DTC C1620-11: Rear Camera Circuit Short to Ground [10/2022 - ]: Procedure

Pre-procedure1

1. Disconnect the N80 parking assist ECU connector.
2. Disconnect the R31 rear television camera assembly connector.

   Procedure1

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N80-1 (CB+) - R31-2 (CB+)	Always	Below 1 Ω
   N80-2 (CGND) - R31-1 (CGND)	Always	Below 1 Ω
   N80-1 (CB+) or R31-2 (CB+) - Body ground	Always	10 kΩ or higher
   N80-2 (CGND) or R31-1 (CGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

Pre-procedure1

1. Disconnect the R31 rear television camera assembly.

   Procedure1

2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   R31-1 (CGND) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   R31-2 (CB+) - R31-1 (CGND)	Ignition switch ON	7.5 to 8.5 V
   R31-2 (CB+) - R31-1 (CGND)	Ignition switch off	Below 1 V

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

Result: 

OK 

REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [11/2018 - ] 

Result: 

NG 

REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [10/2022 - ]