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

Pre-procedure1

1. Disconnect the G148 radio and display receiver assembly 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
   R31-6 (CV+) - G148-3 (GVO+)	Always	Below 1 Ω
   R31-5 (CV-) - G148-4 (GVO-)	Always	Below 1 Ω
   R31-7 (SGND) - G148-5 (GVG1)	Always	Below 1 Ω
   R31-4 (GB+) - G148-2 (GB+)	Always	Below 1 Ω
   R31-3 (GGND) - G148-1 (GGND)	Always	Below 1 Ω
   R31-6 (CV+) - Body ground	Always	10 kΩ or higher
   R31-5 (CV-) - Body ground	Always	10 kΩ or higher
   R31-7 (SGND) - Body ground	Always	10 kΩ or higher
   R31-4 (GB+) - Body ground	Always	10 kΩ or higher
   R31-3 (GGND) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

   Post-procedure1

4. None

Result: 

OK 

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

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR