Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Check for the following:
- Open or high resistance in the BLK/WHT wire.
- Open, high resistance or low voltage in the power distribution to the ECU-IG fuse in instrument panel fuse block.
- Open or high resistance in the ground distribution to splice pack 200/G200
- Vehicle charging system for poor performance.
- Faulty cruise control module.
An intermittent may be caused by a poor connection, rubbed through wire insulation or a wire broken inside the insulation. Inspect the following harness connectors for backed out terminals, improper mating, broken lock, improperly formed or damaged terminals or for poor terminal-to-wire connection before replacing the suspect component:
- Cruise control module connector
- Instrument panel fuse block C 6
- Splice pack 200
- Ignition switch