Toyota
Nissan Versa
 Sedan Service Manual
Ventilation, heater & air conditioner » Heater & air conditioning control system (HAC)
Compressor does not operate

Description

SYMPTOM

Compressor does not operate.

Diagnosis Procedure

NOTE:

  • Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC is detected, perform the corresponding diagnosis.
  • Check that refrigerant system is fully charged. If the refrigerant charge is low, perform the inspection for refrigerant leakage

1.CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Refer to HAC "Component Function Check".

Does it operate normally?

YES >> GO TO 2.

NO >> Repair or replace malfunctioning parts.

2.CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refer to EC "Component Function Check".

Is the inspection result normal?

YES >> GO TO 3.

NO >> Repair or replace malfunctioning parts.

3.CHECK A/C ON SIGNAL

Check A/C ON signal. Refer to HAC "Component Function Check".

Is the inspection result normal?

YES >> GO TO 4.

NO >> Repair or replace malfunctioning parts.

4.CHECK BLOWER FAN ON SIGNAL

Check blower fan ON signal. Refer to HAC "Component Function Check".

Is the inspection result normal?

YES >> GO TO 5.

NO >> Repair or replace malfunctioning parts

5.CHECK BCM OUTPUT SIGNAL

With CONSULT

  1. Select "DATA MONITOR" mode of "ECM" using CONSULT.
  2. Select "AIR COND SIG" and "HEATER FAN SW", and check status under the following conditions.

Is the inspection result normal?

YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".

NO >> Replace BCM. Refer to BCS "Removal and Installation" or BCS "Removal and Installation".

UNIT REMOVAL AND INSTALLATION

    More about «Heater & air conditioning control system (HAC)»:

    Precautions

    Manual air conditioning system

    Diagnosis and repair workflow

    Operation inspection

    A/C On signal

    Blower fan on signal

    A/C Indicator

    Front blower motor

    Magnet clutch

    Insufficient cooling

    Insufficient heating

    Compressor does not operate

    Front air control

    Refrigerant pressure sensor

    Blower fan resistor

    Intake door cable

    Mode door cable

    Air mix door cable

    Nissan Versa Sedan Service Manual / Ventilation, heater & air conditioner / Heater & air conditioning control system (HAC) / Compressor does not operate

    Nissan Versa Sedan Service Manual

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