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REAR AIR CONTROL SYSTEM HAC-65 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] C D E F G H J K L M A B HAC N O P 1. Turn ignition switch OFF. 2. Disconnect the A/C auto amp. harness connector. 3. Check continuity between A/C auto amp. harness connector M50 terminal 43 and terminal 44. Is the inspection result normal? YES >> Replace A/C auto amp. NO >> GO TO 7. 7. CHECK MODE DOOR MOTOR CIRCUITS FOR SHORT TO GROUND Check continuity between A/C auto amp. harness connector M50 terminal 43, 44 and ground. Is the inspection result normal? YES >> GO TO 8. NO >> Repair or replace harness as necessary. 8. CHECK MODE DOOR MOTOR CIRCUITS FOR OPEN 1. Disconnect the mode door motor (rear) harness connector. 2. Check continuity between A/C auto amp. harness connector M50 (A) terminal 43, 44 and the mode door motor (rear) harness connector B156 (B) terminal 5, 6. Is the inspection result normal? YES >> Replace mode door motor. Refer to . NO >> Repair or replace harness as necessary. 9. CHECK A/C AUTO AMP. POWER AND GROUND FOR MODE DOOR MOTOR (REAR) Check voltage between A/C auto amp. harness connector M50 ter- minal 43 and terminal 44 while pressing the mode switch to the ) mode. Is the inspection result normal? YES >> GO TO 10. NO >> Replace A/C auto amp. Refer to VTL-7, "Removal and Installation" . 10. CHECK A/C AUTO AMP. FOR MODE DOOR MOTOR (REAR) PBR POWER AND GROUND Continuity should exist. AWIIA0190ZZ 43 - Ground : Continuity should not exist. 44 - Ground : Continuity should not exist. AWIIA0192ZZ 5 - 43 : Continuity should exist. 6 - 44 : Continuity should exist. AWIIA0191ZZ Connector Terminals Condition Voltage (Approx.) (+) (-) A/C auto amp.: M50 44 43 Press switch (rear) Battery AWIIA0196ZZ |