Nissan Versa (N17): Operation inspection

Nissan Versa 2nd generation (N17) Service Manual / Ventilation, heater & air conditioner / Heater & air conditioning control system (HAC) / Operation inspection

Work Procedure

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

Check condition : Engine running at normal operating temperature.

1.CHECK FRONT BLOWER MOTOR

  1. Operate fan control dial.
  2. Check that fan speed changes. Check operation for all fan speeds.

Is the inspection result normal?

YES >> GO TO 2.

NO >> GO TO 8.

2.CHECK DISCHARGE AIR

  1. Operate fan control dial to set the fan speed to maximum speed.
  2. Operate MODE dial to each position.
  3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the air outlets. Refer to VTL "VENTILATION SYSTEM (FRONT AIR CONDITIONING) : System Description".

Is the inspection result normal?

YES >> GO TO 3.

NO >> GO TO 8.

3.CHECK INTAKE AIR

  1. Operate intake lever to each position.
  2. Listen to intake sound and confirm air inlets change.

Is the inspection result normal?

YES >> GO TO 4.

NO >> GO TO 8.

4.CHECK COMPRESSOR

  1. Turn fan control dial ON.
  2. Press A/C switch. The A/C switch indicator is turns ON.
  3. Check visually and by sound that the compressor operates.
  4. Press A/C switch again. The A/C switch indicator is turns OFF.
  5. Check that compressor stops.

Is the inspection result normal?

YES >> GO TO 5.

NO >> GO TO 8.

5.CHECK DISCHARGE AIR TEMPERATURE

  1. Operate temperature control dial.
  2. Check that discharge air temperature changes.

Is the inspection result normal?

YES >> GO TO 6.

NO >> GO TO 8.

6.CHECK TEMPERATURE DECREASE

  1. Operate compressor.
  2. Turn temperature control dial to full cold position.
  3. Check that cool air blows from the air outlets.

Is the inspection result normal?

YES >> GO TO 7.

NO >> GO TO 8.

7.CHECK TEMPERATURE INCREASE

  1. Turn temperature control dial to full hot position.
  2. Check that warm air blows from air outlets.

Is the inspection result normal?

YES >> INSPECTION END

NO >> GO TO 8.

8.CHECK SELF-DIAGNOSIS WITH CONSULT

  1. Perform self-diagnosis with CONSULT.
  2. Check that any DTC is detected.

Is any DTC detected?

YES >> Perform trouble diagnosis for the detected DTC.

NO >> Refer to HAC "Symptom Table" and perform the appropriate diagnosis.

DTC/CIRCUIT DIAGNOSIS

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