Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Brake Warning System Schematics Connector End View Reference: Body Control System Connector End Views in Body Control System | |||
1 | Did you perform the Hydraulic Brake Diagnostic System Check? | Go to Step 2 | |
2 |
Does the scan tool indicate that the Park Brake Switch parameter is ON? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the scan tool indicate that the Park Brake Switch parameter is ON? | Go to Step 5 | Go to Step 4 |
4 | Test the signal circuit of the park brake switch for a open circuit. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
5 | Inspect for poor connections at the harness connector of the park brake switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
6 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
7 | Replace the park brake switch. Refer to Parking Brake Indicator Switch Replacement in Park Brake. Did you complete the repair? | Go to Step 9 | -- |
8 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the repair? | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
