Diagnosis Procedure
WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
- Disconnect combination switch connector M102.
- Check resistance between combination switch connector terminals.
Combination switch connector M102 Condition Resistance (Ω) (Approx.) Terminal Terminal 16 18 Depress VOL DOWN switch. 1 Depress VOL UP switch. 121 Depress "END CALL" switch. 321 15 Depress MODE switch. 1 Depress "UP TRIANGLE" switch. 121 Depress "DOWN TRIANGLE" switch. 321 Depress "PHONE/HANDSFREE" switch. 723 Is the inspection result normal?
YES: GO TO 2.
NO: Replace steering wheel audio control switches. Refer to "REMOVAL AND INSTALLATION ".
- CHECK HARNESS BETWEEN AV CONTROL UNIT AND COMBINATION SWITCH
- Turn ignition switch OFF.
- Disconnect AV control unit connector M96 and combination switch connector M30.
- Check continuity between AV control unit connector M96 and combination switch connector M30.
AV control unit Combination switch Continuity Connector Terminal Connector Terminal M96 6 M30 24 Yes 16 25 15 31 - Check continuity between AV control unit connector M96 and ground.
AV control unit - Continuity Connector Terminal M96 6 Ground No 16 15 Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace harness or connectors.
- SPIRAL CABLE CHECK
Check continuity between combination switch connectors M30 and M102.
Combination switch Continuity Connector Terminal Connector Terminal M30 24 M102 15 Yes 25 16 31 18 Is the inspection result normal?
YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace spiral cable. Refer to "REMOVAL AND INSTALLATION ".