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 AUX SOUND SIGNAL CIRCUIT CONTINUITY
- Turn ignition OFF.
- Disconnect AV control unit connector M42 and front auxiliary input jacks connector.
- Check continuity between AV control unit connector M42 and front auxiliary input jacks connector M205.
AV control unit Front auxiliary input jacks Continuity Connector Terminal Connector Terminal M42 20 M205 1 Yes 21 3 - Check continuity between AV control unit connector M42 and ground.
AV control unit Ground Continuity Connector Terminal M42 20 - No 21
Is inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness or connectors.
- CHECK AUX SOUND SIGNAL GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M42 and front auxiliary input jacks connector M205.
AV control unit Front auxiliary input jacks Continuity Connector Terminal Connector Terminal M42 22 M205 2 Yes Is inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK AUX SOUND SIGNAL
- Connect AV control unit connector M42 and front auxiliary input jacks connector.
- Turn ignition switch to ACC.
- Select AUX mode.
- Check signal between terminals of AV control unit connector M42.
AV control unit connector M42 Condition Reference value (+) (-) Terminal Terminal 20 22 AUX mode selected 21
Is the inspection result normal?
YES
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace front auxiliary input jacks. Refer to REMOVAL AND INSTALLATION .