Except E4OD

Diagnostic Reference Values:

NOTES:

(1) -- A/C ON
(2) -- Monitor in DCV Manual Mode, Reference Pin to PWR GRD (40/60)
(3) -- HO2S should switch from rich (red LED) to lean (green LED), or lean to rich, at least once every 3 seconds. HO2S voltage should toggle above and below .450 DCV and should never be a negative value.

Reference values shown may vary ±20% depending on operating conditions and other factors. RPM values are axle and tire dependent.