Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSTOYOTA2013SIENNA LE, AWDREPAIR AND DIAGNOSISBODY & FRAMESEATSSEATS (SERVICE INFORMATION)AUTO ACCESS SEAT UNITREASSEMBLYREASSEMBLY

2013 Toyota Sienna LE, AWD

Auto Access Seat Unit: Reassembly: Reassembly

2013 Toyota Sienna LE, AWDSECTION Reassembly

INSTALL PLATFORM SAFETY LOCK HOOK
1. Install the platform safety lock hook to the No. 2 welcab seat leg with the 2 bolts.
  Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf)
INSTALL POWER LIFT CYLINDER COLLAR (for Seat Front/Back Slide)
1. Apply a layer of MP grease to the entire circumference of the power lift cylinder collar.
  
  Fig 1: Identifying Power Lift Cylinder Collar MP Grease Applying Areas
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the power lift cylinder collar to the welcab seat rod support bracket.
  
  Fig 2: Installing Power Lift Cylinder Collar
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 2 WELCAB SEAT ROD
1. Apply MP grease to the No. 2 welcab seat rod in the areas shown in the illustration.
  
  Fig 3: Identifying Welcab Seat Rod MP Grease Applying Areas
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Rotate the No. 2 welcab seat rod and install it to the welcab seat rod support bracket.

INSTALL POWER SEAT MOTOR (for Seat Front/Back Slide)

Install the power seat motor with the 2 bolts.

Fig 4: Holding Rear Of No. 2 Welcab Seat Rod Using Pliers

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

Protective Tape

Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)

Engage the clamp.
Using pliers with the tips wrapped in protective tape, hold the rear of the No. 2 welcab seat rod in place, and install the nut and spacer to the front of the No. 2 welcab seat rod.
Torque: 3.4 N*m (35 kgf*cm, 30 in.*lbf)

NOTE:
This nut cannot be re-used. Be sure to use a new nut.
Install the 2 nuts and bush to the rear of the No. 2 welcab seat rod.

Fig 5: Identifying No. 2 Welcab Seat Rod, Nuts & Bush
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf)

for Nut A

Torque: 14 N*m (143 kgf*cm, 10 ft.*lbf)

for Nut B

INSTALL NO. 3 SEAT HOLDER STOPPER PLATE
1. Temporarily install the No. 3 seat holder plate with the 2 bolts.
  
  Fig 6: Locating No. 3 Seat Holder Stopper Plate & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL WELCAB SEAT LEG STOPPER CUSHION
1. Engage the claw and install the welcab seat leg stopper cushion.
  
  Fig 7: Identifying Welcab Seat Leg Stopper Cushion & Claw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL SEAT TURN LOCK PLATE SUB-ASSEMBLY

Using a vernier caliper, adjust the position of the seat turn lock plate to the specifications below.

Fig 8: Adjusting Position Of Seat Turn Lock Plate Using A Vernier Caliper

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard

Location	Standard Length
A	244.5 to 245.5 mm (9.626 to 9.665 in.)
B	256.2 mm (10.087 in.)
C	266.6 mm (10.480 in.)
D	120.3 to 121.3 mm (4.736 to 4.776 in.)

Install the seat turn lock plate assembly with the 2 bolts.
Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)

INSTALL SEAT TURN PLATE SUB-ASSEMBLY
1. Install the seat turn plate sub-assembly to the slide table panel assembly with the 6 bolts.
  
  Fig 9: Locating Seat Turn Plate Sub-Assembly & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Bolt A
  
  Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf)
  
  Bolt B
  
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
INSTALL NO. 3 LIMIT SWITCH (for Seat Front/Back Slide)
1. Install the connector clamp to the connector.
  
  Fig 10: Locating No. 3 Limit Switch, Screws & Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply adhesive to the threads of the 2 screws.
  Adhesive
  
  Toyota Genuine Adhesive 1324, Three Bond 1324 or Equivalent
3. Engage the clamp.
4. Install the No. 3 limit switch to the limit switch bracket with the 2 screws.
5. Temporarily install the No. 3 limit switch and limit switch bracket together as a single unit to the slide table panel assembly with the bolt.
  
  Fig 11: Locating No. 3 Limit Switch & Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 2 LIMIT SWITCH (for Seat Rotation)
1. Engage the clamp and install the No. 2 limit switch to the limit switch bracket.
  
  Fig 12: Identifying No. 2 Limit Switch & Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the No. 2 limit switch and the limit switch bracket together as a single unit to the slide table panel assembly with the 2 bolts.
  
