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BLOWER MOTOR HAC-83 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P Is the inspection result normal? YES >> Replace power transistor. Refer to HAC-99, "Removal and Installation" . NO >> GO TO 10. 10. CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect power transistor connector and A/C auto amp. connector. 3. Check continuity between power transistor harness connector and A/C auto amp. harness connector. Is the inspection result normal? YES >> GO TO 11. NO >> Repair harness or connector. 11. CHECK POWER TRANSISTOR CONTROL SIGNAL CIRCUIT FOR SHORT Check continuity between power transistor harness connector and ground. Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-93, "Removal and Installation" NO >> Repair harness or connector. Component Inspection (Blower Motor) INFOID:0000000012200070 1. CHECK BLOWER MOTOR 1. Remove blower motor. Refer to VTL-14, "Removal and Installation" 2. Check that there is not any mixing foreign object in the blower motor. YES >> GO TO 2. NO >> Replace blower motor. Refer to VTL-14, "Removal and Installation" . 2. CHECK BLOWER MOTOR Check that there is not breakage or damage in the blower motor. YES >> GO TO 3. NO >> Replace blower motor. Refer to VTL-14, "Removal and Installation" . + − Condition Duty ratio (Approx.) Output waveform Power transistor Connector Terminal Fan speed (manual) Air outlet: VENT M344 2 Ground 1st 26% 2nd 34% 3rd 41% 4th 51% 5th 62% 6th 73% 7th 82% JPIIA1646GB Power transistor A/C auto amp. Continuity Connector Terminal Connector Terminal M344 2 M50 13 Existed Power transistor — Continuity Connector Terminal M344 2 Ground Not existed |