Circuit/System Verification
- Engine running, observe the DTC information with a scan tool. Verify that other DTCs are not set.
- If any DTCs are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Observe the DTC information with a scan tool. DTC P1133 should not set.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.