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HAC-88 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] MAGNET CLUTCH MAGNET CLUTCH Description INFOID:0000000003545623 Magnet clutch drives a compressor, by a signal of IPDM E/R. Component Function Check INFOID:0000000003545624 1. CONFIRM SYMPTOM BY PERFORMING THE FOLLOWING OPERATIONAL CHECK 1. Press AUTO switch. 2. Display should indicate AUTO. Confirm that the magnet clutch engages (sound or visual inspection). (Dis- Does the magnet clutch operate? YES >> END. NO >> Go to Diagnosis Procedure. Refer to . Diagnosis Procedure INFOID:0000000003545625 1. PERFORM SELF-DIAGNOSIS STEP-2 Perform self-diagnosis STEP-2. Refer to HAC-57, "WITHOUT LEFT AND RIGHT VENTILATION TEMPERA- TURE SEPARATELY CONTROL SYSTEM : Diagnosis Description" (Without left and right ventilation tempera- ture separately control system) or HAC-63, "WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM : Diagnosis Description" (With left and right ventilation temperature sepa- rately control system), see Nos. 1 to 2. Is there any malfunction displayed? YES >> Go to appropriate malfunctioning sensor circuit. Refer to HAC-57, "WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM : Diagnosis Description" (Without left and right ventilation temperature separately control system) or AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM : Diagnosis (With left and right ventilation temperature separately control system), see to No. 11. NO >> GO TO 2. 2. PERFORM SELF-DIAGNOSIS STEP-4 Perform self-diagnosis STEP-4. Refer to HAC-57, "WITHOUT LEFT AND RIGHT VENTILATION TEMPERA- TURE SEPARATELY CONTROL SYSTEM : Diagnosis Description" (Without left and right ventilation tempera- ture separately control system) or HAC-63, "WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM : Diagnosis Description" (With left and right ventilation temperature sepa- rately control system), see Nos. 1 to 5. Is it operated normally? YES >> END. NO >> GO TO 3. 3. PERFORM IPDM E/R AUTO ACTIVE TEST Perform IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description" Does the magnet clutch operate? YES >> • WITH CONSULT-III: GO TO 6. • WITHOUT CONSULT-III: GO TO 7. NO >> Check 10A fuse (No. 49, located in IPDM E/R), and GO TO 4. 4. CHECK CIRCUIT CONTINUITY BETWEEN IPDM E/R AND COMPRESSOR 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R connector and compressor connector. 3. Check continuity between IPDM E/R harness connector and compressor harness connector. IPDM E/R Compressor Continuity Connector Terminal Connector Terminal E7 48 F43 1 Existed |