PARKING ASSIST MONITOR SYSTEM(w/ Side Monitor System), Diagnostic DTC:C1691

DTC Code DTC Name
C1691 Back Camera Initialization Incomplete

DESCRIPTION

This DTC is stored when the parking assist ECU judges that the back camera initial setting has not been memorized (rear television camera optical axis adjustment is incomplete).

DTC Code DTC Detection Condition Trouble Area
C1691 Back camera initial setting has not been memorized

  • Rear television camera optical axis adjustment

  • Parking assist ECU

CAUTION / NOTICE / HINT

Note


  • When "System initializing" is displayed on the parking assist ECU after disconnecting the cable from the negative (-) battery terminal, correct the steering angle neutral point Click here.

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed Click here.

PROCEDURE


  1. ADJUST SETTINGS (CAMERA POSITION SETTING)


    1. Perform the following procedure depending on the memory conditions to register the vehicle information into the parking assist ECU.


      1. Refer to rear television camera optical axis adjustment Click here.


    NEXT

  2. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C1691 is not output.

      Tech Tips


      • If DTC C1691 is output, perform the rear television camera assembly optical axis adjustment again.

      • If DTC C1691 is still output after performing the rear television camera assembly optical axis adjustment 3 times, replace the parking assist ECU.

      Result
      Proceed to Result
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    END (ADJUST SETTINGS ARE DEFECTIVE)

    B

    REPLACE PARKING ASSIST ECU Click here

    C

    REPLACE PARKING ASSIST ECU Click here