Operating principle
For a detailed description of the brake system, refer to the relevant section "Description and Operation" in the workshop manual. For additional information, refer to:
- Brake system (206-00 Brake system - General information, Description and operating principle)
- Front Disc Brake (206-03 Front Disc Brake, Description and Operating Principle)
- Rear Disc Brake (206-04 Rear Disc Brake, Description and Operating Principle)
- Parking brake (206-05 Parking brake and parking brake actuator, Description and operating principle)
- Hydraulic brake drive (206-06 Hydraulic brake drive, Description and operating principle)
- Vacuum brake booster (206-07 Vacuum brake booster, Description and operating principle).
Inspection and verification
1. Visually inspect for obvious signs of damage and system integrity.
| Mechanical factors | Electrical factors |
| Master brake cylinder
Brake caliper piston(s) Brake discs Wheel bearings Brake pads Vacuum brake booster Vacuum pump Brake pedal lever drive Brake booster vacuum hose Tires | Damaged or corroded wiring harness
Brake fluid level sensor of the master brake cylinder |
2. If an obvious cause for the problem you identified or the customer described is found, correct it (if possible) before moving on to further action.
3. If the cause is not visually obvious, check the problem condition and refer to the Malfunction Symptom Table.
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