P0141

DTC P0141: HO2S (Bank-1 Sensor-2) Heater Circuit Malfunction

Wiring Diagram:

Wiring Diagram

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure

WARNING:
- When performing a road test, select a place where there is no traffic or possibility of a traffic accident and very careful during testing to avoid occurrence of an accident.
- Road test should be carried out with 2 persons, a driver and a tester, on a level road.

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool if any.
3. Start engine and run engine at idle speed for 1 min.
4. Check DTC and pending DTC by using scan tool.

Step 1 - 3:

Step 4:

DTC Troubleshooting