DTC C168F-11: Side Camera (Left) Circuit Short to Ground [10/2022 - ]: Procedure

Pre-procedure1

1. Disconnect the H128 parking assist ECU connector.
2. Disconnect the J34 outer rear view mirror assembly LH connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H128-1 (CB+) - J34-2 (CB+)	Always	Below 1 Ω
   H128-2 (CGND) - J34-1 (CGND)	Always	Below 1 Ω
   H128-1 (CB+) or J34-2 (CB+) - Body ground	Always	10 kΩ or higher
   H128-2 (CGND) or J34-1 (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 outer rear view mirror assembly LH connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J34-1 (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
   J34-2 (CB+) - J34-1 (CGND)	Ignition switch ON	7.5 to 8.5 V

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

Result: 

NG 

REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  3

Pre-procedure1

1. Disconnect the side television camera assembly LH connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Side Television Camera Assembly LH)
   *b	Component without harness connected (Outer rear view mirror assembly LH)

2. Disconnect the outer rear view mirror assembly LH connector.

   Procedure1

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 (CB+) - A-4 (GB+)	Always	Below 1 Ω
   1 (CGND) - A-2 (CGND)	Always	Below 1 Ω
   2 (CB+) or A-4 (GB+) - Body ground	Always	10 kΩ or higher
   1 (CGND) or A-2 (CGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

Result: 

NG 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [12/2019 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

Result: 

OK 

See step  4

HINT: 

Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]

Result

Result: 

NEXT 

See step  5

1. Clear the DTCs.

   Chassis > Circumference Monitoring Camera Control Module > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Check for DTCs.

   Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

   Result

   Result	Proceed to
   C168F-11 is not output	A
   C168F-11 is output	B

Result: 

A 

END (SIDE TELEVISION CAMERA ASSEMBLY LH WAS DEFECTIVE) 

Result: 

B 

REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ]