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HAC-60 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] REAR AIR CONTROL SYSTEM 4. Check for hot air at rear floor discharge air outlets in the maximum heat position and cold air at rear roof discharge air outlets in the maximum cold position. Does the rear air control (rear) operate properly? YES >> GO TO 3. NO >> Check rear air control (rear). Refer to HAC-62, "Rear Air Control (Rear) Diagnosis Procedure" . 3. CHECK FOR ANY SYMPTOMS Perform a complete operational check (rear) for any symptoms. YES >> Refer to HAC-4, "How to Perform Trouble Diagnosis For Quick And Accurate Repair" . NO >> System OK. 4. CHECK FOR SERVICE BULLETINS Check for any service bulletins. >> GO TO 5. 5. CONFIRM SYMPTOM BY PERFORMING REAR AIR CONTROL (REAR) OPERATIONAL CHECK Perform rear air control operation diagnosis to check for any codes. Refer to . Are any symptoms present? YES >> Refer to HAC-106, "Symptom Matrix Chart" . NO >> System OK. Rear Air Control (Front) Diagnosis Procedure INFOID:0000000005256940 Regarding Wiring Diagram information, refer to DIAGNOSTIC PROCEDURE FOR REAR AIR CONTROL (FRONT) SYMPTOM: • Temperature/mode operation is malfunctioning. 1. CHECK REAR AIR CONTROL (FRONT) POWER SUPPLY 1. Disconnect rear air control (front) harness connector. 2. Turn ignition switch ON. 3. Check voltage between rear air control (front) harness connec- tor R2 terminal 10 and ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair harness or connector. 2. CHECK REAR AIR CONTROL (FRONT) REFERENCE VOLTAGE Battery voltage should exist. AWIIA0253ZZ 2010 Pathfinder |