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HAC-76 < COMPONENT DIAGNOSIS > [AUTOMATIC AIR CONDITIONER] AMBIENT SENSOR 1. Disconnect ambient sensor connector. 2. Turn ignition switch ON. 3. Check voltage between ambient sensor harness connector E1 terminal 1 and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 4. 2. CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND A/C AUTO AMP. 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between ambient sensor harness connector E1 (B) terminal 2 and A/C auto amp. harness connector M49 (A) terminal 26. Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector. 3. CHECK AMBIENT SENSOR Check the Ambient Sensor Circuit. Refer to HAC-76, "Ambient Sensor Component Inspection" Is the inspection result normal? YES >> 1. Replace A/C auto amp. Refer to VTL-7, "Removal and Installation" . 2. GO TO HAC-24, "A/C Auto Amp. Self-Diagnosis" and perform self-diagnosis. NO >> 1. Replace ambient sensor. 2. GO TO HAC-24, "A/C Auto Amp. Self-Diagnosis" and perform self-diagnosis. 4. CHECK CIRCUIT CONTINUITY BETWEEN AMBIENT SENSOR AND A/C AUTO AMP. 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between ambient sensor harness connector E1 (B) terminal 1 and A/C auto amp. harness connector M49 (A) terminal 25. 4. Check continuity between ambient sensor harness connector E1 (B) terminal 1 and ground. Is the inspection result normal? YES >> 1. Replace A/C auto amp. Refer to VTL-7, "Removal and Installation" 2. GO TO HAC-24, "A/C Auto Amp. Self-Diagnosis" and perform self-diagnosis. NO >> Repair harness or connector. Ambient Sensor Component Inspection INFOID:0000000005256952 COMPONENT INSPECTION Ambient Sensor 1 - Ground : Approx. 5V AWIIA0161ZZ 2 - 26 : Continuity should exist. AWIIA1039ZZ 1 - 25 : Continuity should exist. 1 - Ground : Continuity should not exist. AWIIA1040ZZ 2010 Pathfinder |