Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Passive Tests
- The HO2S voltage for both fuel control sensors is more than 470 mV for 20 seconds, 200 mV for 7 seconds on a warm start while the AIR system is commanded on.
- The HO2S voltage for both fuel control sensors do not toggle above 600 mV for 25 seconds, 7 seconds on a warm start while the AIR system is commanded on.
Active Test
- The AIR passive test is inconclusive or failed.
- The HO2S voltage for both fuel control sensors is more than 250 mV for 3 second active tests.