For 1990-2009 cars

## Brake Warning Indicator and Chime Inoperative Buick

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Brake Warning System Check? | -- | Go to Step 2 | Go to Brake Warning System Check
2 |

1. Disconnect the brake fluid level sensor.
2. Connect a J 39200 digital multimeter (DMM) between the brake fluid level sensor harness connector terminal A and battery positive voltage.

Is the measured voltage within the specified range?

10-15V

Go to Step 4

Go to Step 3

3 | Repair an open in CKT 1451 (BLK). Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Brake Warning System Check | --
4 | Replace the brake fluid level sensor. Did you complete the repair? | -- | Go to Brake Warning System Check | --

## Brake Warning Indicator and Chime Inoperative Oldsmobile

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Brake Warning System Check? | -- | Go to Step 2 | Go to Brake Warning System Check
2 |

1. Disconnect the brake fluid level sensor.
2. Connect a J 39200 digital multimeter (DMM) between the brake fluid level sensor harness connector terminal A and battery positive voltage.

Is the measured voltage within the specified range?

10-15V

Go to Step 4

Go to Step 3

3 | Repair an open in CKT 1451 (BLK). Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Brake Warning System Check | --
4 | Replace the brake fluid level sensor. Did you complete the repair? | -- | Go to Brake Warning System Check | --