Test Conditions

WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Codes E21, E22, E26, E27, E31 and E32 are clear.
Key is on.
RPM greater than or equal to 400 and MAP 18 degrees or less.
Throttle switch closed.
TPS less than or equal to 18 degrees.
BARO greater than or equal to 68 kPa.