Initial Inspection and Diagnostic Overview
Inspection and Verification1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Check the operation of the parking brake system with the vehicle on a hoist and the parking brake control fully released. Check for any damaged cables and install new components as necessary. Check the rear brake adjustment or carry out the brake system diagnosis.
Check the parking brake by pulling up on the parking brake control. The parking brake must hold the vehicle on an incline, set by pulling up on the parking brake control before it reaches full travel. If the parking brake system does not operate as specified, check the parking brake system for correct rear brake adjustment, cable operation, and parking brake control operation.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, verify the symptom and GO to Symptom Chart.Symptom Related Diagnostic Procedures