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Diagnostic Procedure 3 SYMPTOM: Intake door does not change. CHECK OPERATION NG E OK Intake door motor (recir- CHECK POWER SUPPLY A/C CONTROL q 1 and body ground? OK E NG CHECK POWER SUP- CHECK POWER SUPPLY FOR INTAKE I Turn ignition switch ON. Check voltage between intake door motor q 1 and ground, a few seconds after air recirculation switch is switched ON. q 2 and ground, a few seconds after air recirculation switch is switched OFF. OK E NG Check continuity q 1 ( q 2 ) and A/C control panel q 10 ( q 11 ). If NG, repair harness or OK Replace A/C control CHECK INTAKE DOOR MOTOR q 1 ( q 2 ) and q 2 ( q 1 ). Does intake door motor operate, correctly? OK E NG Replace intake door CHECK INTAKE DOOR LINKAGE E NG Repair intake door link- YHA429 YHA430 YHA431 YHA432 H H H H H TROUBLE DIAGNOSES HA-60 |