Troubleshoot if specification is not reached Use wiring diagram to troubleshoot

Digital display unit

1 Drive car on braking test stand first front wheels and then rear wheels.

> Switch in brake rollers of test stand for front and rear wheels separately.

► Speed sensor selected by pressing VR, VL, HL, HR buttons (pos. 5.2, 5.3 and 5.5, 5.6)!

Digital display unit

10 to 15 V

1. Repeat test with engine running.

2. Replace control unit.

1. Repeat test with engine running.

2. Replace control unit.

1. Repeat test with engine running.

2. Replace control unit.

Use smallest value if display fluctuates! Note:

Check clearance if 1.5 is displayed.

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