Brake Warning Indicator Inoperative
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
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 |