Toyota Tundra (2015 year). Manual — part 2061
A
OK
2.
READ VALUE USING TECHSTREAM (MASTER CYLINDER SENSOR)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG) and turn the Techstream on.
(c) Start the engine.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List / Master Cylinder Sensor.
(e) Read the value displayed on the Techstream.
TECHSTREAM
DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
Master Cylinder
Sensor
Master cylinder pressure sensor
reading/
Min.: 0.00 V, Max.: 5.00 V
Brake pedal released: 0.30 to 0.90 V
Reading increases when brake pedal is
depressed
OK:
When the pedal is depressed, the voltage displayed on the Techstream increases.
NG
INSPECT BRAKE ACTUATOR ASSEMBLY
3.
READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH AND ST1)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Enter the following menus: Powertrain / Engine and ECT / Data List / Stop Light Switch and
ST1.
(d) Check the Data List indication when the brake pedal is depressed and released.
OK:
TECHSTREAM DISPLAY
CONDITION
SPECIFIED CONDITION
Stop Light Switch
Brake pedal released
OFF
Brake pedal depressed
ON
ST1
Brake pedal released
OFF
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
OK
OK
TECHSTREAM DISPLAY
CONDITION
SPECIFIED CONDITION
Brake pedal depressed
ON
NG
INSPECT STOP LIGHT SWITCH ASSEMBLY
4.
INSPECT BRAKE PEDAL
(a) Inspect and adjust the brake pedal
.
HINT:
NG
REPAIR OR REPLACE BRAKE PEDAL
5.
READ VALUE USING TECHSTREAM (ACCELERATOR PEDAL POSITION SENSOR)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Enter the following menus: Powertrain / Engine and ECT / Data List / Accel Sens. No. 1 Volt %
and Accel Sens. No. 2 Volt %.
(d) Read the value displayed on the Techstream.
OK:
TECHSTREAM
DISPLAY
CONDITION
SPECIFIED CONDITION
Accel Sens. No. 1 Volt
%
Accelerator Pedal
Released → Depressed →
Released
Values smoothly change following accelerator pedal
operation
Accel Sens. No. 2 Volt
%
HINT:
.
NG
REPLACE ACCELERATOR PEDAL SENSOR
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
OK
OK
ASSEMBLY
6.
READ VALUE USING TECHSTREAM (VEHICLE SPEED)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Start the engine.
(d) Enter the following menus: Powertrain / Engine and ECT / Data List / Vehicle Speed.
(e) Read the value displayed on the Techstream.
Standard:
TECHSTREAM
DISPLAY
CONDITION
SPECIFIED CONDITION
Vehicle Speed
Vehicle stopped, engine running
0 km/h (0 mph)
Vehicle running at constant speed between 16.1 to
64.4 km/h (10 to 40 mph)
No large fluctuations when driving at
a constant speed
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data
after performing the drive test.
NG
GO TO VEHICLE SPEED SENSOR "A"
7.
READ VALUE USING TECHSTREAM (FR, FL, RR, RL WHEEL SPEED)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Start the engine.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Data List / FR Wheel Speed, FL Wheel
Speed, RR Wheel Speed and RL Wheel Speed.
(e) Read the value displayed on the Techstream.
Standard:
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
TECHSTREAM
DISPLAY
CONDITION
SPECIFIED CONDITION
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed
Vehicle stopped, engine running
0 km/h (0 mph)
Vehicle running at constant speed between 16.1 to
64.4 km/h (10 to 40 mph)
No large fluctuations when driving at
a constant speed
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
Data can be captured relatively easily by using the snapshot function in the Data List. Confirm the data
after performing the drive test.
NG
INSPECT FRONT OR REAR SPEED SENSOR
OK
END
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
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