Using the SSTs (WDS or Equivalent)
HEATED OXYGEN SENSOR INSPECTIONUsing the SSTs (WDS or equivalent)
1. Connect the SSTs (WDS or equivalent) to the DLC.
Specification:
2. Access "O2S11", and "O2S12" PIDs. The WDS or equivalent measures and shows the voltage.
3. If not as specified, inspect the following.
- Intake-air system
- Fuel system
- On-board diagnostic system
4. If these systems are okay, replace the heated oxygen sensor.