Automatic Air Conditioner

COMPRESSOR DOSE DOT OPERATE


Description


SYMPTOM
Compressor does not operate.





COMPRESSOR DOSE DOT OPERATE


Diagnosis Procedure


CAUTION:
- Perform the self-diagnosis with on board diagnosis and 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 MAGNET CLUTCH OPERATION
Check the magnet clutch. Component Function Check.
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. Diagnosis Procedure.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace the malfunctioning parts.
3.CHECK BCM INPUT SIGNAL
With CONSULT-III
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-III
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. With I-Key (WITH I-KEY) or Without I-Key (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. Component Function Check.
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. Component Function Check.
Is the inspection result normal?
YES - Replace the A/C auto amp.
NO - Repair or replace the malfunctioning parts