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B2581, B2582 INTAKE SENSOR HAC-287 < DTC/CIRCUIT DIAGNOSIS > [AUTO A/C (WITHOUT HEAT PUMP)] C D E F G H J K L M A B HAC N O P 1. Turn power switch OFF. 2. Disconnect intake sensor connector. 3. Turn power switch ON. 4. Check voltage between intake sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 5. 3. CHECK INTAKE SENSOR GROUND CIRCUIT FOR OPEN 1. Turn power 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 4. NO >> Repair harness or connector. 4. CHECK INTAKE SENSOR Check intake sensor. Refer to HAC-288, "Component Inspection" Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-347, "Removal and Installation" . NO >> Replace intake sensor. Refer to HAC-352, "Removal and Installation" 5. CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR OPEN 1. Turn power 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 6. NO >> Repair harness or connector. 6. CHECK INTAKE SENSOR POWER SUPPLY CIRCUIT FOR SHORT Check continuity between intake sensor harness connector and ground. Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-352, "Removal and Installation" . NO >> Repair harness or connector. + − Voltage (Approx.) Intake sensor Connector Terminal M141 1 Ground 5 V Intake sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M141 2 M55 30 Yes Intake sensor A/C auto amp. Continuity Connector Terminal Connector Terminal M141 1 M55 34 Yes Intake sensor — Continuity Connector Terminal M141 1 Ground No |