Code Enable Criteria
For DTC to run, the following conditions must be met:
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0200, P0300, P0410, P0440, P0442, P0446, P0452, P0453, P1258, P1415, P1416, or P1441 are not set.
- Ignition 1 signal is 9-18 volts.
- Secondary Air Injection (AIR) and the catalyst diagnostics are not active.
- Engine is in closed loop.
- Engine run time is more than 409 seconds.
DTC will set when HO2S signal voltage remains between 350-550 mV for 57 seconds.