Envoy 2WD L6-4.2L (2008)
1. Start the engine and allow it to idle.
2. Verify the ABS indicator or the traction assist indicator remains illuminated.
3. If the ABS indicator or the traction assist indicator remains illuminated, DO NOT proceed to drive the vehicle until it is diagnosed and
repaired. Check the wheel speed sensor electrical connector to ensure it is not damaged and is installed properly. If the lamp remains
illuminated, refer to Symptoms - Antilock Brake System (See: Antilock Brakes / Traction Control Systems/Testing and Inspection/Symptom
Related Diagnostic Procedures/Symptoms - Antilock Brake System) .
4. Select a smooth, dry, clean, and level road or large lot that is as free of traffic and obstacles as possible.
5. Drive the vehicle and maintain a speed of at least 16 km/h (10 mph) for at least 5 seconds.
6. Stop the vehicle and check to see if the ABS indicator or the traction assist indicator is illuminated.
7. If an indicator is illuminated, refer to Diagnostic Starting Point - Antilock Brake System (See: Antilock Brakes / Traction Control
Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview) .
