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:

Drive belt
1. Water pump pulley 2. Generator pulley 3. Manual tensioner pulley 4. Air conditioner compressor pulley 5. Crankshaft pulley WARNING Be sure the ignition switch is placed in the OFF or LOCK position before servicing drive belt. The engine could rotate unexpectedly. 1. Visually inspect t ...

EVAP control system pressure sensor
Exploded View 1. EVAP control system pressure sensor 2. O-ring 3. EVAP canister Removal and Installation NOTE: The EVAP canister system pressure sensor can be removed without removing the EVAP canister. REMOVAL Remove the EVAP canister protector cover. Disconnect EVAP canister purg ...

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