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 MICROPHONE SIGNAL CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect AV control unit connector M97 and microphone connector R8.
- Check continuity between AV control unit connector M97 and microphone connector R8.
AV control unit Microphone Continuity Connector Terminal Connector Terminal M97 41 R8 2 Yes 42 4 43 1 - Check continuity between AV control unit connector M97 and ground.
AV control unit Ground Continuity Connector Terminal M97 41 - No 42 43 Is inspection result normal?
YES: GO TO 2.
NO: Repair or replace harness or connectors.
- CHECK MICROPHONE VCC VOLTAGE
- Connect AV control unit connector M97.
- Turn ignition switch ON.
- Check voltage between terminals of AV control unit connector M97.
AV control unit connector M97 Voltage (Approx.) (+) (-) Terminal Terminal 42 41 5.0 V Is the inspection result normal?
YES: GO TO 3.
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".
- CHECK MICROPHONE SIGNAL
- Connect microphone connector.
- Check signal between terminals of AV control unit connector M97.
AV control unit connector M97 Condition Reference value (+) (-) Terminal Terminal 43 41 Speak into microphone. Is the inspection result normal?
YES: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace microphone. Refer to "REMOVAL AND INSTALLATION ".