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HAC-204 < DTC/CIRCUIT DIAGNOSIS > [MANUAL AIR CONDITIONING] B24BB LEFT AIR MIX DOOR MOTOR B24BB LEFT AIR MIX DOOR MOTOR DTC Logic INFOID:0000000010499393 DTC DETECTION LOGIC POSSIBLE CAUSE [CIRCUIT SHORT TO BATTERY] • Harness and connector (Air mix door motor circuit is shorted to battery) [CIRC SHORT TO GRND OR OPEN] • Harness and connector (Air mix door motor circuit is open or shorted to ground]) FAIL-SAFE — DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Turn ignition switch ON. 2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT. 3. Check DTC. Is DTC detected? YES >> Refer to HAC-204, "Diagnosis Procedure" NO-1 >> To check malfunction symptom before repair: Refer to GI-44, "Intermittent Incident" . NO-2 >> Confirmation after repair: INSPECTION END Diagnosis Procedure INFOID:0000000010499394 1. CHECK AIR MIX DOOR MOTOR POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect air mix door motor connector. 3. Turn ignition switch ON. 4. Check voltage between air mix door motor harness connector and ground for several seconds after oper- Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 2. 2. CHECK AIR MIX DOOR MOTOR POWER SUPPLY CIRCUIT FOR OPEN DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B24BB LEFT AIR MIX DOOR MOTOR [CIRCUIT SHORT TO BATTERY] Detect short to battery circuit of air mix door [CIRC SHORT TO GRND OR OPEN] Detect open or short to ground circuit of air mix + − Voltage Air mix door motor Connector Terminal M388 2 Ground 11 - 14 V |