Toyota Tundra (2015 year). Manual — part 223
COMPONENTS
FUNCTIONS
BRAKE warning light
Illuminates to inform the driver that the parking brake is ON when the
occurred.
SLIP indicator light
Illuminates to inform the driver when the engine has failed. However, VSC
continues as much as possible.
Blinks to inform the driver that TRAC, VSC, AUTO LSD or trailer sway
control is operating.
Illuminates to inform the driver that a malfunction has occurred in the
TRAC or VSC system.
Blinks to indicate DTCs that relate to the VSC.
AUTO LSD indicator light Illuminates to inform the driver that the AUTO LSD is ready to operate.
Stop light control relay
(BRK NO. 1)
Receives a signal from the skid control ECU and illuminates the stop light when the
vehicle decelerates due to trailer sway control.
Stop light control relay
(BRK NO. 2)
Because the brake pedal could move down when the VSC system is activated
(booster solenoid is turned ON) even though the driver is not depressing the brake
pedal, this relay prevents the stop light from turning ON.
*1: w/o Multi-information Display
*2: w/ Multi-information Display
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: ...
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A
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000001DWP036X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY 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.
INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
3.
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
(a) Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions
in the communication system.
Result
RESULT
PROCEED TO
DTC is not output
A
DTC is output
B
GO TO CAN COMMUNICATION SYSTEM
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: ...
NEXT
NEXT
NEXT
NEXT
4.
CHECK DTC AND FREEZE FRAME DATA*
5.
CLEAR DTC AND FREEZE FRAME DATA*
6.
PROBLEM SYMPTOM CONFIRMATION
7.
DTC CHECK AND CLEAR*
8.
PROBLEM SYMPTOM CONFIRMATION
Result
RESULT
PROCEED TO
Symptom does not occur
A
Symptom occurs
B
B
GO TO STEP 11
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: ...
A
NEXT
A
NEXT
9.
SYMPTOM SIMULATION
10.
CHECK FOR DTC (OTHER THAN CAN COMMUNICATION SYSTEM DTC)*
Result
RESULT
PROCEED TO
DTC is not output
A
DTC is output
B
B
GO TO STEP 12
11.
PROBLEM SYMPTOMS TABLE
NEXT
GO TO STEP 14
12.
DTC CHART
13.
CIRCUIT INSPECTION*
BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: ...
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