Compressor Does Not Operate

COMPRESSOR DOSE DOT OPERATE

Description


SYMPTOM

Compressor does not operate.


Diagnosis Procedure


CAUTION:
- Perform the self-diagnoses with on board diagnosis and CONSULT 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 MAGNET CLUTCH OPERATION

Check the magnet clutch. Automatic Air Conditioning.
Does it operate normally?
YES- GO TO 2.
NO- Repair or replace the malfunctioning parts.

2. CHECK REFRIGERANT PRESSURE SENSOR

Check the refrigerant pressure sensor. Except For California.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.

3. CHECK BCM INPUT SIGNAL

With CONSULT
Check the "COMP REQ SIG" or "FAN REQ SW" in "DATA MONITOR" of BCM.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 5.

4. CHECK BCM OUTPUT SIGNAL

With CONSULT
Check the "A/C ON SIG" or "FAN ON SIG" in "A/C RELAY SIG" of ECM.





Is the inspection result normal?
YES- Replace the IPDM E/R. Exploded View With I-Key (WITH I-KEY) or, "Exploded
View" (WITHOUT I-KEY).
NO- Replace the BCM. Exploded View (WITH I-KEY) or "Exploded View" (WITHOUT I-KEY).

5. CHECK A/C ON SIGNAL

Check the A/C ON signal. A/C On Signal.
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. Automatic Air Conditioning.
Is the inspection result normal?
YES- Replace the A/C auto amp.
NO- Repair or replace the malfunctioning parts