Nissan Juke Service and Repair Manual : Microphone signal circuit

Description

Power is supplied from NAVI control unit to microphone. The microphone transmits the sound voice to the NAVI control unit.

Diagnosis Procedure

1.CHECK CONTINUITY BETWEEN NAVI CONTROL UNIT AND MICROPHONE CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect NAVI control unit connector and microphone connector.

3. Check continuity between NAVI control unit harness connector and microphone harness connector.

4. Check continuity between NAVI control unit harness connector and ground.


4. Check continuity between NAVI control unit harness connector and ground.

Is inspection result OK?


Is inspection result OK? YES >> GO TO 2.

NO >> Repair harness or connector.

2.CHECK VOLTAGE MICROPHONE VCC

1. Connect NAVI control unit connector.

2. Turn ignition switch ON.

3. Check voltage between NAVI control unit harness connector and ground.

Is inspection result OK?


Is inspection result OK? YES >> GO TO 3.

NO >> Replace NAVI control unit. Refer to AV-84, "Removal and Installation".

3.CHECK MICROPHONE SIGNAL

1. Turn ignition switch OFF.

2. Connect microphone connector.

3. Turn ignition switch ON.

4. Check signal between NAVI control unit harness connector.

Is inspection result OK?


Is inspection result OK? YES >> Replace NAVI control unit. Refer to AV-84, "Removal and Installation".

NO >> Replace microphone. Refer to AV-90, "Removal and Installation".

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