Check Bus 1 Line [09/2022 - 11/2022]: Procedure

WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR OPEN IN CAN MAIN BUS LINES

Disconnect the cable from the negative (-) battery terminal.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

Standard Resistance

Tester Connection	Condition	Specified Condition
I173-28 (CA1H) - I173-27 (CA1L)	Cable disconnected from negative (-) battery terminal	Below 70 Ω

Result

Result
OK
NG

Result:

See step 107

Result:

See step 2

CHECK FOR SHORT IN CAN BUS LINES

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))

Standard Resistance

Tester Connection	Condition	Specified Condition
I173-28 (CA1H) - I173-27 (CA1L)	Cable disconnected from negative (-) battery terminal	54 Ω or higher

Result

Result
OK
NG

Result:

See step 73

Result:

See step 3

CHECK FOR SHORT TO +B IN CAN BUS LINE

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))	-	-

Standard Resistance

Tester Connection	Condition	Specified Condition
I173-28 (CA1H) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I173-27 (CA1L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 39

Result:

See step 4

CHECK FOR SHORT TO GND IN CAN BUS LINE

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Component with harness connected (Central Gateway ECU (Network Gateway ECU))	-	-

Standard Resistance

Tester Connection	Condition	Specified Condition
I173-28 (CA1H) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I173-27 (CA1L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 5

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
except G16E-GTS	A
for G16E-GTS	B

Result:

See step 26

Result:

See step 6

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 8

Result:

See step 7

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-2 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-6 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 9

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
T21-1 (CA2L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 10

CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
T21-9 (CA1N) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 11

CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
A128-9 (CA3L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 12

CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
A128-3 (CA2L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 13

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
for Hatchback	A
for Sedan	B

Result:

See step 20

Result:

See step 14

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-5 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 15

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 17

Result:

See step 16

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 18

Result:

See step 17

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-6 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 19

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-6 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O203 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-1 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O203-5 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 21

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 23

Result:

See step 22

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O203-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 24

Result:

See step 23

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O203-6 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 25

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O203-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O203-6 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-8 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 28

Result:

See step 27

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-1 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-5 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 29

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
I192-8 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
T21-1 (CA2L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 30

CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
T21-9 (CA1N) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 31

CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
A128-9 (CA3L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 32

CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
A128-3 (CA2L) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 33

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-4 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-8 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 34

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 36

Result:

See step 35

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 37

Result:

See step 36

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-5 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 38

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-7 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher
O179-5 (CANL) - I26-4 (CG)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
except G16E-GTS	A
for G16E-GTS	B

Result:

See step 60

Result:

See step 40

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 42

Result:

See step 41

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-2 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-6 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 43

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
T21-1 (CA2L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 44

CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
T21-9 (CA1N) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 45

CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
A128-9 (CA3L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 46

CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
A128-3 (CA2L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 47

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
for Hatchback	A
for Sedan	B

Result:

See step 54

Result:

See step 48

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-5 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 49

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 51

Result:

See step 50

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 52

Result:

See step 51

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-6 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 53

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-6 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O203 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-1 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O203-5 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 55

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 57

Result:

See step 56

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O203-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 58

Result:

See step 57

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O203-6 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 59

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O203-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O203-6 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-8 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 62

Result:

See step 61

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-1 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-5 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 63

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 18 CAN Junction Connector)	*b	to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
I192-8 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
T21-1 (CA2L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 64

CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Forward Recognition Camera)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
T21-9 (CA1N) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 65

CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
A128-9 (CA3L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 66

CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)	*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
A128-3 (CA2L) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 67

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-4 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-8 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 68

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 70

Result:

See step 69

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

See step 71

Result:

See step 70

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-5 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 72

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-7 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*1	DLC3	-	-
*a	Front view of wire harness connector (to No. 19 CAN Junction Connector)	*b	to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher
O179-5 (CANL) - I26-16 (BAT)	Cable disconnected from negative (-) battery terminal	6 kΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
except G16E-GTS	A
for G16E-GTS	B

Result:

See step 94

Result:

See step 74

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I192-7 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

See step 76

Result:

See step 75

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-2 (CANH) - I192-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 77

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I192-7 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Reconnect the I192 No. 18 CAN junction connector.
Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - T21-1 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 78

CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - T21-9 (CA1N)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 79

CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Reconnect the T21 forward recognition camera connector.
Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - A128-9 (CA3L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 80

CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - A128-3 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 81

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
for Hatchback	A
for Sedan	B

Result:

See step 88

Result:

See step 82

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - O179-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 83

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 85

Result:

See step 84

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - O179-7 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 86

Result:

See step 85

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - O179-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 87

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - O179-7 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - O179-6 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O203 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-1 (CANH) - O203-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 89

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 91

Result:

See step 90

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - O203-7 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 92

Result:

See step 91

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - O203-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 93

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-3 (CANH) - O203-7 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - O203-6 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I192-8 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

See step 96

Result:

See step 95

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-1 (CANH) - I192-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 97

CHECK FOR SHORT IN CAN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I192-8 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Reconnect the I192 No. 18 CAN junction connector.
Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - T21-1 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 98

CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - T21-9 (CA1N)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 99

CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Reconnect the T21 forward recognition camera connector.
Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - A128-9 (CA3L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 100

CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - A128-3 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 101

