Code Enable Criteria
For DTC to run, the following conditions must be met:
- DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P121, P0122, P0123, P0135, P0141, P0155, P0161, P0200, P0300, P0410, P0440, P0442, P0446, P0452, P0453, P1258, P1415, P1416, or P1441 are not set.
- Engine run time is more than 409 seconds.
- Ignition 1 signal is 9-18 volts.
- Engine is in closed loop.
- Secondary Air Injection (AIR) and catalyst diagnostics are not active.
DTC will set when HO2S signal voltage is steady between 409-489 mV for 145 seconds and Throttle Position (TP) changes more than 5 percent within one second, 6 times.