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 RGB (G: GREEN) SIGNAL CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect AV control unit connector M194 and display unit connector.
- Check continuity between AV control unit connector M194 terminal 56 and display unit connector M93 terminal 6.
AV control unit Display unit Continuity Connector Terminal Connector Terminal M194 56 M93 6 Yes - Check continuity between AV control unit connector M194 terminal 56 and ground.
AV control unit Ground Continuity Connector Terminal M194 56 No
Is inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness or connectors.
- CHECK RGB (G: GREEN) SIGNAL
- Connect AV control unit connector M194 and display unit connector.
- Turn ignition switch ON.
- Check signal between display unit connector M93 terminal 6 and ground.
Display unit Ground Condition Reference value (+) (-) Connector Terminal M93 6 - "Color Spectrum Bar" on DISPLAY DIAGNOSIS screen.
Is inspection result normal?
YES
Replace display unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .