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PRELIMINARY CHECK 3 Insufficient cooling CHECK MODE DOOR OPERATION. OK E NG Go to Preliminary Check 1. (HA-55) CHECK INTAKE DOOR OPERATION. OK E NG Go to Preliminary Check 2. (HA-56) CHECK BLOWER MOTOR OPERA- OK E NG Go to Preliminary Check 5. (HA-59) CHECK MAGNET CLUTCH OPERA- OK E NG Go to Preliminary Check 6. (HA-60) CHECK COMPRESSOR BELT TEN- OK E NG Adjust or replace compressor belt. CHECK AIR MIX DOOR OPERA- OK E NG Go to Preliminary Check 7. (HA-61) CHECK COOLING FAN MOTOR OK E NG Go to EC section. Before connecting ACR4 to vehicle, Confirm refrigerant purity in supply OK E NG Refer to Contaminated refrigerant. Connect ACR4 to vehicle. OK E NG Refer to Contaminated refrigerant. CHECK REFRIGERATION CYCLE OK E NG Go to Performance Test Diagnoses. CHECK FOR EVAPORATOR COIL 2. Measure evaporator outlet air tem- perature detected by intake sensor. OK (Does not freeze up.) E NG (Freezes up.) Replace compressor. CHECK DUCTS FOR AIR LEAKS. OK E NG Repair air leaks. PERFORM TEMPERATURE SET- mode in self-diagnosis. 2. Turn temperature dial at desirable times. GI MA EM LC EC FE AT PD FA RA BR ST RS BT EL IDX TROUBLE DIAGNOSES Preliminary Check (Cont’d) H H H H H H H H H H H H H HA-57 |