BENDIX M-21-M-22 ANTILOCK MOD ASSY Spezifikationen PDF herunterladen (Seite 11)

2 Stability and Safety Enhancement Systems

Meritor WABCO Maintenance Manual MM-0112 (Revised 05-13)

Figure 2.3

Switch and lamp locations as well as ATC switch configuration will

vary depending on the vehicle make and model. Please check with

the vehicle manufacturer for correct information.

Here’s how the ATC switch works.

NOTE: Turning off the ignition will also deactivate either ATC

function.

Roll Stability Control (RSC)

Roll stability control is an option designed to assist drivers in

managing the conditions that may result in vehicle rollovers. When

RSC senses conditions that may result in a rollover, it may reduce

engine torque, engage the engine retarder, apply pressure to the

drive axle brakes and may modulate the trailer brakes to slow the

vehicle down. Depending on the application and vehicle

configuration, the steer axle brakes may be applied as well.

Similar to ATC, RSC works automatically. The driver does not have to

select this feature.

RSC Components

RSC uses many of the same components used by ABS/ATC

including modulator valves, active braking valves and wheel speed

sensors. RSC ECUs are different from ABS ECUs as they contain an

internal accelerometer that measures and updates the lateral

acceleration of the vehicle and compares it to a critical threshold at

which rollover may occur.

Depending on the vehicle manufacturer, RSC ECUs have orientation

on the XX/YY or ZZ axis. For correct operation and the best

performance, verify the ECU is correctly leveled and securely

mounted. Figure 2.4, Figure 2.5 and Figure 2.6.

Figure 2.4

Figure 2.3

Driver Action

System

Response

Function

Active

Not

Active

Press ATC switch ATC lamp blinks

continuously

Press ATC switch

again

ATC lamp stops

blinking

1002018a

Figure 2.4

4010606a

Z ± 2°

X ± 2°

DRIVING

DIRECTION

+92°

-2°

XX Orientation

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 97 98

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