Rear Television Camera Communication Stop Mode [11/2021 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Lexus NX 350, 2025 Lexus NX 250, 2024 Lexus NX 350, 2024 Lexus NX 250, and 2023 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.

CHECK VEHICLE TYPE

Check vehicle type.

Result

Result	Proceed to
w/o Parking Support Brake System	A
w/ Parking Support Brake System	B

Result:

See step 5

Result:

See step 2

CHECK FOR OPEN IN CAN BUS LINES (REAR TELEVISION CAMERA ASSEMBLY BRANCH LINE)

Disconnect the cable from the negative (-) battery terminal.
Disconnect the P28 rear television camera assembly connector.

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

Standard Resistance

Tester Connection	Condition	Specified Condition
P28-1 (CANH) - P28-2 (CANL)	Cable disconnected from negative (-) battery terminal	54 to 69 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY)

Result:

See step 3

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

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

Standard Resistance

Tester Connection	Condition	Specified Condition
P28-3 (CGND) - Body ground	Cable disconnected from negative (-) battery terminal	Below 1 Ω

Reconnect the cable to the negative (-) battery terminal.

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

Standard Voltage

Tester Connection	Condition	Specified Condition
P28-4 (CB+) - Body ground	Ignition switch ACC	5.5 to 7.05 V

Result

Result
OK
NG

Result:

REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

Result:

See step 4

CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)
Refer to Image from Camera for Parking Assist Monitor is Abnormal [11/2021 - ]

Result

Result

OK

NG

Result:

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [11/2021 - ]

Result:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)

CHECK FOR OPEN IN CAN BUS LINES (REAR TELEVISION CAMERA ASSEMBLY BRANCH LINE)

Disconnect the cable from the negative (-) battery terminal.
Disconnect the P29 rear television camera assembly connector.

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

Standard Resistance

Tester Connection	Condition	Specified Condition
P29-1 (CANH) - P29-2 (CANL)	Cable disconnected from negative (-) battery terminal	54 to 69 Ω

Result

Result
OK
NG

Result:

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY)

Result:

See step 6

CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)

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

Standard Resistance

Tester Connection	Condition	Specified Condition
P29-3 (CGND) - Body ground	Cable disconnected from negative (-) battery terminal	Below 1 Ω

Reconnect the cable to the negative (-) battery terminal.

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

Standard Voltage

Tester Connection	Condition	Specified Condition
P29-4 (CB+) - Body ground	Ignition switch ACC	5.5 to 7.05 V

Result

Result
OK
NG

Result:

REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]

Result:

See step 7

CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)
Refer to Image from Camera for Parking Assist Monitor is Abnormal [11/2021 - ]

Result

Result

OK

NG

Result:

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [11/2021 - ]

Result:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)