Nissan Juke Service and Repair Manual : Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE

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.
Basic inspection
...
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 ...
