Toyota Tundra (2015 year). Manual — part 2770
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000000XZI058X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: SYSTEM
DIAGRAM; 2015 MY Tundra [08/2014 - ]
SYSTEM DIAGRAM
Communication table:
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
SENDER
RECEIVER
SIGNAL
LINE
Main Body ECU
Multiplex Tilt and Telescopic
ECU
Ignition switch ON signal
Unlock warning switch signal
CAN
Multiplex Tilt and Telescopic
ECU
Front Power Seat Control ECU
and Switch LH
Tilt and telescopic execution
signal
Tilt and telescopic completion
signal
CAN
Front Power Seat Control ECU
and Switch LH
Multiplex Tilt and Telescopic
ECU
Start signal to play tilt and
telescopic steering
Stop signal to play tilt and
telescopic steering
CAN
Combination Meter ECU
Multiplex Tilt and Telescopic
ECU
Vehicle speed signal
CAN
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000XZF058X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: SYSTEM
DESCRIPTION; 2015 MY Tundra [08/2014 - ]
SYSTEM DESCRIPTION
1. FUNCTION OF MAIN COMPONENTS
COMPONENT
FUNCTION
Multiplex tilt and telescopic ECU
This ECU sends a control signal to the power tilt motor and power telescopic
motor, based on signals from each switch, to adjust the steering position.
Power tilt motor (built-in tilt
position sensor)
This motor is activated by a signal from the multiplex tilt and telescopic ECU
and adjusts tilt position.
Tilt position sensor in the motor detects the tilt position by counting the
telescopic position sensor)
This motor is activated by a signal from the multiplex tilt and telescopic ECU
and adjusts the telescopic position.
Telescopic position sensor in the motor detects the telescopic position by
(a) The tilt and telescopic positions can be adjusted as desired by operating the tilt and telescopic manual
switch.
3. AUTO AWAY/RETURN FUNCTION
(a) When the ignition switch is turned OFF, the steering column moves away from the driver, and also tilts up
for easy ingress and egress.
(b) When the ignition switch is turned ON, the steering column returns to the previously set position.
(c) The auto away/return function can be prohibited by using the Techstream.
4. DRIVING POSITION MEMORY FUNCTION
(a) The steering column moves to the previously set position by pressing the seat memory switches.
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
NEXT
NEXT
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000XZ106GX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: HOW TO
PROCEED WITH TROUBLESHOOTING; 2015 MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
Use the following procedures to troubleshoot the power tilt and power telescopic steering column system.
*: 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.
CHECK CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally
.
Result
RESULT
PROCEED TO
CAN DTC is not output
A
CAN DTC is output
B
B
Go to CAN COMMUNICATION SYSTEM
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
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