For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the hydraulic brakes diagnostic system check? | Go to Step 2 | Go to Hydraulic Brake Diagnostic System Check
2 | Inspect the brake fluid level. Is the brake fluid level OK? | Go to Step 3 | Go to Brake Fluid Leak
3 |

1. Turn OFF the ignition.
2. Disconnect the park brake indicator switch.

Is the brake warning indicator still on?

Go to Step 4

Go to Step 5

4 | Disconnect the brake fluid level indicator sensor. Is the brake warning indicator still on? | Go to Step 6 | Go to Step 7
5 | Replace the park brake indicator switch. Refer to Parking Brake Indicator Switch Replacement in Park Brake. Did you complete the replacement? | Go to Step 10 | --
6 | Test the signal circuit of the park brake indicator switch for a short to ground. For domestic vehicles, also test the signal circuit of the daytime running lamps control module (DRL) for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 10

Go to Step 8

7 | Replace the brake fluid level indicator sensor. Refer to Brake Fluid Level Indicator Switch Replacement in Hydraulic Brakes. Did you complete the replacement? | Go to Step 10 | --
8 | Test the signal circuit of the brake fluid level indicator sensor for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9
9 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console. Important: Perform the set up procedure for the IP. Did you complete the replacement and the set up procedure? | Go to Step 10 | --
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2