P0141

WIRING DIAGRAM

Detecting Condition/Trouble Area:

DTC CONFIRMATION PROCEDURE

NOTE: Check to make sure that following conditions are satisfied when using this "DTC CONFIRMATION PROCEDURE".

- Intake air temp.: -8 °C (18 °F) or higher
- Engine coolant temp.: -8 - 110 °C (18 - 230 °F)
- Altitude (barometric pressure) : 2400 m, 8000 ft or less (560 mmHg (75 kPa) or more)

1. Connect scan tool with ignition switch OFF
2. Turn ON ignition switch and clear DTC, pending DTC and freeze frame data in ECM memory by using scan tool and start engine.
3. Increase vehicle speed to 50 - 60 km/h (30 - 40 mph).
4. Keep driving above vehicle speed for 5 min. (Change of vehicle speed is permitted in this step).
5. Stop vehicle and check if pending DTC exists by using scan tool. If not, check if oxygen sensor heater monitoring test has completed by using scan tool. If not in both of above checks (i.e., no pending DTC and oxygen sensor heater monitoring test not completed), check vehicle conditions (environmental) and repeat Steps 3) through 5).

Steps 1 - 4:

TROUBLESHOOTING