Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Ignition ON.
- Verify no HO2S heater DTCs are set.
- If a HO2S heater DTC is set.
Refer to DTC P0030-P0032, P0036-P0038, P0053, P0054, P0135 or P0141 .
- If no HO2S heater DTC is set.
- If a HO2S heater DTC is set.
- Allow the engine to reach operating temperature, engine running.
- Verify the scan tool HO2S 1 or 2 voltage parameters are between 50-1050 mV.
- If not between 50-1050 mV.
Refer to Circuit/System Testing .
- If between 50-1050 mV.
- If not between 50-1050 mV.
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
- Verify the DTC does not set.
- If the DTC sets.
Refer to Circuit/System Testing .
- If the DTC does not set.
- If the DTC sets.
- All OK.