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HAC-70 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] B24BD RIGHT AIR MIX DOOR MOTOR B24BD RIGHT AIR MIX DOOR MOTOR DTC Logic INFOID:0000000011276614 DTC DETECTION LOGIC NOTE: • If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to • If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. . • If air mix door motors DTC (B24BB – B24BD) are detected, there is probably a disconnected connector or an open circuit in air mix door motor drive power supply harness. DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT 1. Turn ignition switch ON. 2. Select “Self Diagnostic Result” of “HVAC”. 3. Check DTC. YES >> Refer to NO >> Inspection End. Diagnosis Procedure INFOID:0000000011276615 Regarding Wiring Diagram information, refer to 1. CHECK AIR MIX DOOR MOTOR RH POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect air mix door motor RH connector. 3. Turn ignition switch ON. 4. Check voltage between air mix door motor RH harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK AIR MIX DOOR MOTOR RH POWER SUPPLY CIRCUIT FOR OPEN 1. Disconnect A/C auto amp. connector. 2. Check continuity between air mix door motor RH harness connector and A/C auto amp. harness connec- tor. DTC Items (CONSULT screen terms) DTC detection condition Possible cause B24BD AS AIR MIX DOOR MOT Short or open circuit of air mix door motor drive • Air mix door motor (The motor circuit is open or short- + − Voltage (Approx.) Air mix door motor RH Connector Terminal M140 2 Ground Battery voltage |