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DTC P0132, P0152 A/F SENSOR 1 EC-273 C D E F G H I J K L M A EC 4. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between the following terminals. 4. Check harness continuity between the following terminals and ground. 5. Also check harness for short to power. OK or NG OK >> GO TO 5. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK INTERMITTENT INCIDENT Perform EC-151, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" OK or NG OK >> GO TO 6. NG >> Repair or replace. 6. REPLACE AIR FUEL RATIO (A/F) SENSOR 1 Replace malfunctioning A/F sensor 1. CAUTION: ● Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a ● Before installing new A/F sensor, clean exhaust system threads (using Oxygen Sensor Thread >> INSPECTION END A/F sensor 1 terminal ECM terminal Bank 1 1 16 2 75 5 35 6 56 Bank 2 1 76 2 77 5 57 6 58 Continuity should exist. Bank 1 Bank 2 A/F sensor 1 terminal ECM terminal A/F sensor 1 terminal ECM terminal 1 16 1 76 2 75 2 77 5 35 5 57 6 56 6 58 Continuity should not exist. |