Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by operating the parking brake to duplicate the condition.
2. Inspect to determine if one of the following apply:
Visual Inspection Chart
Mechanical
- Damaged parking brake control
- Binding/damaged parking brake cables
- Improperly adjusted parking brake cables

Electrical
- Damaged Power Distribution Box Fuse 12 (15A)
- Damaged Steering Column/Ignition Lighting Control Module
- Damaged Parking Brake Switch
- Damaged Parking Brake Release Actuator
- Circuitry open/shorted

3. If inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concerns remain after the inspection, connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) located beneath the instrument panel to perform DATA LINK DIAGNOSTIC TEST.
If the New Generation Star (NGS) Tester responds with NO RESPONSE/NOT EQUIPPED for steering column/ignition lighting control module, refer to Lighting & horns.
If the DATA LINK DIAGNOSTIC TEST is passed for the steering column/ignition lighting control module, retrieve continuous Diagnostic Trouble Codes (DTCs) and execute Self Test Diagnostics for steering column/ignition lighting control module.
5. If the self test is passed and no diagnostic trouble codes (DTCs) are retrieved, go to the Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures