Nissan Juke Service and Repair Manual : Microphone signal circuit
Description
Power is supplied from audio unit to microphone. The microphone transmits the sound voice to the audio unit.
Diagnosis Procedure
1.CHECK CONTINUITY BETWEEN AUDIO UNIT AND MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect audio unit connector and microphone connector.
3. Check continuity between audio unit harness connector and microphone harness connector.
4. Check continuity between audio unit harness connector and ground.
Is inspection result OK? YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VOLTAGE MICROPHONE VCC
1. Connect audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between audio unit harness connector and ground.
Is inspection result OK? YES >> GO TO 3.
NO >> Replace audio unit. Refer to AV-38, "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 audio unit harness connector.
Is inspection result OK? YES >> Replace audio unit. Refer to AV-38, "Removal and Installation".
NO >> Replace microphone. Refer to AV-43, "Removal and Installation".
Power supply and ground circuit
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before in ...
Steering switch signal a circuit
Description
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
1.CHECK STEERING SWITCH SIGNAL A CIRCUIT
1. Disconnect audio unit connector and spiral cable connector.
2. Chec ...
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Description
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• THE LARGE ILLUSTRATIONS are exploded views (see the following) and
contain tightening torques, lubrication
points, section number of the PARTS CATALOG (e.g. SEC. 440) and other
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perform repairs.
The illustrations should be used in reference to service matters only. ...
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DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble
diagnosis for DTC U1000.
Refer to BCS-153, "DTC Logic".
• If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble
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...