Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK COMPOSITE IMAGE SIGNAL CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect AV control unit connector M45 and display unit connector.
- Check continuity between AV control unit connector M45 terminal 53 and display unit connector M93 terminal 15.
AV control unit Display unit Continuity Connector Terminal Connector Terminal M45 53 M93 15 Yes - Check continuity between AV control unit connector M45 terminal 53 and ground.
AV control unit Ground Continuity Connector Terminal M45 53 No
Is inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness or connectors.
- CHECK COMPOSITE IMAGE SIGNAL GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M45 terminal 54 and display unit connector M93 terminal 4.
AV control unit Display unit Continuity Connector Terminal Connector Terminal M45 54 M93 4 Yes Is inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK COMPOSITE IMAGE SIGNAL
- Connect AV control unit connector M45 and display unit connector.
- Turn ignition switch ON.
- Check signal between display unit connector M93 terminal 15 and ground.
AV control unit Ground Condition Reference value (+) (-) Connector Terminal M45 53 - Camera image displayed.
Is inspection result normal?
YES
Replace display unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .