Nissan Versa Sedan Service ManualVentilation, heater & air conditioner » Heater & air conditioning control system (HAC)
Compressor does not operate
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
- Select "DATA MONITOR" mode of "ECM" using CONSULT.
- 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