Compressor Does Not Operate

COMPRESSOR DOES NOT OPERATE





Description

SYMPTOM
Compressor does not operate.




Diagnosis Procedure

NOTE:
- Perform self-diagnosis with CONSULT-III 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. Magnetic Clutch.
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-III
1. Select "DATA MONITOR" mode of "ECM" using CONSULT-III.
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. Removal And Installation.
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. Blower Fan ON Signal.
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. Thermo Control Amplifier.
Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair or replace the malfunctioning parts