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243
4-5. Using the driving support systems
4
Driving
TUNDRA_U_17MY_OM34594U
Trailer brake TYPE selection button
Trailer brake type can be selected by pressing the trailer brake TYPE
selection button on the trailer brake controller. Trailer brake TYPE selec-
tion button will cycle through electric trailer brake and electric-over-
hydraulic trailer brakes. The combination meter will show which trailer
brake type is selected in the multi-information display after pressing the
trailer brake TYPE selection button.
Manual TRAILER BRAKE OUTPUT slider
Adjusting this slider position will engage the trailer’s brakes only. If the
manual TRAILER BRAKE OUTPUT slider is used while the vehicle
brake is applied, the greater of the two outputs will be sent to the trailer
brakes.
Gain setting on trailer brake controller should be set for a specific tow-
ing condition. Gain setting should be adjusted each time the vehicle
load, trailer load, road conditions, or weather changes. Setting the
gain value to 0 will disable the trailer brake controller output.
Make sure the trailer brakes are in good working condition and
functioning normally. See trailer dealer if necessary.
Hook up the trailer and make proper electrical connections.
With trailer brake TYPE selec-
tion button, select the correct
type of trailer brakes that are
equipped on the trailer.
Drive vehicle with trailer attached on a level road surface similar to
towing condition and in traffic-free environment. Driving speed
should be approximately 20 - 25 mph [35 - 40 km/h].
Using the GAIN (+/-) selection
buttons, set a starting gain of
5.0.
Setting the Gain
3
4
1
2
3
4
5
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