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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Panoramic View Monitor System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model) >> DTC C1684: Side Camera Current Malfunction [06/2018 - 09/2022] >> Procedure

DTC C1684: Side Camera Current Malfunction [06/2018 - 09/2022]: Procedure

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  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Clear DTCs 

    2. Check for DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

      OK

      DTC C1684 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    NG 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR ASSEMBLY RH) 
    1. Disconnect the N43 parking assist ECU connector.
    2. Disconnect the J12 outer rear view mirror assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N43-40 (RCB+) - J12-2 (RCB+) Always Below 1 Ω
      N43-17 (RGND) - J12-1 (RGND) Always Below 1 Ω
      N43-40 (RCB+) or J12-2 (RCB+) - Body ground Always 10 kΩ or higher
      N43-17(RGND) or J12-1 (RGND) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK PARKING ASSIST ECU (RCB+, RGND) 
    1. Remove the parking assist ECU with the connector still connected.
      GTY813476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Parking Assist ECU)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N43-17 (RGND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      N43-40 (RCB+) - N43-17 (RGND) Engine switch on (IG) 5.5 to 7.05 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [06/2018 - 09/2022] 

    Result: 

    OK 

    See step  4

  4. REPLACE SIDE TELEVISION CAMERA ASSEMBLY RH 
    1. Replace the side television camera assembly RH with a new or normally functioning one.

      Refer to REMOVAL [06/2018 - 09/2022]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK FOR DTC 
    1. Clear the DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Clear DTCs 

    2. Check for DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

      OK

      DTCs C1684 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (SIDE TELEVISION CAMERA ASSEMBLY RH IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [06/2018 - 09/2022] 

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