Nissan Versa (N17): Diagnosis and repair workflow

Nissan Versa 2nd generation (N17) Service Manual / Ventilation, heater & air conditioner / Heater & air conditioning system (HA) / Diagnosis and repair workflow

Workflow

OVERALL SEQUENCE

OVERALL SEQUENCE

DETAILED FLOW

1.INTERVIEW CUSTOMER

Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.

>> GO TO 2.

2.SYMPTOM CHECK

Verify symptoms.

>> GO TO 3.

3.CHECK FOR DTCS

With CONSULT

  1. Turn ignition switch ON.
  2. Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
  3. Check DTC.

Is any DTC detected?

YES >> GO TO 4.

NO >> GO TO 5.

4.PERFORM DTC DIAGNOSTIC PROCEDURE

Perform the diagnostic procedure for the detected DTC. Refer to BCS"DTC Inspection Priority Chart" or BCS "DTC Inspection Priority Chart".

>> GO TO 7.

5.OPERATION CHECK

Perform the operation check. Refer to HAC "Work Procedure".

>> GO TO 6.

6.SYMPTOM DIAGNOSIS

Check the symptom diagnosis table. Refer to HA "Symptom Table".

>> GO TO 8.

7.VERIFY REPAIR.

With CONSULT

  1. Turn ignition switch ON.
  2. Select "Self Diagnostic Result" mode of "BCM" using CONSULT.
  3. Check DTC.

Is any DTC detected?

YES >> GO TO 4.

NO >> GO TO 8.

8.PERFORM FINAL OPERATION CHECK

Perform the operation check. Refer to HAC "Work Procedure".

Does it operate normally?

YES >> Inspection End.

NO >> GO TO 2.

Refrigeration system

Refrigerant Cycle REFRIGERANT FLOW The refrigerant flows in the standard pattern, that is, through the compressor, the condenser with liquid tank, through the evaporator, and back to the compress ...

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 con ...

Other materials:

Keys
Type A (if so equipped) 1. Master key 2. Valet key 3. Key number plate A key number plate is supplied with your keys. Record the key number and keep it in a safe place (such as your wallet), not in the vehicle. If you lose your keys, it is recommended that you visit a NISSAN dealer for ...

Oil
Description MAINTENANCE OF OIL LEVEL The compressor oil is circulating in the system together with the refrigerant. It is necessary to fill compressor with oil when replacing A/C system parts or when a large amount of refrigerant leakage is detected. It is important to always maintain oil l ...

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