Toyota Tundra (2015 year). Manual — part 1317
OK
OK
(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
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:
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
OK
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
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
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
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:
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
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Brake Overrid...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000000WZ1178X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: MIL Circuit; 2015 MY Tundra [08/2014 - ]
MIL Circuit
DESCRIPTION
The MIL (Malfunction Indicator Lamp) is used to indicate vehicle malfunction detections by the ECM. When the
ignition switch is turned to ON, power is supplied to the MIL circuit, and the ECM provides the circuit ground
which illuminates the MIL.
The MIL operation can be checked visually: When the ignition switch is first turned to ON, the MIL should be
illuminated and should then turn off when the engine is started. If the MIL remains illuminated or is not
illuminated, conduct the following troubleshooting procedure using the Techstream.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK THAT MIL IS ILLUMINATED
1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: MIL Circuit; ...
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