LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Panoramic View Monitor System - Diagnostic Codes & Symptom Tests (Hybrid)) >> PANORAMIC VIEW MONITOR SYSTEM (for HV Model) >> DTC C1621: Back Camera Power Supply Failure [04/2018 - ] >> Procedure

DTC C1621: Back Camera Power Supply Failure [04/2018 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - TELEVISION CAMERA ASSEMBLY) 
    1. Disconnect the K36 parking assist ECU connector.
    2. Disconnect the P7 television camera assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K36-9 (CGND) - P7-5 (CGND) Always Below 1 Ω
      K36-9 (CGND) or P7-5 (CGND) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (ACC POWER SUPPLY - BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      P7-6 (CB+) - Body ground Power switch on (ACC) 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR