Toyota
Jeep Cherokee
 Service Manual
Brakes » Base brake system » Diagnosis and testing
Red brake warning lamp

The red brake warning lamp will illuminate under the following conditions:

  •  Self test at start-up.
  •  Parking brakes are applied.
  •  Leak in front/rear brake hydraulic circuit.

If the red light remains on after start-up, first verify that the parking brakes are fully released. Then check pedal action and fluid level. If the lamp on and the brake pedal is low this indicates the pressure differential switch and valve have been actuated due to a leak in the hydraulic system.

On models with ABS brakes, the amber warning lamp only illuminates during the self test and when an ABS malfunction has occurred. The ABS lamp operates independently of the red warning lamp.

For additional information refer to Group 8W.

    More about «Diagnosis and testing»:

    Base brake system

    Brake lamp switch

    Red brake warning lamp

    Master cylinder/power booster

    Combination valve

    Disc brake rotor

    Brake drum

    Brake line and hoses

    Brake fluid contamination

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