Pretest Checks

Ensure master cylinder reservoir is full and parking brake is fully released. Ensure fuses are okay. Check following connectors for good contact:

• ABS control module 25-pin connector.
• HEIC 12-pin and 28-pin connectors.
• Master cylinder reservoir 2-pin connector.
• Each wheel speed sensor 2-pin connector.
• Stoplight switch 2-pin connector.
• ABS ground connection, located near pump motor relay.