Problem Symptoms Table
HINT:
Use PROBLEM SYMPTOMS TABLE to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Reference |
|---|---|---|
| Low pedal or spongy pedal | Fluid leaks in brake system | HYDRAULIC BRAKE BOOSTER |
| Air in brake system | BRAKE SYSTEM | |
| Piston seals (worn or damaged, front) | FRONT BRAKE | |
| Piston seals (worn or damaged, rear) | REAR BRAKE | |
| Hydraulic brake booster (faulty) | HYDRAULIC BRAKE BOOSTER | |
| Brake drag | Brake pedal free play (minimum) | BRAKE PEDAL |
| Parking brake lever travel (adjustment necessary) | PARKING BRAKE LEVER | |
| Parking brake wire (stuck) | - | |
| Parking brake shoe clearance (adjustment necessary) | REASSEMBLY | |
| Pad (cracked or distorted, front) | FRONT BRAKE | |
| Pad (cracked or distorted, rear) | REAR BRAKE | |
| Piston (stuck or frozen, front) | FRONT BRAKE | |
| Piston (stuck or frozen, rear) | REAR BRAKE | |
| Tension or return spring (faulty) | PARKING BRAKE ASSEMBLY | |
| Hydraulic brake booster (faulty) | HYDRAULIC BRAKE BOOSTER | |
| Brake pull | Piston (stuck or frozen, front) | FRONT BRAKE |
| Piston (stuck or frozen, rear) | REAR BRAKE | |
| Pad (oily, cracked or distorted, front) | FRONT BRAKE | |
| Pad (oily, cracked or distorted, rear) | REAR BRAKE | |
| Disc (scored, front) | FRONT BRAKE | |
| Disc (scored, rear) | REAR BRAKE | |
| Hydraulic brake booster (faulty) | HYDRAULIC BRAKE BOOSTER | |
| Brake pedal is depressed firmly but brake is insufficient | Fluid leaks in brake system | HYDRAULIC BRAKE BOOSTER |
| Air in brake system | BRAKE SYSTEM | |
| Pad (worn, cracked, distorted, oily or glazed, front) | FRONT BRAKE | |
| Pad (worn, cracked, distorted, oily or glazed, rear) | REAR BRAKE | |
| Disc (scored, front) | FRONT BRAKE | |
| Disc (scored, rear) | REAR BRAKE | |
| Hydraulic brake booster (faulty) | HYDRAULIC BRAKE BOOSTER | |
| Noise from brakes | Pad (cracked, distorted, dirty or glazed, front) | FRONT BRAKE |
| Pad (cracked, distorted, dirty or glazed, rear) | REAR BRAKE | |
| Installation bolt (loose, front) | FRONT BRAKE | |
| Installation bolt (loose, rear) | REAR BRAKE | |
| Disc (scored, front) | FRONT BRAKE | |
| Disc (scored, rear) | REAR BRAKE | |
| Pad support plate (loose, front) | FRONT BRAKE | |
| Pad support plate (loose, rear) | REAR BRAKE | |
| Sliding pin (worn) | FRONT BRAKE | |
| Tension or return spring (faulty) | PARKING BRAKE ASSEMBLY | |
| Anti squeal shim (damaged, front) | FRONT BRAKE | |
| Anti squeal shim (damaged, rear) | REAR BRAKE | |
| Shoe hold down spring (damaged) | PARKING BRAKE ASSEMBLY | |
| Noise from hydraulic brake booster (abnormal pump motor operation noise) | Accumulator bracket clearance (adjustment necessary) | HYDRAULIC BRAKE BOOSTER |
| Brake warning light lights up*1 (parking brake lever released) | Brake fluid level | BRAKE FLUID |
| Hydraulic brake booster power supply system (faulty) | HYDRAULIC BRAKE BOOSTER | |
| Brake warning light lights up and brake warning buzzer sounds*2 | Hydraulic brake booster power supply system (faulty) | HYDRAULIC BRAKE BOOSTER |
| ABS warning light lights up | Anti lock brake system (faulty) | - |
| Hydraulic brake booster power supply system (faulty) | HYDRAULIC BRAKE BOOSTER |
HINT:
- .1, .3: The light may stay on for about 60 seconds after the engine is started. It is normal if it goes out after a while.
- .2, .3: Depressing the brake pedal repeatedly may turn on the warning light and buzzer. It is normal if the light goes out and the buzzer stops sounding after a few seconds.
- .3: While ABS warning light is ON.