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HAC-74 < DTC/CIRCUIT DIAGNOSIS > [WITHOUT 7 INCH DISPLAY] MAGNET CLUTCH MAGNET CLUTCH Description INFOID:0000000009722092 The magnet clutch drives the compressor, by an IPDM E/R signal. Component Function Check INFOID:0000000009722093 1. FUNCTION INSPECTION 1. Press AUTO switch. 2. “AUTO” is indicated on the display. 3. Press the A/C switch. 4. Check that the indicator of the A/C switch turns on. Check visually and by sound that the compressor is 5. Press the A/C switch again. 6. Check that the indicator of the A/C switch turns OFF. Check visually and by sound that the compressor Does it operate normally? YES >> INSPECTION END NO >> Perform trouble diagnosis for the compressor. Refer to Diagnosis Procedure INFOID:0000000009722094 1. INSPECTION IN AUTO ACTIVE TEST MODE Perform “AUTO ACTIVE TEST”. Refer to PCS-10, "Diagnosis Description" . Does it operate normally? YES >> GO TO 6. NO >> GO TO 2. 2. CHECK MAGNET CLUTCH POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect compressor connector. 3. Perform auto active test of IPDM E/R. Refer to PCS-10, "Diagnosis Description" . 4. When auto active test operation sequence is compressor (magnet clutch) operation, check voltage Is the inspection result normal? YES >> GO TO 5. NO >> GO TO 3. 3. CHECK FUSE Check 10 A fuse (No. 49, located in IPDM E/R). PG-93, "Fuse, Connector and Terminal Arrangement" . Is the inspection result normal? YES >> GO TO 4. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 4. CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT FOR OPEN 1. Disconnect IPDM E/R connector. 2. Check continuity between IPDM E/R harness connector and compressor harness connector. + − Voltage Compressor Connector Terminal F18 1 Ground 0 V ⇔ Battery voltage |