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B2581, B2582 INTAKE SENSOR HAC-173 < COMPONENT DIAGNOSIS > [WITH 7 INCH DISPLAY] C D E F G H J K L M A B HAC N O P 1. Disconnect intake sensor connector. 2. Turn ignition switch ON. 3. Check voltage between intake sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 4. 2. CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP. 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between intake sensor harness connector and A/C auto amp. harness connector. Is the inspection result normal? YES >> GO TO 3. NO >> Repair harness or connector. 3. CHECK INTAKE SENSOR Check intake sensor. Refer to HAC-173, "Component Inspection" Is the inspection result normal? YES >> Replace A/C auto amp. NO >> Replace intake sensor. 4. CHECK CIRCUIT CONTINUITY BETWEEN INTAKE SENSOR AND A/C AUTO AMP. 1. Turn ignition switch OFF. 2. Disconnect A/C auto amp. connector. 3. Check continuity between intake sensor harness connector and A/C auto amp. harness connector. 4. Check continuity between intake sensor harness connector and ground. Is the inspection result normal? YES >> Replace A/C auto amp. NO >> Repair harness or connector. Component Inspection INFOID:0000000003884751 1. CHECK INTAKE SENSOR 1. Turn ignition switch OFF. 2. Disconnect intake sensor connector. 3. Check resistance between intake sensor terminals. (+) ( − ) Voltage Intake sensor — Connector Terminal M42 2 Ground Approx. 5 V Intake sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M42 1 M50 37 Existed Intake sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M42 2 M50 16 Existed Intake sensor — Continuity Connector Terminal M42 2 Ground Not existed |