ANTI-LOCK BRAKING SYSTEM OPERATING INFORMATION PART 7: STARTING & OPERATING THE VEHICLE
– 116 – Y53-6032 (05/10)
Truck Chassis Modifications
The ESP system was specifically calibrated and validated
only for your vehicle’s original factory-built configuration. If
your vehicle’s chassis components are altered (for exam-
ple; a wheelbase extension or reduction, tag axle addition
or removal, tractor to truck conversion or steering system
component change) the ESP system must be disabled
immediately by a qualified mechanic.
WARNING! Failure to disable ESP “Electronic
Stability Program” when modifying a vehicle
could result in a loss of vehicle control possi-
bly resulting in death or severe personal
injury.
WARNING! For vehicles equipped with ESP
“Electronic Stability Program” do not replace
the vehicle’s steering wheel. Using a different
steering wheel could cause ESP to malfunc-
tion causing a loss of vehicle control possibly
resulting in death or severe personal injury.
Steering Angle Sensor Re-Calibration
Whenever maintenance or repair work is performed to the
steering mechanism, linkage, gear, adjustment of the
wheel track, or if the steering angle sensor is replaced or
the steering wheel is changed or re-centered, the Steer-
ing Angle Sensor must be re-calibrated.
WARNING! If the Steering Angle Sensor is not
re-calibrated, the Yaw Control system will not
function properly, which could result in a loss
of control of your vehicle, death or personal
injury.
Wheel Spin Control Warning Lamp
Your truck/tractor ABS may have an acceleration slip reg-
ulation (ASR) or automatic traction control (ATC) feature.
This feature is controlled by a switch as shown in the next
illustration. Either of these features is monitored by a
warning lamp located on the main dash.
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ATC
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Y53-6032.book Page 116 Monday, May 24, 2010 3:37 PM
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