Brake Warning Indicator Always On
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Brake Warning Indicator Always On
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Brake Warning System Schematics | |||
| 1 | Did you review the brake warning system circuit description and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Hydraulic Brakes |
| 2 | With the ignition switch ON, observe the brake warning indicator and perform a brake warning system test by meeting each of the conditions described in the circuit description. Did the brake indicator illuminate and turn off for each condition? |
Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
| 3 | Disconnect the brake fluid level switch connector. Did the brake indicator turn off? |
Go to Step 4 | Go to Step 5 |
| 4 | Replace the brake fluid reservoir (which contains the fluid level switch). Refer to Master Cylinder Reservoir Replacement . Did you complete the repair? |
Go to Step 11 | - |
| 5 | Disconnect the DRL control module connector. Did the brake indicator turn off? |
Go to Step 7 | Go to Step 6 |
| 6 | Repair the short to ground in the brake indicator control circuit. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you correct the condition? |
Go to Step 11 | - |
| 7 |
|
Go to Step 11 | Go to Step 8 |
| 8 | Test the park brake switch for a short to ground. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find the condition? |
Go to Step 9 | Go to Step 10 |
| 9 | Replace the park brake switch. Did you complete the repair? |
Go to Step 11 | - |
| 10 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement
in Lighting Systems. Did you complete the repair? |
Go to Step 11 | - |
| 11 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |