Nissan Sentra manuals

Nissan Sentra Service Manual: Basic inspection

Nissan Sentra Service Manual / Ventilation, heater & air conditioner / Heater & air conditioning system / Basic inspection

Diagnosis and repair workflow

Workflow

OVERALL SEQUENCE

DETAILED FLOW


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 “HVAC” 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 HAC-37, "DTC Inspection Priority Chart".

>> GO TO 7.

5.OPERATION CHECK

Perform the operation check. Refer to HAC-53, "Work Procedure" (automatic A/C) or HAC-157, "Work Procedure" (manual A/C).

>> GO TO 6.

6.SYMPTOM DIAGNOSIS

Check the symptom diagnosis table. Refer to HA-17, "Symptom Table".

>> GO TO 8.

7.VERIFY REPAIR

With CONSULT


  1. Turn ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “HVAC” 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-53, "Work Procedure" (automatic A/C) or HAC-157, "Work Procedure" (manual A/C).

Does it operate normally? YES >> Inspection End.

NO >> GO TO 2.

System description
Refrigeration system Component part location High-pressure service port High-pressure pipe Expansion valve Low-pressure service port Low-pressure flexible hose Compressor Refrige ...

Symptom diagnosis
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Other materials:

Normal operating condition
Description FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED) If the engine speed is above 2,500 rpm under no load (for example, the selector lever position is neutral and engine speed is over 2,500 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies b ...

Diagnosis system (bcm) (with intelligent key system)
Common item Common item : consult function (bcm - common item) Application item Consult performs the following functions via can communication with bcm. Direct diagnostic mode Description ECU identification The BCM part number is displayed. Self diagnostic result ...

Steering gear and linkage
Inspection INSPECTION AFTER DISASSEMBLY BOOT Check boot for cracks. Replace if any damage is found. STEERING GEAR ASSEMBLY HOUSING Check steering gear assembly housing for damage and scratches. Replace if there are any abnormal conditions. OUTER SOCKET AND INNER SOCKET B ...

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