Nissan Sentra manuals

Nissan Sentra Service Manual: Basic inspection

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

DETAILED FLOW

1.LISTEN TO CUSTOMER COMPLAINT

Listen to customer complaint. Get detailed information about the conditions and environment when the symptom occurs.

>> GO TO 2.

2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK

Verify the symptom with operational check. Refer to HAC-157, "Work Procedure".

>> GO TO 3.

3.GO TO APPROPRIATE TROUBLE DIAGNOSIS

Go to appropriate trouble diagnosis. Refer to HAC-181, "Symptom Table".

>> GO TO 4.

4.REPAIR OR REPLACE

Repair or replace the specific parts.

>> GO TO 5.

5.FINAL CHECK

Final check.

Is the inspection result normal? YES >> Inspection End.

NO >> GO TO 3.

OPERATION INSPECTION

Work Procedure

DESCRIPTION

The purpose of the operational check is to check that the individual system operates normally.

Check condition : Engine running at normal operating temperature.

Check condition : Blower control dial in OFF position.

Check condition : REC off (LED extinguished).

Check condition : VENT selected (LED illuminated).

Check condition : DEF off (LED extinguished).

OPERATION INSPECTION

1.CHECK BLOWER

  1. Rotate the blower control dial clockwise one detent. Blower should operate on low speed.
  2. Rotate the blower control dial one detent at a time, and continue checking blower speed until all speeds are checked.
  3. Leave blower on maximum speed.

Is the test result normal? YES >> GO TO 2.

NO >> Refer to HAC-174, "Diagnosis Procedure".

2.CHECK A/C SWITCH LED

  1. Press A/C switch.
  2. A/C switch indicator should turn ON.

Is the test result normal? YES >> GO TO 3.

NO >> Refer to HAC-168, "Diagnosis Procedure".

3.CHECK A/C SWITCH

Confirm that the compressor clutch engages (sound or visual inspection).

Is the test result normal? YES >> GO TO 4.

NO >> Refer to HAC-178, "Diagnosis Procedure".

4.CHECK FRONT AIR CONTROL MODE LEDS

  1. Press D/F ( ), B/L), FOOT (
    , and VENT , MAX A/C, and DEF (), B/L, and VENT , MAX A/C, and DEF (
    , and VENT). , MAX A/C, and DEF (
    Each button indicator should illuminate.).

  2. Each button indicator should illuminate.

Is the test result normal? YES >> GO TO 5.

NO >> Refer to HAC-160, "A/C SWITCH ASSEMBLY : Diagnosis Procedure".

5.CHECK DISCHARGE AIR

  1. Press D/F ( ), B/L , and VENT), FOOT (), B/L , and VENT
    ), B/Land DEF ( ). , and VENTand DEF ( ).
    and DEF (Confirm that discharge air comes out according to the air distribution ).

  2. Confirm that discharge air comes out according to the air distribution table. Refer to HAC-123, "Door Control".

Is the test result normal? YES >> GO TO 6.

NO >> Refer to HAC-181, "Symptom Table".

6.CHECK REC LED

  1. Press DEF ( LED is off.) and make sure
    LED is off.
  2. Make sure VENT ( ) is selected.) or B/L (
    Press REC ( ) switch one) is selected.

  3. Press REC ( time. REC indicator should illuminate.) switch one
    time. REC indicator should illuminate.
  4. Press REC (more time. REC indicator should go off. ) switch one
    more time. REC indicator should go off.

Is the test result normal? YES >> GO TO 7.

NO >> Refer to HAC-160, "A/C SWITCH ASSEMBLY : Diagnosis Procedure".

7.CHECK INTAKE DOOR OPERATION

  1. Press REC (time. REC indicator should illuminate. ) switch one
    time. REC indicator should illuminate.
  2. Listen to the sound of the air coming out of the vent.
  3. Press REC ( more time. REC indicator should go off.) switch one
    more time. REC indicator should go off.
  4. There should be an audible change to the sound of the air flowing out of the vent.

Is the test result normal? YES >> GO TO 8.

NO >> Refer to HAC-165, "Diagnosis Procedure".

8.CHECK TEMPERATURE DECREASE

Is the test result normal? YES >> GO TO 9.

NO >> Refer to HAC-182, "Component Function Check".

9.CHECK TEMPERATURE INCREASE

  1. Rotate temperature control dial clockwise until maximum hot.
  2. Check for hot air at appropriate discharge air outlets.

Is the test result normal? YES >> Inspection End.

NO >> Refer to HAC-184, "Component Function Check".

Wiring diagram
Manual air conditioning system Wiring Diagram Manual heater system Wiring Diagram ...

DTC/circuit diagnosis
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Other materials:

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P0222, P0223 TP Sensor
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0222 or P0223 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-353, "DTC Logic". DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible caus ...

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