Toyota Tundra (2015 year). Manual — part 2450
NEXT
A
A
4.
CHECK COMMUNICATION FUNCTION OF 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
5.
CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output
.
(b) Clear the DTCs
.
(c) Check for DTCs
.
Result
RESULT
PROCEED TO
DTCs are not output
A
DTCs are output
B
B
Go To DIAGNOSTIC TROUBLE CODE CHART
6.
PROBLEM SYMPTOMS TABLE
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): HO...
A
NEXT
NEXT
(a) Refer to Problem Symptoms Table
.
Result
RESULT
PROCEED TO
Fault is not listed in problem symptoms table
A
Fault is listed in problem symptoms table
B
B
ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH
PROBLEM SYMPTOMS TABLE
7.
OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Operation Check
(b) Data List / Active Test
REPAIR OR REPLACE
9.
CONFIRMATION TEST
NEXT
END
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): HO...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002Y3J00RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): OPERATION CHECK; 2015 MY Tundra
[08/2014 - ]
OPERATION CHECK
1. CHECK FRONT POWER SEAT FUNCTION
(a) Check the basic functions.
(1) Operate the power seat switches and check to make sure each seat function works:
Sliding
Vertical (for Driver Side)
Lifter (for Driver Side)
Reclining
Lumbar support
Leg support (for Driver Side)
2. CHECK POWER SEAT MOTOR ASSEMBLY (SLIDING, FRONT VERTICAL, LIFTER,
RECLINING, LUMBAR SUPPORT AND LEG SUPPORT)
(a) Check the PTC operation inside the power seat motor.
HINT:
The PTC thermistor's resistance increases when the power seat switch is held down even after the power
seat has been moved to the maximum in one direction. If the resistance increases beyond a specified level,
current is cut to prevent a short circuit.
NOTICE:
The inspection should be performed with the seat installed in the vehicle.
Perform the 4 steps below for each power seat function.
(1) Choose a power seat function. Operate the power seat switch and move the seat as much as possible in
one direction. Keep the seat in that position for approximately 60 seconds.
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): OP...
(2) Operate the power seat switch again and continue to try to move the seat in the same direction as in
Standard:
4 to 90 seconds
(3) After current has been cut, release the power seat switch and wait for approximately 60 seconds.
(4) Operate the same power seat switch and move the seat in the opposite direction. Check that the motor
operates.
3. CHECK MEMORY AND SEAT RESTORING OPERATION
(for Driver Side)
(a) Turn the ignition switch to ON and move the shift lever to P.
(b) Move the seat to the maximum front and upper positions via the
seat switch.
(c) Check that the buzzer sounds for 0.5 seconds and the seat
position is memorized when the M1 switch and SET switch are
pressed and held.
(e) Check that the buzzer sounds for 0.5 seconds and the seat
position is memorized when the M2 switch and SET switch are
pressed and held.
(f) Check that the buzzer sounds for 0.1 seconds and the seat
automatically moves into the maximum front and upper positions
(g) Check that the buzzer sounds for 0.1 seconds and the seat
memory switch is pressed.
(h) After turning the ignition switch to ON and moving the shift lever
to P, check that the buzzer sounds for 0.1 seconds and the seat
automatically moves into the memorized position when the M1 or
M2 switch is pressed.
(i) After the ignition switch is turned OFF and the driver side door is
opened, check that the buzzer sounds for 0.1 seconds and the
seat automatically moves into the memorized position when the
M1 or M2 switch is pressed within 30 seconds.
(j) After turning the ignition switch to ON and moving the shift lever
to P, check that the buzzer sounds for 0.1 seconds and the seat
automatically moves into the memorized position when the M1 or
M2 switch is pressed.
(k) Check that the following procedures erase the recorded seat
cable from the negative (-) battery terminal; and wait for 3
minutes.
SEAT: FRONT POWER SEAT CONTROL SYSTEM (w/ Memory): OP...
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