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

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR OPEN IN CAN MAIN BUS LINES 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1109434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      I231-28 (CA1H) - I231-27 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal Below 70 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  83

    Result: 

    OK 

    See step  2

  2. CHECK FOR SHORT IN CAN BUS LINES 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1109434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Central Gateway ECU (Network Gateway ECU))

      Standard Resistance

      Tester Connection Condition Specified Condition
      I231-28 (CA1H) - I231-27 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal 54 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  57

    Result: 

    OK 

    See step  3

  3. CHECK FOR SHORT TO +B IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1115658Courtesy 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
      I231-28 (CA1H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I231-27 (CA1L) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  31

    Result: 

    OK 

    See step  4

  4. CHECK FOR SHORT TO GND IN CAN BUS LINE 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1115657Courtesy 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
      I231-28 (CA1H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I231-27 (CA1L) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  5

  5. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the No. 14 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I266-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  6

  6. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Forward Recognition Camera

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I266-13 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  7

  7. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Intuitive Parking Assist System A
      w/o Intuitive Parking Assist System B

    Result: 

    B 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  8

  8. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I266-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  10

  9. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I231 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I266-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  10. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Disconnect the I24 clearance warning ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      I266-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 

  11. CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the forward recognition camera connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116299Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Forward Recognition Camera)      		 *b to No. 14 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      T32-2 (CA2P) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      T32-1 (CA2L) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  12

  12. CHECK FOR SHORT TO GND IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1119125Courtesy 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
      T32-10 (CA1P) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      T32-9 (CA1N) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  13

  13. CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA) 
    1. Disconnect the millimeter wave radar sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110177Courtesy 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
      A174-10 (CA3H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A174-9 (CA3L) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  14

  14. CHECK FOR SHORT TO GND IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1110178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Millimeter Wave Radar Sensor Assembly)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A174-4 (CA2H) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      A174-3 (CA2L) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  15

  15. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Disconnect the No. 17 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1111634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Millimeter Wave Radar Sensor Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-8 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 

    Result: 

    OK 

    See step  16

  16. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Parking Assist Monitor System A
      w/o Parking Assist Monitor System B

    Result: 

    B 

    See step  26

    Result: 

    A 

    See step  17

  17. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 18 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1111631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 18 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  21

    Result: 

    OK 

    See step  18

  18. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  19

  19. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  20

  20. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  21. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 18 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116634Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-3 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      U47-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  22

  22. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      U47-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  23

  23. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      U47-13 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 18 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  25

  24. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the U48 rear television camera assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      U47-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY 

    Refer to REMOVAL [09/2021 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 

  25. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      U47-13 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  26. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  28

    Result: 

    A 

    See step  27

  27. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1111854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  29

    Result: 

    OK 

    See step  28

  28. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1111621Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  30

  29. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1111854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-12 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  30. CHECK FOR SHORT TO GND IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1111621Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-4 (CG) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher
      O228-14 (CANL) - I26-4 (CG)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  31. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the No. 14 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1119193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I266-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  35

    Result: 

    OK 

    See step  32

  32. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Forward Recognition Camera

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I266-13 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  37

    Result: 

    OK 

    See step  33

  33. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Intuitive Parking Assist System A
      w/o Intuitive Parking Assist System B

    Result: 

    B 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  34

  34. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I266-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  36

  35. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I231 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1119193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I266-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  36. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Disconnect the I24 clearance warning ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      I266-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 

  37. CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the forward recognition camera connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Forward Recognition Camera)      		 *b to No. 14 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      T32-2 (CA2P) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      T32-1 (CA2L) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  38

  38. CHECK FOR SHORT TO +B IN CAN BUS LINE (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116300Courtesy 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
      T32-10 (CA1P) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      T32-9 (CA1N) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  39

  39. CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA) 
    1. Disconnect the millimeter wave radar sensor assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1110166Courtesy 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
      A174-10 (CA3H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A174-9 (CA3L) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  40

  40. CHECK FOR SHORT TO +B IN CAN BUS LINE (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1110167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to Millimeter Wave Radar Sensor Assembly)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A174-4 (CA2H) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      A174-3 (CA2L) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  41

  41. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Disconnect the No. 17 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1111632Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-8 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 

    Result: 

    OK 

    See step  42

  42. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Parking Assist Monitor System A
      w/o Parking Assist Monitor System B

    Result: 

    B 

    See step  52

    Result: 

    A 

    See step  43

  43. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 18 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1111633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 18 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  47

