On-Vehicle Testing: Notes
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Pontiac Sunfire, 1999 Pontiac Grand Prix, 1999 Pontiac Grand Am, 1999 Pontiac Firebird, and 1999 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Vehicles are equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate
AIR BAG RESTRAINT SYSTEMS article.
NOTE:
The following tests assume that engine and battery are operating normally and are at operating temperature, battery is charged, there are no engine problems that would cause a no-start condition, and no diagnostic trouble codes are present.