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HAC-100 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] B24BB LEFT AIR MIX DOOR MOTOR B24BB LEFT AIR MIX DOOR MOTOR DTC Logic INFOID:0000000010432219 DTC DETECTION LOGIC POSSIBLE CAUSE [CIRCUIT SHORT TO BATTERY] • Harness and connector [Air mix door motor (driver side) circuit is shorted to battery] (LHD models) [CIRC SHORT TO GRND OR OPEN] • Harness and connector [Air mix door motor (driver side) circuit is open or shorted to ground] (LHD models) models) • Air mix door motor 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-100, "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:0000000010432220 1. CHECK AIR MIX DOOR MOTOR [DRIVER SIDE (LHD MODELS), PASSENGER SIDE (RHD MODELS)] POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect air mix door motor LH connector. 3. Turn ignition switch ON. 4. Check voltage between air mix door motor LH harness connector and ground for several seconds after 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 LH Connector Terminal M352 2 Ground 11 - 14 V |