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. Magnetic Clutch.
Does it operate normally?
YES- GO TO 2.
NO- Repair or replace malfunctioning parts.

2. CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refrigerant Pressure Sensor.
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. A/C On Signal.
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. Blower Fan On Signal.
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. Service and Repair.
NO- Replace BCM. Service and Repair.