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COMPRESSOR DOES NOT OPERATE HAC-47 < SYMPTOM DIAGNOSIS > [MANUAL AIR CONDITIONING] C D E F G H J K L M A B HAC N O P COMPRESSOR DOES NOT OPERATE Description INFOID:0000000009269813 SYMPTOM Compressor does not operate. Diagnosis Procedure INFOID:0000000009269814 NOTE: • Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC is detected, perform the corresponding diagnosis. • Check that refrigerant system is fully charged. If the refrigerant charge is low, perform the inspection for refrigerant leakage 1. CHECK MAGNET CLUTCH OPERATION Check magnet clutch. Refer to HAC-42, "Component Function Check" . Does it operate normally? YES >> GO TO 2. NO >> Repair or replace malfunctioning parts. 2. CHECK REFRIGERANT PRESSURE SENSOR Check refrigerant pressure sensor. Refer to EC-448, "Component Function Check" . Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace malfunctioning parts. 3. CHECK A/C ON SIGNAL Check A/C ON signal. Refer to HAC-32, "Component Function Check" Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace malfunctioning parts. 4. CHECK BLOWER FAN ON SIGNAL Check blower fan ON signal. Refer to HAC-35, "Component Function Check" Is the inspection result normal? YES >> GO TO 5. NO >> Repair or replace malfunctioning parts 5. CHECK BCM OUTPUT SIGNAL With CONSULT 1. Select “DATA MONITOR” mode of “ECM” using CONSULT. 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. Refer to PCS-56, "Removal and Installation" . NO BCS-69, "Removal and Installation" or BCS-122, "Removal and Installa- . Monitor item Condition Status AIR COND SIG A/C switch OFF (A/C indicator: OFF) Off ON (A/C indicator: ON) On HEATER FAN SW Blower motor OFF Off ON On |