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MAGNET CLUTCH CIRCUIT =NCHA0156 SYMPTOM: I Magnet clutch does not engage when A/C switch and fan 1 CHECK POWER SUPPLY FOR COMPRESSOR Disconnect compressor harness connector. RHA747FG Yes or No Yes © GO TO 2. No © Disconnect A/C relay. GO TO 3. 2 CHECK MAGNET CLUTCH COIL OK or NG NG © Replace magnet clutch. Refer to HA-197. 3 CHECK CIRCUIT CONTINUITY BETWEEN A/C RELAY AND COMPRESSOR HARNESS Check circuit continuity between A/C relay harness terminal No. 3 and compressor harness terminal No. 1. Continuity should exist. RHA127H If OK, check harness for short. OK or NG OK © GO TO 4. NG © Repair harness or connector. GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT SC EL IDX TROUBLE DIAGNOSES MANUAL Magnet Clutch (Cont’d) HA-175 |