DTC C1622-87: Rear Camera Image Signal Missing Message [10/2022 - ]: Procedure

1. Check if the parking assist monitor system is malfunctioning.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]

   Result

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

Result: 

B 

GO TO PARKING ASSIST MONITOR SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

A 

See step  2

1. Disconnect the L236 rear television camera assembly connector.
2. Disconnect the G196 multi-display connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L236-2 (CB+) - G196-2 (GB+)	Always	Below 1 Ω
   L236-4 (CV+) - G196-4 (GVO+)	Always	Below 1 Ω
   L236-3 (CV-) - G196-3 (GVO-)	Always	Below 1 Ω
   L236-5 (SGND) - G196-1 (GGND)	Always	Below 1 Ω
   L236-2 (CB+) or G196-2 (GB+) - Body ground	Always	10 kΩ or higher
   L236-4 (CV+) or G196-4 (GVO+) - Body ground	Always	10 kΩ or higher
   L236-3 (CV-) or G196-3 (GVO-) - Body ground	Always	10 kΩ or higher
   L236-5 (SGND) or G196-1 (GGND) - 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

1. Replace the multi-display with a new or known good one.

   Refer to REMOVAL [10/2022 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check for DTCs and proceed to the following step.

   Body Electrical > Navigation System > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTC C1622-87 is output	B

Result: 

A 

END (MULTI-DISPLAY IS DEFECTIVE) 

Result: 

B 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2022 - ]