mm28 Anti Lock Braking Systems ABS for Trucks, Tractors, and Buses C Version

3 Troubleshooting

Figure 3.6

TOOTH WHEEL

TOOTH WHEEL

SENSOR

PNEUMATIC ELECTRIC

TOOTH WHEEL

SENSOR ECU

6x2

1

3 2

6x2

SENSOR

1

2 3

ABS MODULATOR VALVES

ABS MODULATOR VALVES

6x4 6x6

1

2 3

SENSOR

6x4 6x2

TOOTH WHEEL

SENSOR

SENSOR

TOOTH WHEEL

TOOTH WHEEL

1

2 3

1000424a

Figure 3.6

Figure 3.7

TOOTH WHEEL

TOOTH WHEEL SENSOR

PNEUMATIC ELECTRIC

SENSOR ECU

1

2

4x2 4x4

CHECK VALVE

1

2

ABS MODULATOR VALVES

ABS MODULATOR VALVES

6x4 6x6

CHECK VALVE

1

2 3

ATC VALVES

6x4 6x2

SENSOR

TOOTH WHEEL

1

2 3

SENSOR

TOOTH WHEEL

1000425a

Figure 3.7

WABCO Maintenance Manual MM-28 (Revised 03.2020)

17