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B263D, B263E, B263F INTAKE DOOR MOTOR HAC-95 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P B263D, B263E, B263F INTAKE DOOR MOTOR DTC Logic INFOID:0000000006275929 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT-III 1. Turn ignition switch ON. 2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III. 3. Check DTC. Is DTC detected? YES >> Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006275930 1. CHECK INTAKE DOOR MOTOR COMMUNICATION SIGNAL 1. Turn ignition switch ON. 2. Check output waveform between intake door motor harness connector and ground with the oscilloscope. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 3. 2. CHECK INSTALLATION OF INTAKE DOOR MOTOR CONTROL LINKAGE Check intake door motor control linkage is properly installed. Refer to . Is the inspection result normal? YES >> Replace intake door motor. Refer to HAC-153, "INTAKE DOOR MOTOR : Removal and Installa- . NO >> Repair or replace malfunctioning part. DTC Items (CONSULT-III screen terms) DTC detection condition Possible cause B263D FRE DOOR FAIL When the malfunctioning intake door • Intake door motor (PBR internal circuit is open or short- • Intake door motor control linkage in- stallation condition • A/C auto amp. (LIN communication line is open or B263E 20P FRE DOOR FAIL When the malfunctioning intake door B263F REC DOOR FAIL When the malfunctioning intake door + − Output waveform Intake door motor Connector Terminal M254 3 Ground SJIA1453J |