DTC C1691: Back Camera Initialization Incomplete: Procedure

1. Perform the following procedure depending on the memory conditions to register the vehicle information into the navigation ECU sub-assembly.
   1. Rear television camera optical axis adjustment. Refer to CALIBRATION .

NEXT: Go to next step 

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check for DTCs. Refer to DTC CHECK / CLEAR .

   Result

   Result	Proceed to
   DTC C1691 is output	A
   DTCs are not output	B

   HINT: 

   • 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 navigation ECU sub-assembly.

B → END 

A → See step   3