Brake Warning Indicator Inoperative
Brake Warning Indicator Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Hydraulic Brake Schematics | |||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to DIAGNOSTIC SYSTEM CHECK - VEHICLE |
| 2 |
|
Go to Step 3 | Go to Step 11 |
| 3 | Apply the park brake. Does the red Brake indicator illuminate? |
Go to Step 4 | Go to Step 5 |
| 4 |
|
Go to Step 10 | Go to Step 7 |
| 5 |
|
Go to Step 9 | Go to Step 6 |
| 6 | Test the signal circuit of the park brake switch for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 11 |
| 7 | Test the signal circuit of the brake fluid level switch for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 8 |
| 8 | Test the ground circuit of the brake fluid level switch for a high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 11 |
| 9 | Inspect for poor case ground or poor connections at the harness connector of the park brake switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 12 |
| 10 | 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
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 13 |
| 11 | 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
. Did you find and correct the condition? |
Go to Step 15 | Go to Step 14 |
| 12 | Replace the park brake switch. Refer to Park Brake Lever Assembly Replacement
. Did you complete the repair? |
Go to Step 15 | - |
| 13 | Replace the brake fluid level switch. Refer to Master Cylinder Fluid Level Sensor Replacement . Did you complete the repair? |
Go to Step 15 | - |
| 14 | Replace the BCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the repair? |
Go to Step 15 | - |
| 15 | Operate the vehicle in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |