DTC C1622-87: Rear Camera Image Signal Missing Message [12/2023 - ]: Procedure

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

   HINT: 

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2023 - ]

   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 [12/2023 - ] 

Result: 

A 

See step  2

Pre-procedure1

• Disconnect the D189 radio and display receiver assembly connector.
• Disconnect the K14 rear television camera assembly connector.

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

  Standard Resistance

  Tester Connection	Condition	Specified Condition	Result
  D189-2 (GB+) - K14-4 (CB+)	Always	Below 1 Ω	Ω
  D189-3 (GVO+) - K14-6 (CV+)	Always	Below 1 Ω	Ω
  D189-4 (GVO-) - K14-5 (CV-)	Always	Below 1 Ω	Ω
  D189-1 (GGND) - K14-3 (CGND)	Always	Below 1 Ω	Ω
  D189-5 (GVG1) - K14-7 (SGND)	Always	Below 1 Ω	Ω
  D189-2 (GB+) - Body ground	Always	10 kΩ or higher	kΩ
  D189-3 (GVO+) - Body ground	Always	10 kΩ or higher	kΩ
  D189-4 (GVO-) - Body ground	Always	10 kΩ or higher	kΩ
  D189-1 (GGND) - Body ground	Always	10 kΩ or higher	kΩ
  D189-5 (GVG1) - Body ground	Always	10 kΩ or higher	kΩ

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR