P0135

DTC P0135: Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (Bank-1 Sensor-1)

Wiring Diagram:

Wiring Diagram

DTC Detecting Condition And Trouble Area:

DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure

NOTE: Check to make sure that the following conditions are satisfied when using this DTC Confirmation Procedure.
- Intake air temp.: -14 °C, 6.8 °F or higher
- Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC using scan tool.
3. Start engine and warm up to normal operating temperature.
4. Run engine at idle speed for 3 min. or more.
5. Check DTC and pending DTC.

Steps 1 - 4:

DTC Troubleshooting