GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Turn the ignition switch to the RUN position.

Is the BRAKE warning indicator on?

--

Go to Step 2

Refer to Brake Warning Indicator Inoperative in Hydraulic Brakes.

2

  1. Disconnect the park brake indicator switch.
  2. Turn the ignition switch to the RUN position.
  3. Connect a fused (3-amp) jumper between the park brake switch harness connector terminal A and ground.

Is the BRAKE warning indicator on?

--

Go to Step 3

Go to Step 4

3

Replace the park brake indicator switch. Refer to Parking Brake Indicator Switch Replacement in Parking Brake.

Has the repair been made and the system rechecked?

--

System OK

--

4

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the daytime running lamps control module connector C2.
  3. Turn the ignition switch to the RUN position.
  4. Connect a fused (3-amp) jumper between the daytime running lamps control module connector C2 terminal D and ground.

Is the BRAKE warning indicator on?

--

Go to Step 5

Go to Step 6

5

  1. Check for a poor connection or an open in CKT 1134.
  2. If OK, replace the daytime running lamp (DRL) control module. Refer to Daytime Running Lights (DRL) Control Module Replacement in Lighting Systems.

Has the repair been made and the system rechecked?

--

System OK

--

6

Repair the poor connection or open in CKT 33 between S207 and the daytime running lamp (DRL) control module connector C2 terminal D.

Has the repair been made and the system rechecked?

--

System OK

--