Step | Action | Yes | No |
---|---|---|---|
1 | Did you perform the Hydraulic Brake Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check |
2 |
Does the brake warning indicator illuminate briefly during the bulb check? | Go to Step 3 | Go to Step 12 |
3 |
Does the brake warning indicator illuminate? | Go to Step 4 | Go to Step 5 |
4 | Inspect the brake fluid level. Is the brake fluid level OK? | Go to Step 6 | Go to Brake Fluid Leak |
5 |
Does the scan tool indicate that the Park Brake Switch parameter is On? | Go to Step 10 | Go to Step 7 |
6 |
Does the scan tool indicate that the Low Brake Fluid parameter is On? | Go to Step 9 | Go to Step 8 |
7 |
Did you find and correct the condition? | Go to Step 16 | Go to Step 10 |
8 | Test the signal circuit of the brake fluid level switch for a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 9 |
9 | Test the ground circuit of the brake fluid level switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 11 |
10 | Inspect for poor connections at the harness connector of the park brake warning lamp switch. Refer to and in Wiring Systems. Did you find and correct the condition? | Go to Step 16 | Go to Step 13 |
11 | Inspect for poor connections at the harness connector of the brake fluid level 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 16 | Go to Step 14 |
12 | Inspect for poor connections at the harness connector of the instrument cluster. 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 16 | Go to Step 15 |
13 | Replace the park brake warning lamp switch. Refer to Instrument Panel Park Brake Switch Replacement in Park Brake. Did you complete the replacement? | Go to Step 16 | -- |
14 | Replace the brake fluid level switch. Refer to Master Cylinder Reservoir Replacement . Did you complete the replacement? | Go to Step 16 | -- |
15 | Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console. Did you complete the replacement? | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |