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INTAKE DOOR MOTOR HAC-37 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] C D E F G H J K L M A B HAC N O P 4. Check continuity between front air control harness connector M49 terminals 21, 22 and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace harness as necessary. 2. CHECK FRONT AIR CONTROL FOR INTAKE AIR DOOR MOTOR POWER AND GROUND 1. Reconnect front air control harness connector. 2. Turn ignition switch ON. 3. Check voltage between front air control harness connector M49 terminal 21 and terminal 22 while placing the HVAC system into self-diagnostic mode. Is the inspection result normal? YES >> Inspect intake air door for binding or mechanical failure. If intake air door moves freely, replace the intake air door motor. Refer to VTL-18, "Removal and Installation" . NO >> Replace front air control. Refer to VTL-8, "Removal and Installation" . Connector Terminal — Continuity M49 21 Ground No 22 AWIIA0398ZZ Connector Terminals Condition Voltage (Approx.) (+) (-) M49 21 22 Self-diagnostic mode (opening) Battery voltage 22 21 Self-diagnostic mode (closing) Battery voltage AWIIA0397ZZ |