    Result: 

    OK 

    See step  44

  44. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  45

  45. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  46

  46. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  47. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Disconnect the No. 18 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-3 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      U47-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINE OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  48

  48. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1119192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      U47-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  50

    Result: 

    OK 

    See step  49

  49. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      U47-13 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 18 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  51

  50. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the U48 rear television camera assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1119192Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      U47-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY 

    Refer to REMOVAL [09/2021 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 

  51. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1116620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      U47-13 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  52. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  54

    Result: 

    A 

    See step  53

  53. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1111869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  55

    Result: 

    OK 

    See step  54

  54. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  56

  55. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1111869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-12 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  56. CHECK FOR SHORT TO +B IN CAN BUS LINE (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 DLC3 - -
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - I26-16 (BAT) Cable disconnected from negative (-) auxiliary battery terminal 6 kΩ or higher
      O228-14 (CANL) - I26-16 (BAT)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  57. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the No. 14 global CAN junction connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I266-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  61

    Result: 

    OK 

    See step  58

  58. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Forward Recognition Camera

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-2 (CANH) - I266-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  63

    Result: 

    OK 

    See step  59

  59. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Intuitive Parking Assist System A
      w/o Intuitive Parking Assist System B

    Result: 

    B 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  60

  60. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I266-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  62

  61. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the I231 central gateway ECU (network gateway ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I266-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

  62. CHECK FOR SHORT IN CAN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 
    1. Disconnect the I24 clearance warning ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Clearance Warning ECU Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-1 (CANH) - I266-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY) 

  63. CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the I266 No. 14 global CAN junction connector.
    2. Disconnect the forward recognition camera connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1114907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Forward Recognition Camera)      		 *b to No. 14 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      T32-2 (CA2P) - T32-1 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  64

  64. CHECK FOR SHORT IN CAN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1114910Courtesy 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
      T32-10 (CA1P) - T32-9 (CA1N) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  65

  65. CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA) 
    1. Reconnect the T32 forward recognition camera connector.
    2. Disconnect the millimeter wave radar sensor assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1116510Courtesy 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
      A174-10 (CA3H) - A174-9 (CA3L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  66

  66. CHECK FOR SHORT IN CAN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Millimeter Wave Radar Sensor Assembly)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A174-4 (CA2H) - A174-3 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  67

  67. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Reconnect the A174 millimeter wave radar sensor assembly connector.
    2. Disconnect the No. 17 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Millimeter Wave Radar Sensor Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-1 (CANH) - O228-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 

    Result: 

    OK 

    See step  68

  68. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Parking Assist Monitor System A
      w/o Parking Assist Monitor System B

    Result: 

    B 

    See step  78

    Result: 

    A 

    See step  69

  69. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 18 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 18 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - O228-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  73

    Result: 

    OK 

    See step  70

  70. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    A 

    See step  71

  71. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - O228-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  72

  72. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113777Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - O228-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  73. CHECK FOR SHORT IN CAN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the O228 No. 17 global CAN junction connector.
    2. Disconnect the No. 18 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-3 (CANH) - U47-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  74

  74. CHECK FOR SHORT IN CAN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1118452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - U47-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  76

    Result: 

    OK 

    See step  75

  75. CHECK FOR SHORT IN CAN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - U47-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 18 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  77

  76. CHECK FOR SHORT IN CAN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the U48 rear television camera assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1118452Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to Rear Television Camera Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-1 (CANH) - U47-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY 

    Refer to REMOVAL [09/2021 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - REAR TELEVISION CAERA ASSEMBLY) 

  77. CHECK FOR SHORT IN CAN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - U47-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  78. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

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

    Result: 

    B 

    See step  80

    Result: 

    A 

    See step  79

  79. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - O228-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 200 Ω or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  81

    Result: 

    OK 

    See step  80

  80. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - O228-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  82

  81. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 
    1. Disconnect the S12 blind spot monitor sensor LH (B) connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Blind Spot Monitor Sensor LH (B)

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-5 (CANH) - O228-12 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BLIND SPOT MONITOR SENSOR LH (B) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH (B)) 

  82. CHECK FOR SHORT IN CAN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Disconnect the O224 No. 2 CAN junction terminal connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY1113731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - O228-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 1 MΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 

  83. CHECK FOR OPEN IN CAN MAIN BUS LINES (CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Disconnect the central gateway ECU (network gateway ECU) connector.
      GTY1115359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected (Central Gateway ECU (Network Gateway ECU))
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I231-28 (CA1H) - I231-27 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  84

