|
|
HAC-118 < SYMPTOM DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] COMPRESSOR DOSE DOT OPERATE COMPRESSOR DOSE DOT OPERATE Description INFOID:0000000009951028 SYMPTOM Compressor dose not operate. Diagnosis Procedure INFOID:0000000009951029 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. Refer to HAC-59, "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. Refer to 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. Refer to NO >> Replace the BCM. Refer to (WITH I-KEY) or Monitor item Condition Status COMP REQ SIG A/C switch: OFF Off A/C switch: ON On FAN REQ SW Fan control switch: OFF Off Fan control switch: ON On Monitor item Condition Status COMP REQ SIG A/C switch: OFF Off A/C switch: ON On FAN REQ SW Fan control switch: OFF Off Fan control switch: ON On |