Toyota Tundra (2015 year). Manual — part 2449
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): SY...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002Y3I00IX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): SYSTEM DESCRIPTION; 2015 MY Tundra
[08/2014 - ]
SYSTEM DESCRIPTION
1. FRONT POWER SEAT CONTROL SYSTEM DESCRIPTION
(a) The driver seat is equipped with slide, reclining, lifter, vertical, lumbar support and leg support adjustment
functions.
(b) The passenger seat is equipped with slide, reclining and lumbar support adjustment functions.
(c) The memory system for the driver seat is provided as standard equipment.
(d) The memory call function for the driver seat is provided as standard equipment.
2. FUNCTION OF MAIN COMPONENT
The following functions are available.
COMPONENTS
FUNCTION
Front seat cushion
frame sub-assembly
Slide motor
Receives signal from front power seat switch, motor operates,
and seat slides forward and rearward.
Vertical motor*1
Receives signal from front power seat switch, and seat cushion
front rises and lowers vertically.
Lifter motor*1
Receives signal from front power seat switch, and seat cushion
rises and lowers vertically.
Front power seat
cushion control motor
LH*1
Receives signal from leg support adjustment switch, motor
operates, and seat cushion front opens and closes.
Front seatback frame
sub-assembly
Reclining motor
Receives signal from front power seat switch, motor operates,
and seat tilts and reclines.
Lumbar support
adjuster assembly
Front lumbar support
motor
Receives signal from front power seat lumbar switch, and
lumbar support can be adjusted.
Seat position sensor*1
Based on the switch operation, seat adjuster signals are input
to the power seat switch to adjust the seat accordingly.
Position control ECU and switch assembly*1
Based on switches operated, seat adjuster signals are input
into position control ECU and seat is adjusted accordingly.
Front power seat switch RH*2
Operates the motor built into the lumbar support adjuster
assembly according to switch operation.
Front power seat switch (lumbar support
control)
Based on switches operated, seat adjuster signals are input
into switch and seat is adjusted accordingly.
Front power seat switch LH (seat cushion
control)*1
Based on switches operated, seat adjuster signals are input
into switch and seat is adjusted accordingly.
Seat memory switch*1
When SET switch and memory switch are pressed
simultaneously, signal is input to outer mirror control ECU and
seat position is recorded.
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): SY...
COMPONENTS
FUNCTION
Then, when memory switch is pressed, signal is input to outer
mirror control ECU and seat position changes according to
memory.
*1: for Driver Side
*2: for Passenger Side
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): SY...
NEXT
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Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002Y3E00LX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): HOW TO PROCEED WITH
TROUBLESHOOTING; 2015 MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
Use the following procedures to troubleshoot the front power seat control system.
*: Use the Techstream.
1.
VEHICLE BROUGHT TO WORKSHOP
2.
CUSTOMER PROBLEM ANALYSIS
In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions
should be discarded in order to make an accurate judgment. To clearly understand what the problem
symptoms are, it is extremely important to ask the customer about the problem and the conditions at
the time the malfunction occurred.
Gather as much information as possible for reference. Past problems that seem unrelated may also
help in some cases.
The following 5 items are important points in the problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency
Where
Road conditions
Under what conditions?
Driving conditions, weather conditions
How did it happen?
Problem symptoms
3.
INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): HO...
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