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 is enclosed in cooler cycle normally. If the refrigerant amount is shortage from proper amount, perform the inspection of refrigerant leakage

1. CHECK A/C INDICATOR

1.Turn ignition switch ON.
2.Operate blower motor.
3.Check that A/C indicator is turned ON/OFF when operating A/C switch.
Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 5.

2. CHECK MAGNET CLUTCH OPERATION

Check magnet clutch. Manual Air Conditioning.
Does it operate normally?
YES- GO TO 3.
NO- Repair or replace malfunctioning parts.

3. CHECK REFRIGERANT PRESSURE SENSOR

Check refrigerant pressure sensor. Refrigerant Pressure Sensor.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace malfunctioning parts.

4. 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. IPDM E/R (Without I-Key).
NO- Replace BCM. Service and Repair.

5. CHECK A/C SWITCH

Check A/C switch. A/C Switch.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace the malfunctioning parts.

6. CHECK BLOWER FAN ON SIGNAL

Check blower fan ON signal. Manual Air Conditioning.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace the malfunctioning parts

7. CHECK THERMO CONTROL AMP.

Check thermo control amp. Manual Air Conditioning.
Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Repair or replace the malfunctioning parts