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-4 (CANH) - O179-8 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 102

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/ Blind Spot Monitor System	A
w/o Blind Spot Monitor System	B

Result:

See step 104

Result:

See step 103

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - O179-7 (CANL)	Cable disconnected from negative (-) battery terminal	200 Ω or higher

Result

Result
OK
NG

Result:

See step 105

Result:

See step 104

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - O179-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 106

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

Disconnect the O57 blind spot monitor sensor LH (B) connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Blind Spot Monitor Sensor LH (B)

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-3 (CANH) - O179-7 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE BLIND SPOT MONITOR SENSOR LH (B)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B))

CHECK FOR SHORT IN CAN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - O179-5 (CANL)	Cable disconnected from negative (-) battery terminal	1 MΩ or higher

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Disconnect the I173 central gateway ECU (network gateway ECU) connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Central Gateway ECU (Network Gateway ECU))

Standard Resistance

Tester Connection	Condition	Specified Condition
I173-28 (CA1H) - I173-27 (CA1L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 108

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
except G16E-GTS	A
for G16E-GTS	B

Result:

See step 122

Result:

See step 109

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Reconnect the I173 central gateway ECU (network gateway ECU) connector.
Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-3 (CANH) - I192-7 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Result:

See step 110

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-2 (CANH) - I192-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 111

CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Reconnect the I192 No. 18 CAN junction connector.
Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - T21-1 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 112

CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - T21-9 (CA1N)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 113

CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Reconnect the T21 forward recognition camera connector.
Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - A128-9 (CA3L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 114

CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - A128-3 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 115

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
for Hatchback	A
for Sedan	B

Result:

See step 119

Result:

See step 116

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - O179-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 117

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-2 (CANH) - O179-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 118

CHECK FOR OPEN IN CAN MAIN BUS LINES (CAN JUNCTION TERMINAL)

Reconnect the O179 No. 19 CAN junction connector.
Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to CAN Junction Terminal)

to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
O95-3 (CANH) - O95-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CAN JUNCTION TERMINAL - NO. 19 CAN JUNCTION CONNECTOR)

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O203 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-1 (CANH) - O203-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 120

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O203-2 (CANH) - O203-6 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 121

CHECK FOR OPEN IN CAN MAIN BUS LINES (CAN JUNCTION TERMINAL)

Reconnect the O203 No. 19 CAN junction connector.
Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to CAN Junction Terminal)

to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
O95-3 (CANH) - O95-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CAN JUNCTION TERMINAL - NO. 19 CAN JUNCTION CONNECTOR)

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Reconnect the I173 central gateway ECU (network gateway ECU) connector.
Disconnect the I192 No. 18 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Central Gateway ECU (Network Gateway ECU)

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-4 (CANH) - I192-8 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU))

Result:

See step 123

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 18 CAN Junction Connector)

to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
I192-1 (CANH) - I192-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 18 CAN JUNCTION CONNECTOR

Result:

See step 124

CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Reconnect the I192 No. 18 CAN junction connector.
Disconnect the T21 forward recognition camera connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to No. 18 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-2 (CA2P) - T21-1 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 18 CAN JUNCTION CONNECTOR)

Result:

See step 125

CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Forward Recognition Camera)
*b	to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
T21-10 (CA1P) - T21-9 (CA1N)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE FORWARD RECOGNITION CAMERA

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 126

CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Reconnect the T21 forward recognition camera connector.
Disconnect the A128 millimeter wave radar sensor assembly connector.

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to Forward Recognition Camera

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-10 (CA3H) - A128-9 (CA3L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA)

Result:

See step 127

CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 19 CAN JUNCTION CONNECTOR)

Measure the resistance according to the value(s) in the table below.

*a	Front view of wire harness connector (to Millimeter Wave Radar Sensor Assembly)
*b	to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
A128-4 (CA2H) - A128-3 (CA2L)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Refer to REMOVAL [09/2022 - 11/2022]

Result:

See step 128

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Reconnect the A128 millimeter wave radar sensor assembly connector.
Disconnect the O179 No. 19 CAN junction connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to Millimeter Wave Radar Sensor Assembly

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-4 (CANH) - O179-8 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 19 CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY)

Result:

See step 129

CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 19 CAN JUNCTION CONNECTOR - CAN JUNCTION TERMINAL)

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to No. 19 CAN Junction Connector)

to CAN Junction Terminal

Standard Resistance

Tester Connection	Condition	Specified Condition
O179-1 (CANH) - O179-5 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE NO. 19 CAN JUNCTION CONNECTOR

Result:

See step 130

CHECK FOR OPEN IN CAN MAIN BUS LINES (CAN JUNCTION TERMINAL)

Reconnect the O179 No. 19 CAN junction connector.
Disconnect the O95 CAN junction terminal connector.

Measure the resistance according to the value(s) in the table below.

Front view of wire harness connector
(to CAN Junction Terminal)

to No. 19 CAN Junction Connector

Standard Resistance

Tester Connection	Condition	Specified Condition
O95-3 (CANH) - O95-2 (CANL)	Cable disconnected from negative (-) battery terminal	108 to 132 Ω

Result

Result
OK
NG

Result:

REPLACE CAN JUNCTION TERMINAL

Result:

REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (CAN JUNCTION TERMINAL - NO. 19 CAN JUNCTION CONNECTOR)