Toyota Tundra (2015 year). Manual — part 213
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000005PVD000X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: SYSTEM DIAGRAM; 2015 MY Tundra [08/2014 -
]
SYSTEM DIAGRAM
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: SYS...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000005PVA000X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: SYSTEM DESCRIPTION; 2015 MY Tundra [08/2014
- ]
SYSTEM DESCRIPTION
1. FUNCTION DESCRIPTION
Text in Illustration
*1 Trailer Brake Control ECU (Brake Control with Bracket Relay)
*2 Trailer Brake TYPE Selection Button
*3 GAIN (+/-) Selection Button
*4 Manual Trailer Brake Output Slider
(a) Trailer Brake TYPE Selection Button:
(1) The trailer brake type can be set by operating the trailer brake TYPE selection button.
(b) GAIN (+/-) Selection Button:
The gain value can be adjusted from 0 (no trailer brake) to 10 (maximum output) in 0.5 increments.
The gain value can be continuously increased/decreased by pressing and holding the button.
The gain value is displayed on the combination meter (multi-information display).
(c) Manual Trailer Brake Output Slider:
outputs is output to the trailer brake.
2. SETTING THE GAIN
(a) It is necessary to set the gain value according to the specific towing condition.
Adjust the gain setting every time the vehicle load, trailer load, road condition or weather changes.
When the gain value is set to 0 (no trailer brake), there is no output from the trailer brake control ECU
(brake control with bracket relay).
3. TRAILER BRAKE TYPE SETTING
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: SYS...
(a) The trailer brake type can be set by operating the trailer brake TYPE selection button.
(1) Trailer brake type
Cycles between "Electric" and "Electric + Hydraulic".
"Electric" is set when an electric type trailer brake is connected.
"Electric + Hydraulic" is set when an electric + hydraulic type trailer brake is connected.
When the trailer brake TYPE selection button is pressed, the trailer brake type is shown on the
combination meter (multi-information display).
4. FUNCTION OF COMPONENTS
COMPONENTS
FUNCTIONS
Trailer brake control ECU (Brake
control with bracket relay)
Receives the brake pedal operation signal from the skid
control ECU and outputs a signal to the trailer brake.
When the manual trailer brake output slider is operated,
outputs a signal to the trailer brake.
When the GAIN (+/-) selection button is operated, sets the
When the trailer brake TYPE selection button is operated,
sets the trailer brake type.
Skid control ECU
Outputs the vehicle speed signal and master cylinder pressure signal
to the trailer brake control ECU (brake control with bracket relay).
ECM
Outputs the shift position signal to the trailer brake control ECU (brake
control with bracket relay).
Combination
meter
Multi-information
display
Displays the trailer link state.
Displays the gain value.
Displays output according to the manual trailer brake output
slider operation.
Displays the trailer brake type.
Displays error notifications.
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: SYS...
NEXT
NEXT
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000005PV9000X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING;
2015 MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
*: Use the Techstream.
1.
VEHICLE BROUGHT TO WORKSHOP
2.
CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer and confirm the problem
.
3.
CHECK FOR DTC*
(a) Check for DTCs
.
(b) Clear the DTCs
.
(c) Reconfirm the DTCs.
(1) Reconfirm the DTCs based on the recorded DTCs (
).
HINT:
When a DTC is output, refer to the following
.
When DTCs indicating a CAN communication system malfunction are output, first troubleshoot and repair
the CAN communication system
.
Result
RESULT
PROCEED TO
DTC is output
A
DTC is not output (Problem symptom does not occur)
B
DTC is not output (Problem symptom occurs)
C
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: HOW...
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