Nissan Juke Service and Repair Manual : A/C switch

Component Function Check

1.CHECK A/C ON SIGNAL

1. Turn ignition switch ON.With CONSULT-III


1. Turn ignition switch ON.

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

3. Select “AIR COND SW” in “DATA MONITOR” mode, and check status under the following condition.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> Refer to HAC-281, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK A/C SWITCH POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect A/C control connector.

3. Turn ignition switch ON.

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

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 2.

NO >> GO TO 3.

2.CHECK A/C SWITCH GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between A/C control harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace A/C control. Refer to HAC-239, "Removal and Installation".

NO >> Repair harness or connector.

3.CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

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

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> Repair harness or connector.

4.CHECK A/C SWITCH POWER SUPPLY CIRCUIT FOR SHORT

Check continuity between A/C control 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
    PTC HEATER CONTROL UNIT : Diagnosis Procedure 1.CHECK FUSE 1. Turn ignition switch OFF. 2. Check 10A fuses (No. 3 and 7). NOTE: Refer to PG-23, "Fuse and Fusible Link Arrangement". ...

    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:

    Intelligent key low battery 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 ...

    RHD
    RHD : Wiring Diagram For connector terminal arrangements, harness layouts, and alphabets in a (option abbreviation; if not described in wiring diagram), refer to GI-12, "Connector Information/Explanation of Option Abbreviation". ...

    P1650 starter motor relay 2
    Description ECM controls ON/OFF state of the starter relay, according to the engine and vehicle condition. Models with no Intelligent Key System transmit a control signal directly to IPDM E/R. On the other hand, models with the Intelligent Key System transmit a control signal to IPDM E/R by w ...