Manual Air Conditioner

COMPRESSOR DOSE DOT OPERATE


Description


SYMPTOM
Compressor does not operate.





COMPRESSOR DOSE DOT OPERATE


Diagnosis Procedure


CAUTION:
- Perform the self-diagnosis with CONSULT-III before performing symptom diagnosis. If any malfunction result or DTC is detected, perform the corresponding diagnosis.
- Check that the 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 the ignition switch ON.
2. Operate the blower motor.
3. Check that A/C indicator is turned ON when pressing the A/C switch.
4. Check that A/C indicator is turned OFF when pressing the A/C switch again.
Is inspection result normal?
YES - GO TO 2.
NO - GO TO 5.
2.CHECK MAGNET CLUTCH OPERATION
Check the magnet clutch. Component Function Check.
Does it operate normally?
YES - GO TO 3.
NO - Repair or replace the malfunctioning parts.
3.CHECK REFRIGERANT PRESSURE SENSOR
Check the refrigerant pressure sensor. Diagnosis Procedure.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace the malfunctioning parts.
4.CHECK BCM OUTPUT SIGNAL
With CONSULT-III
Check the "A/C ON SIG" or "FAN ON SIG" or "A/C RELAY SIG" in ECM.





Is the inspection result normal?
YES - Replace the IPDM E/R. Without I-Key.
NO - Replace the BCM. Exploded View.
5.CHECK A/C SWITCH
Check the A/C switch. Diagnosis Procedure.
Is inspection result normal?
YES - GO TO 6.
NO - Repair or replace the malfunctioning parts.
6.CHECK BLOWER FAN ON SIGNAL
Check the blower fan ON signal. Diagnosis Procedure.
Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace the malfunctioning parts
7.CHECK THERMO CONTROL AMP.
Check the thermo control amp. Diagnosis Procedure.
Is the inspection result normal?
YES - Replace the BCM. Exploded View.
NO - Repair or replace the malfunctioning parts