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P0132 A/F SENSOR 1 ECM-205 < DTC/CIRCUIT DIAGNOSIS > [MR20DD] C D E F G H I J K L M A ECM N P O 3. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector. 4. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector 5. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace malfunctioning part. 4. REPLACE A/F SENSOR 1 Replace malfunctioning A/F sensor 1. Refer to . CAUTION: • Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one. • Before installing new A/F sensor, clean exhaust system threads. >> INSPECTION END + − Continuity A/F sensor 1 ECM Connector Terminal Connector Terminal F74 1 F16 64 Existed 2 72 + Ground Continuity A/F sensor 1 Connector Terminal F74 1 Ground Not existed 2 + Ground Continuity ECM Connector Terminal F16 64 Ground Not existed 72 |