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BASIC SERVICE PROCEDURE EC-41 C D E F G H I J K L M A EC 22. CHECK HEATED OXYGEN SENSOR 1 (BANK 2) SIGNAL Without CONSULT-II 1. Switch the monitored sensor from bank 1 to bank 2. Refer to EC-66, "How to Switch Monitored Sensor from Bank 1 to Bank 2 or Vice Versa" 2. Running engine at 2,000 rpm under no load (The engine is warmed up to normal operating temperature.), OK or NG OK >> INSPECTION END NG (MIL does not come on)>>GO TO 24. 23. CHECK HEATED OXYGEN SENSOR 1 (BANK 1) HARNESS 1. Turn ignition switch OFF and disconnect battery ground cable. 2. Disconnect ECM harness connector. 3. Disconnect heated oxygen sensor 1 (bank 1) harness connector. 4. Check harness continuity between ECM terminal 114 and heated oxygen sensor 1 (bank 1) terminal 1. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 25. NG >> 1. Repair or replace harness between ECM and heated oxygen sensor 1 (bank 1). 2. GO TO 4. 24. CHECK HEATED OXYGEN SENSOR 1 (BANK 2) HARNESS 1. Turn ignition switch OFF and disconnect battery ground cable. 2. Disconnect ECM harness connector. 3. Disconnect heated oxygen sensor 1 (bank 2) harness connector. 4. Check harness continuity between ECM terminal 115 and heated oxygen sensor 1 (bank 2) terminal 1. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 25. NG >> 1. Repair or replace harness between ECM and heated oxygen sensor 1 (bank 2). 2. GO TO 4. 25. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING 1. Reconnect ECM harness connector and heated oxygen sensor 1 harness connector. 2. Perform EC-44, "Accelerator Pedal Released Position Learning" >> GO TO 26. 26. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING Perform EC-44, "Throttle Valve Closed Position Learning" >> GO TO 27. Continuity should exist. Continuity should exist. |