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HAC-160 < COMPONENT DIAGNOSIS > [MANUAL AIR CONDITIONER] POWER SUPPLY AND GROUND CIRCUIT FOR CONTROLLER Is the inspection result normal? YES >> System OK. NO >> Replace front air control. Refer to XX-XX, "*****". Front Air Control Power and Ground Diagnosis Procedure INFOID:0000000001366826 DIAGNOSTIC PROCEDURE FOR A/C SYSTEM SYMPTOM: A/C system does not come on. 1. CHECK POWER SUPPLY CIRCUITS FOR FRONT AIR CONTROL 1. Turn ignition switch OFF. 2. Disconnect front air control connector. 3. Turn ignition switch ON. 4. Check voltage between front air control harness connector M49 Is the inspection result normal? YES >> GO TO 2. NO >> Check 10A fuses [Nos. 8 and 19, located in the fuse block (J/B)]. Refer to XX-XX, "*****". • If fuses are OK, check harness for open circuit. Repair or replace as necessary. sary. 2. CHECK GROUND CIRCUIT FOR FRONT AIR CONTROL 1. Turn ignition switch OFF. 2. Check continuity between front air control harness connector Is the inspection result normal? YES >> Replace front air control. Refer to XX-XX, "*****". NO >> Repair harness or connector. WJIA1461E Terminals Ignition switch position (+) (-) OFF ACC ON Front air control connector Terminal No. M49 6 Ground Approx. 0V Approx. 0V Battery M49 19 Battery Battery Battery WJIA1082E 20 - Ground : Continuity should exist. WJIA1239E |