Code Enable Criteria
WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.
Following conditions must be met for DTC diagnostic test to run:
- No related DTCs set.
- Engine run time is 120 seconds or more.
- HO2S heater is operating normally, and HO2S has reached operating temperature.
- Engine is running in closed loop mode.
- Bank 1 HO2S-2 signal voltage is between 426-474 mV.