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336
DRIVING AND OPERATING
Trailer Brake Control Panel
1. Manual Trailer Brake Apply Lever
2. Trailer Symbol
3. Trailer Gain Adjustment Buttons
The ITBC control panel is on the
instrument panel to the left of the
steering column. The control panel
allows adjustment to the amount of
output, referred to as Trailer Gain,
available to the trailer brakes and
allows manual application of the
trailer brakes. Use the ITBC control
panel and the DIC trailer brake display
page to adjust and display power
output to the trailer brakes.
Trailer Brake DIC Display Page
The ITBC display page indicates:
Trailer Gain setting
Output to the trailer brakes
Trailer connection
System operational status.
To display:
Scroll through the DIC menu pages
Press a Trailer Gain (+) or ( ) button
Activate the Manual Trailer Brake
Apply Lever
TRAILER GAIN:
Press a Trailer Gain button to recall
the current Trailer Gain setting. Each
press and release of the gain buttons
will then change the Trailer Gain
setting. Press the Trailer Gain (+) or
( ) to adjust. Press and hold to
continuously adjust the Trailer Gain.
To turn the output to the trailer off,
adjust the Trailer Gain setting to 0.0.
This setting can be adjusted from 0.0
to 10.0 with a trailer connected or
disconnected.
TRAILER OUTPUT: This displays
anytime a trailer with electric brakes
is connected. Output to the trailer
brakes is based on the amount of
vehicle braking present and relative to
the Trailer Gain setting. Output is
displayed from 0 to 100% for each
gain setting.
The Trailer Output will indicate - - - -
- - on the Trailer Brake Display Page
whenever the following occur:
No trailer is connected.
A trailer without electric brakes is
connected, no DIC message will
display
A trailer with electric brakes has
become disconnected, a CHECK
TRAILER WIRING message displays
on the DIC
There is a fault present in the
wiring to the trailer brakes, a
CHECK TRAILER WIRING message
displays on the DIC
The ITBC system is not working due
to a fault, a SERVICE TRAILER
BRAKE SYSTEM message displays
in the DIC
Manual Trailer Brake Apply Lever
Slide this lever right to apply the
trailer s electric brakes independent of
the vehicle s brakes. Use this lever to
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