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 ...
Other materials:
B1074, B1075, B1076, B1077, B1078, B1079 diagnosis sensor unit
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 la ...
P1616 ECM
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION
1. Turn ignition switch ON amd wait 2 seconds or more.
2. Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT-III.
Is DTC detected?
YES >> Go to SEC ...
Precautions for Harness Repair
• Solder the repaired area and wrap tape around the soldered area.
NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).
• Bypass connection is never allowed at the repaired area.
NOTE:
Bypass connection may cause CAN communication error. The
spliced wire becomes separated a ...