  84. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 
    1. Reconnect the I231 central gateway ECU (network gateway ECU) connector.
    2. Disconnect the No. 14 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Central Gateway ECU (Network Gateway ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-3 (CANH) - I266-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)) 

    Result: 

    OK 

    See step  85

  85. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 14 GLOBAL CAN JUNCTION CONNECTOR - FORWARD RECOGNITION CAMERA) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 14 Global CAN Junction Connector)      		 *b to Forward Recognition Camera

      Standard Resistance

      Tester Connection Condition Specified Condition
      I266-2 (CANH) - I266-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 14 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  86

  86. CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the I266 No. 14 global CAN junction connector.
    2. Disconnect the forward recognition camera connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1114907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Forward Recognition Camera)      		 *b to No. 14 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      T32-2 (CA2P) - T32-1 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (FORWARD RECOGNITION CAMERA - NO. 14 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  87

  87. CHECK FOR OPEN IN CAN MAIN BUS LINES (FORWARD RECOGNITION CAMERA - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1114910Courtesy 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
      T32-10 (CA1P) - T32-9 (CA1N) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  88

  88. CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - FORWARD RECOGNITION CAMERA) 
    1. Reconnect the T32 forward recognition camera connector.
    2. Disconnect the millimeter wave radar sensor assembly connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1116510Courtesy 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
      A174-10 (CA3H) - A174-9 (CA3L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  89

  89. CHECK FOR OPEN IN CAN MAIN BUS LINES (MILLIMETER WAVE RADAR SENSOR ASSEMBLY - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1116509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Millimeter Wave Radar Sensor Assembly)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      A174-4 (CA2H) - A174-3 (CA2L) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2022 - ]

    Result: 

    NG 

    See step  90

  90. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 
    1. Reconnect the A174 millimeter wave radar sensor assembly connector.
    2. Disconnect the No. 17 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to Millimeter Wave Radar Sensor Assembly

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-1 (CANH) - O228-8 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - MILLIMETER WAVE RADAR SENSOR ASSEMBLY) 

    Result: 

    OK 

    See step  91

  91. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 17 GLOBAL CAN JUNCTION CONNECTOR - NO. 18 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 17 Global CAN Junction Connector)      		 *b to No. 18 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      O228-7 (CANH) - O228-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 17 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  92

  92. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Parking Assist Monitor System A
      w/o Parking Assist Monitor System B

    Result: 

    B 

    See step  96

    Result: 

    A 

    See step  93

  93. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 
    1. Reconnect the O228 No. 17 global CAN junction connector.
    2. Disconnect the No. 18 global CAN junction connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1113067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 17 Global CAN Junction Connector

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-3 (CANH) - U47-14 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 

    Result: 

    OK 

    See step  94

  94. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 18 GLOBAL CAN JUNCTION CONNECTOR - NO. 2 CAN JUNCTION TERMINAL) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1113060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to No. 18 Global CAN Junction Connector)      		 *b to No. 2 CAN Junction Terminal

      Standard Resistance

      Tester Connection Condition Specified Condition
      U47-2 (CANH) - U47-13 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 18 GLOBAL CAN JUNCTION CONNECTOR 

    Result: 

    NG 

    See step  95

  95. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 2 CAN JUNCTION TERMINAL) 
    1. Reconnect the U47 No. 18 global CAN junction connector.
    2. Disconnect the No. 2 CAN junction terminal connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1115612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 2 CAN Junction Terminal)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      O224-3 (CANH) - O224-2 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 2 CAN JUNCTION TERMINAL - NO. 18 GLOBAL CAN JUNCTION CONNECTOR) 

  96. CHECK FOR OPEN IN CAN MAIN BUS LINES (NO. 2 CAN JUNCTION TERMINAL) 
    1. Reconnect the O228 No. 17 global CAN junction connector.
    2. Disconnect the No. 2 CAN junction terminal connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY1115614Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to No. 2 CAN Junction Terminal)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      O224-3 (CANH) - O224-2 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 108 to 132 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE NO. 2 CAN JUNCTION TERMINAL 

    Result: 

    NG 

    REPAIR OR REPLACE CAN MAIN BUS LINES OR CONNECTOR (NO. 2 CAN JUNCTION TERMINAL - NO. 17 GLOBAL CAN JUNCTION CONNECTOR) 

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