Nissan Juke Service and Repair Manual : A/C on signal

Component Function Check

1.CHECK A/C ON SIGNAL

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

2. Operate blower motor.

3. Select “AIR CONDITIONER” of “BCM” using CONSULT-III.

4. Select “AIR COND SW” in “DATA MONITOR” mode.

5. Check A/C ON signal when the A/C switch is operated.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Refer to HAC-75, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK A/C ON SIGNAL

1. Turn ignition switch OFF.

2. Disconnect A/C auto amp. connector.

3. Turn ignition switch ON.

4. Check output waveform between A/C auto amp. harness connector and ground with using oscilloscope

Is the inspection result normal?


Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-91, "Removal and Installation".

NO >> GO TO 2.

2.CHECK A/C ON SIGNAL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between A/C auto amp. harness connector and BCM harness connector.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> Repair harness or connector.

3.CHECK A/C ON SIGNAL CIRCUIT FOR SHORT

Check continuity between A/C auto amp. harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation" (with Intelligent Key) or BCS-161, "Removal and Installation" (without Intelligent Key).

NO >> Repair harness or connector.

    Power supply and ground circuit
    A/C auto AMP. : Diagnosis Procedure 1.CHECK SYMPTOM Check symptom (A or B). Which symptom is detected? A >> GO TO 2. B >> GO TO 5. 2.CHECK FUSE 1. Turn ignition switch OFF. 2 ...

    Blower fan on signal
    Component Function Check 1.CHECK BLOWER FAN ON SIGNAL With CONSULT-III 1. Turn ignition switch ON. 2. Select “AIR CONDITIONER” of “BCM” using CONSULT-III. 3. Select “FAN ON SIG” in “DATA MONITOR” ...

    Other materials:

    Door does not lock/unlock with door key cylinder operation
    Diagnosis Procedure 1.CHECK POWER DOOR LOCK OPERATION Check power door lock operation. Does door lock/unlock with door lock and unlock switch? YES >> GO TO 2. NO >> Go to DLK-415, "ALL DOOR : Diagnosis Procedure". 2.CHECK UNLOCK SENSOR Check unlock sensor. Refer ...

    Off position warning does not operate
    Diagnosis Procedure 1.CHECK DTC WITH BCM AND COMBINATION METER Check that DTC is not detected with BCM and combination meter. Is the inspection result normal? YES >> GO TO 2. NO-1 >> Refer to BCS-67, "DTC Index". (BCM) NO-2 >> Refer to MWI-36, "DTC Index&qu ...

    P1831 VDC operation signal
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.DTC REPRODUCTION PROCEDURE With CONSULT-III 1. Start the engine and drive at 30 km/h (19 MPH) or more. 2. Perform self-diagnosis for “ALL MODE AWD/4WD”. Is DTC “P1831” detected? YES >> Proceed to diagnosis procedure. Refer ...