P0140
DTC P0140: O2 Sensor (HO2S) Circuit No Activity Detected (Sensor-2, Bank-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".
^ The following DTCs are not detected: DTCs related to HO2S heater
1. With ignition switch turned 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. Check DTC and pending DTC.
DTC Troubleshooting