TOYOTA SIENNA 2018 (in English) Workshop Manual

513. When you think a malfunction has occurred
SIENNA_AAS_OM08023U_(U)
3
When trouble arises
Press the rear side of the seat
position adjustment switch on
the right-hand side of the seat,
and slide the AUTO ACCESS
SEAT toward the rear of the
vehicle until the beep sounds.
If the rear side of the seat position
adjustment switch is pressed and
held while the lower side of the
seat raise/lower switch is being
pressed, the AUTO ACCESS
SEAT will slide towards the front of
the vehicle.
Press and hold the rear side of
the seatback angle adjustment
switch on the right-hand side of
the seat until the seatback auto-
matically stops moving.
If the seatback does not move, pro-
ceed to step .
7
8
9

523. When you think a malfunction has occurred
SIENNA_AAS_OM08023U_(U)
Press and hold the front side of
the seatback angle adjustment
switch on the right-hand side of
the seat until a long beep
sounds.9

533. When you think a malfunction has occurred
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3
When trouble arises
Before conducting this procedure, conduct the procedures explained
in the “Initializing the seat position information” and “If the AUTO
ACCESS SEAT moves when a switch is pressed” sections.
If the AUTO ACCESS SEAT still does not return to the vehicle, the fol-
lowing procedure can be used to return the AUTO ACCESS SEAT to
the vehicle.
Adjust the head restraint to the downmost position. ( →P. 1 0 )
Fold the footrest up. ( →P. 1 3 )
Fold the front pas senger seatback. ( →P. 2 1 )
Remove the 4 clips and remove
the unit cover. ( →P. 57)
Remove the clips from the unit,
and roll back the cover.
( → P. 57)
If the AUTO ACCESS SEAT does not move even when a switch is
pressed
1
2
3
4
Clips5

543. When you think a malfunction has occurred
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Take out the combination
wrench.Removal
Replacement
Remove the connector.
Turn the bolt with yellow mark-
ing using the combination
wrench, and move the AUTO
ACCESS SEAT until the marks
are aligned as shown in the
illustration.
Combination wrench
6
1
2
7
8

553. When you think a malfunction has occurred
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3
When trouble arises
Use the combination wrench to
remove the 2 bolts on the
underside of the AUTO
ACCESS SEAT.
Slide the AUTO ACCESS SEAT
into the vehicle.
Turn the bolt with yellow mark-
ing using the combination
wrench, and move the AUTO
ACCESS SEAT until the bolt
can no longer be turned.9
10
11

563. When you think a malfunction has occurred
SIENNA_AAS_OM08023U_(U)
Turn the bolt with yellow mark-
ing clockwise using the combi-
nation wrench, and slide the
seat until the marks are aligned
as shown in the illustration.
If you are unable to slide the seat
until the marks are aligned
because the right edge of the seat
cushion interferes with the sliding
door, carry out steps and and
slide the seat until the marks are
aligned as shown in the illustration.
Use the combination wrench to
loosen the two bolts, then slide
the motor out of the way and
disconnect it from the gear.
Rotate the seat into a position
which does not cause the left
edge of the seat cushion to
make contact with the vehicle
body.
12
1314
13
14

573. When you think a malfunction has occurred
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3
When trouble arises
Turn the power sliding door main switch off and close the right-hand
sliding door manually.
Have the seat inspected by your Toyota dealer immediately.
The power sliding door will not operate if the AUTO ACCESS SEAT has
been stowed inside the vehicle manually.
For information regarding the power sliding door, refer to the “OWNER’S
MANUAL”.
Contact your Toyota dealer.
■Removing and installing the unit cover clip
■ Alarm sound
If an attempt is made to close the right-hand sliding door while stowing the
AUTO ACCESS SEAT inside the vehicle, beep will sound.
■ When the AUTO ACCESS SEAT has been stowed manually
The shift lever cannot be shifted from P. Shift the shift lever while pressing the
shift lock override button. The vehicle can be driven even though the beep will
continue to sound. For details, refer to the “OWNER’S MANUAL”.
If the AUTO ACCESS SEAT does not move and the beep does
not sound even when the switch is pressed
To r e m o v e
Press the core of the clip and remove
the clip.
To install
Push up the center portion, insert the
clip and press the core of the clip.
15
1
2

583. When you think a malfunction has occurred
SIENNA_AAS_OM08023U_(U)
WARNING
■When stowing the AUTO ACCESS SEAT manually
Do not put your feet or hands in to the AUTO ACCESS SEAT stowage
space.
Your feet or hands may be caught in the movable parts of the AUTO
ACCESS SEAT, which could cause injuries.
■ When the AUTO ACCESS SEAT has been stowed manually
● The seat is not locked and therefore could move during driving. Do not sit
in the AUTO ACCESS SEAT until repairs have been completed.
● Make sure the combination wrench is securely in place in its storage loca-
tion to reduce the possibility of personal injury in the event of a sudden
braking, sudden swerving or an accident.
NOTICE
■To prevent loss of components
Put any removed components into a bag, and be careful not to lose them.

593. When you think a malfunction has occurred
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3
When trouble arises
Wireless remote control
If you suspect that the wireless remote control is malfunction-
ing, try the correction procedures listed in the table below.
If the seat still does not operate even after trying the procedures,
it is likely that the wireless remote control is malfunctioning.
Use the seat raise/lower switch to operate the AUTO ACCESS
SEAT ( →P. 34), and have the wireless remote control inspected
by your Toyota dealer immediately.
If the AUTO ACCESS SEAT does not move
ReasonCorrection procedure
The wireless remote control is too
far away from the vehicle.
Move to within approximately 3.3 ft.
(1 m) of the AUTO ACCESS SEAT
and operate the wireless remote
control.
Electromagnetic waves in the sur-
rounding area may cause the wire-
less remote control to stop
operating.Change your standing position.
Operate the seat using the seat
raise/lower switch.
The battery of the wireless remote
control is discharged.Replace the battery. ( →P. 40)
The switch is being pressed repeat-
edly.Push and hold the switch.
The temperature of the surrounding
area may cause the wireless remote
control to stop operating.Operate the seat using the seat
raise/lower switch.

603. When you think a malfunction has occurred
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If the indicator light stops flashing even when the wireless
remote control switches are pressed
ReasonCorrection procedure
The battery of the wireless remote
control is discharged.Replace the battery. (→P. 40)
If the indicator light is illumi nated or flashing even though the
wireless remote control switches are not being pressed
ReasonCorrection procedure
The wireless remote control may be
malfunctioning.Contact your Toyota dealer.