AR42.50-P-0001-03GS Check Monitoring System
AR42.50-P-0001-03GS Check Monitoring System
- with CODE (979) Special protection version
1 Switch off ignition and detach connector plug (2) from motor/ pump unit (1).
2 Remove pressure in booster circuit (Press brake pedal approx. 30 times).
3 Read off pressure on pressure gauge.
Pressure gauge displays 0 bar: System OK.
Pressure gauge displays residual pressure (> 0 bar): Brake booster hydraulic unit defective.
4 Start engine. The brake pressure additional hydraulics warning lamp (E16/5) must go on within a period of 60 seconds.
Warning lamp (E16/5) stays on: System OK.
Warning lamp (E16/5) goes out: Vehicle electrical system defective.
5 Switch off ignition.
6 Connect connector plug (2) to motor/pump unit (1) (must audibly latch into place).