1

Inspect the master cylinder fluid level.

Master cylinder fluid level between MIN and MAX.

The master cylinder reservoir is low or high. Refer to Master Cylinder Reservoir Filling .

2

1. Turn ignition OFF.
2. Park brake not applied.
3. Start the engine.

Brake warning indicator illuminates briefly (approximately 5 seconds).

3

1. Turn the ignition switch to the RUN position.
2. Allow the bulb test to perform.
3. Set the parking brake.
4. Release the parking brake.

The brake warning indicator remains ON only when the parking brake is set.

4

Hydraulic brake system pressure is low in the front or rear brake system.

The brake warning indicator illuminates.

Brake Warning Indicator Inoperative

5

With the vehicle in PARK, perform Brake Pedal Travel Test. Refer to Brake Pedal Travel .

6

Release the brake pedal.

Brake pedal returns to normal height.

Brake Pedal Slow Return

7

1. Turn the ignition OFF.
2. Pump the brake pedal in order to exhaust the vacuum. Pump the brake pedal until the pedal is high and firm.
3. While maintaining pressure on the brake pedal, start the engine.

The brake pedal falls away and then pushes back.

The brake pedal stays high and firm. Refer to Vacuum Booster Diagnosis .

8

1. Press the brake pedal.
2. Shift vehicle into DRIVE.
3. Perform Brake System Test. Refer to Brake System Testing .

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.