Diagnosis Procedure
WARNING: This page is about a different car, the 2021 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT FOR OPEN
- Ignition switch OFF.
- Disconnect AV control unit harness connector and around view monitor control unit harness connector.
- Check continuity between AV control unit harness connector and around view monitor control unit harness connector.
AV control unit
Around view monitor control unit
Continuity
Connector
Terminal
Connector
Terminal
M139
52
M173
47
Yes
53
48
Is the inspection result normal?
YES
GO TO 2.
NO
Repair harness or connector.
- CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT FOR SHORT
Check continuity between AV control unit harness connector and ground.
AV control unit
Ground
Continuity
Connector
Terminal
M139
52
No
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connector.
- CHECK CAMERA IMAGE SIGNAL
- Connect AV control unit harness connector and around view monitor control unit harness connector.
- Ignition switch ON.
- Check signal between AV control unit harness connector and ground.
(+)
(-)
Condition
Reference value
AV control unit
Connector
Terminal
M139
52
Ground
"CAMERA" switch is ON or shift position is "R".
Is the inspection result normal?
YES
Replace AV control unit. Refer to Removal and Installation .
NO
Replace around view monitor control unit. Refer to Removal and Installation .