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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All-Wheel Drive (AWD) warning light
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When the ignition switch is in the “ON” position, the All-Wheel Drive (AWD) warning
light will illuminate. It will turn off soon after the engine is started.
If the AWD system malfunctions or the revolution or radius of the front and the
rear ...
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
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DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp statu ...
