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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 119 (Can Communication System (HV) - Circuit Tests (2 Of 9)) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Rear Television Camera Communication Stop Mode [12/2019 - 10/2022] >> Procedure

Rear Television Camera Communication Stop Mode [12/2019 - 10/2022]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OPEN IN CAN BUS LINES (REAR TELEVISION CAMERA ASSEMBLY BRANCH LINE) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the W15 rear television camera assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W15-4 (CANH) - W15-1 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      GTY867949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Rear Television Camera Assembly)

      Result

      Result 
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  2

  2. CHECK VEHICLE TYPE 
    1. Check vehicle type.

      Result

      Result Proceed to
      w/ Parking Assist Monitor System A
      w/ Panoramic View Monitor System B

    Result: 

    B 

    See step  5

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W15-5 (CGND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      GTY867950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Rear Television Camera Assembly)
    2. Reconnect the cable to the negative (-) auxiliary battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      W15-6 (CB+) - Body ground Ignition switch ACC 5.5 to 7.05 V

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY) 

    Refer to DTC C1622: Back Camera Disconnected [12/2019 - 10/2022]

    Result

    Result 
    OK
    NG

    Result: 

    OK 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

    Refer to REMOVAL [12/2019 - 10/2022]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

  5. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W15-5 (CGND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      GTY867950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Rear Television Camera Assembly)
    2. Reconnect the cable to the negative (-) auxiliary battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      W15-6 (CB+) - Body ground Ignition switch ON 5.5 to 7.05 V

      Result

      Result 
      OK
      NG

    Result: 

    OK 

    REPLACE REAR TELEVISION CAMERA ASSEMBLY 

    Refer to REMOVAL [12/2019 - 11/2023]

    Result: 

    NG 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (REAR TELEVISION CAMERA ASSEMBLY - PARKING ASSIST ECU) 

    Refer to DTC C1622: Open or Short Circuit in Back Camera Signal [12/2019 - 10/2022]

    Result

    Result 
    OK
    NG

    Result: 

    OK 

    REPLACE PARKING ASSIST ECU 

    Refer to REMOVAL [12/2019 - 10/2022]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

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