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 HORIZONTAL SYNCHRONIZING (HP) 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 62 and display unit connector M93 terminal 8.
AV control unit Display unit Continuity Connector Terminal Connector Terminal M45 62 M93 8 Yes - Check continuity between AV control unit connector M45 terminal 62 and ground.
AV control unit Ground Continuity Connector Terminal M45 62 No
Is inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness or connectors.
- CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
- Connect AV control unit connector M45 and display unit connector.
- Turn ignition switch ON.
- Check signal between display unit connector M93 terminal 8 and ground.
Display unit Ground Reference value (+) (-) Connector Terminal M93 8 -
Is inspection result normal?
YES
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace display unit. Refer to REMOVAL AND INSTALLATION .