Nissan Juke Service and Repair Manual : Diagnosis and repair workflow

Work Flow

OVERALL SEQUENCE

DETAILED FLOW


DETAILED FLOW

1.INTERVIEW FOR MALFUNCTION

Interview the symptom to the customer

>> GO TO 2.

2.SYMPTOM CHECK

Check the symptom from the customer's information. Check that any symptom occurs other than the interviewed symptom.

Insufficient cooling/heating>>GO TO 3.

Refrigerant leakage>>GO TO 6.

Noise >> GO TO 7.

3.CONTROL SYSTEM DIAGNOSIS

Perform the system diagnosis for the A/C control system.

• Refer to HAC-135, "Work Flow". (AUTOMATIC AIR CONDITIONING) • Refer to HAC-271, "Work Flow". (MANUAL AIR CONDITIONING) • Refer to HAC-322, "Work Flow". (MANUAL HEATER)

Is A/C control system normal? YES >> GO TO 4.

NO >> GO TO 8.

4.PERFORMANCE TEST

Perform the performance test. Check the operation of each part. Refer to HA-26, "Inspection".

>> GO TO 5.

5.TROUBLE DIAGNOSIS FOR UNUSUAL PRESSURE

Diagnose using a manifold gauge whenever system's high and/or low side pressure(s) is/are unusual. Specify the malfunctioning part. Refer to HA-28, "Symptom Table".

Low refrigerant charge>>GO TO 6.

Except above>>GO TO 8.

6.CHECK REFRIGERANT FOR LEAKAGES

Check refrigerant for leakages. Specify the malfunctioning part. Refer to HA-19, "Leak Test".

>> GO TO 8.

7.TROUBLE DIAGNOSIS FOR NOISE

Perform trouble diagnosis for noise. Specify the malfunctioning part. Refer to HA-28, "Symptom Table".

>> GO TO 8.

8.MALFUNCTION PART REPAIR

Repair or replace the malfunctioning part.

>> GO TO 9.

9.REPAIR CHECK (OPERATION CHECK)

Check the operation of each part.

Does it operate normally? YES >> INSPECTION END

NO >> GO TO 2.

    Refrigerant
    Description CONNECTION OF SERVICE TOOLS AND EQUIPMENT 1. Shut-off valve 2. A/C service valve 3. Recovery/recycling/recharging equipment 4. Vacuum pump 5. Manifold gauge set 6. Refrigerant ...

    Other materials:

    Diagnosis Procedure
    WARNING: • Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3 minutes. (To discharge backup capacitor.) • Never use unspecified tester or other measuring device. 1.CHECK HARNESS CONNECTOR Check the harness connector. Is the inspection res ...

    Test Value and Test Limit
    The following is the information specified in Service $06 of ISO 15031-5. The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the ...

    Power supply and ground circuit
    Diagnosis Procedure 1.CHECK FUSE AND FUSIBLE LINK Check that the following fuse and fusible link are not blown. Is the fuse fusing? YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown. NO >> GO TO 2. 2.CHECK ...