  Fig 13: Locating No. 2 Limit Switch, Bolts & Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 14 N*m (143 kgf*cm, 10 ft.*lbf)
3. Apply adhesive to the threads of the screw.
  Adhesive
  
  Toyota Genuine Adhesive 1324, Three Bond 1324 or Equivalent
4. Install the No. 2 limit switch to the slide table panel assembly with the screw.
INSTALL WELCAB SEAT HARNESS CONNECTOR BRACKET
1. Engage the 2 clamps and install the welcab seat harness connector bracket to the No. 1 seat wire.
  
  Fig 14: Identifying Welcab Seat Harness Connector Bracket & Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL POWER LIFT MOTOR RELAY
1. Engage the 2 claws and install the power lift motor relay to the No. 1 seat wire (seat lower)
  
  Fig 15: Remove/Install Power Lift Motor Relay & Claws (Seat Lower)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Engage the 2 claws and install the power lift motor relay to the No. 1 seat wire (seat raise)
  
  Fig 16: Remove/Install Power Lift Motor Relay & Claws (Seat Raise)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Engage the 2 claws and install the 2 relay connectors to the No. 1 seat wire.
  
  Fig 17: Remove/Install Power Lift Motor Relay Connectors & Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 SEAT WIRE
1. Reconnect the 2 No. 1 seat wire connectors.
  
  Fig 18: Identifying No. 1 Seat Wire, Bolts & Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Engage the 2 clamps.
3. Install the No. 1 seat wire with the 3 bolts.
INSTALL SLIDE TABLE PANEL ASSEMBLY
NOTE:
- Do not allow the slide table panel to fall off the rail.
- If the slide table panel has fallen off the rail, it cannot be repaired with normal tools, so replace the slide table panel assembly.
1. Install the No. 1 seat wire to the No. 2 welcab seat leg with the 3 bolts.
  
  Fig 19: Locating Slide Table Panel Assembly, No. 1 Seat Wire & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the slide table panel assembly with the 13 bolts.
  
  Fig 20: Locating Slide Table Panel Assembly & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 39 N*m (398 kgf*cm, 29 ft.*lbf)
3. Engage the 2 clamps.
  
  Fig 21: Locating No. 1 Seat Wire Connectors & Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Reconnect the 2 No. 1 seat wire connectors.
ADJUST FRONT/BACK SLIDE ORIGIN POINT
1. Press the No. 3 limit switch against the contact area of the No. 2 welcab seat leg, and using a vernier caliper, adjust the position to match the length A below, then tighten the bolt.
  
  Fig 22: Adjusting Front/Back Slide Origin Point Using A Vernier Caliper
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard
  
  Length A
  
  6.4 to 6.7 mm (0.252 to 0.264 in.)
  
  Torque: 14 N*m (143 kgf*cm, 10 ft.*lbf)
INSTALL NO. 1 POWER LIFT COVER SUB-ASSEMBLY
1. Engage the 2 clips.
  
  Fig 23: Locating No. 1 Power Lift Cover, Clips & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the power lift No. 1 cover sub-assembly with the 2 bolts.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
INSTALL WELCAB SEAT COVER BRACKET
1. Install the welcab seat cover bracket with the 2 nuts.
  
  Fig 24: Identifying Welcab Seat Cover Bracket & Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
INSTALL POWER SEAT MOTOR SUB-ASSEMBLY (for Seat Rotation)
1. Using a T25 "TORX" socket wrench, temporarily install the power lift motor to the welcab seat motor bracket with the 3 bolts.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
2. Engage the 2 clamps.
3. Reconnect the power lift motor connector.
4. Install the wave washer to the top of the slide table panel assembly.
5. Install bolt A.
  
  Fig 25: Locating Power Lift Motor With Bracket & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
6. Temporarily install the power lift motor together with the power lift motor bracket with the 2 bolts B.
ADJUST POWER LIFT MOTOR (for Seat Rotation)
1. Adjust the power lift motor as shown in illustration, so that the distance between the center of the seat turn plate sub-assembly and the center point of the power lift motor gear is within the specified values, then tighten the bolts.
  
  Fig 26: Adjusting Power Lift Motor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
  
  Standard
  
  Length A
  
  214.9 to 215.2 mm (8.461 to 8.472 in.)
INSTALL POWER LIFT MOTOR COVER
1. Engage the guide, 2 clips and install the power lift motor cover.
INSTALL POWER LIFT GEAR SUB-ASSEMBLY
1. Apply MP grease to the power lift gear sub-assembly at the positions shown in the illustration.
  
  Fig 27: Identifying Power Lift Gear Sub-Assembly MP Grease Applying Areas
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Insert the guide pin.
3. Install the power lift gear to the turntable panel with the bolt.
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
INSTALL WELCAB SEAT TURN LOCK SUB-ASSEMBLY
1. Engage the 2 hooks and install the limit switch spring.
  
  Fig 28: Locating Limit Switch Spring & Hooks
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the welcab seat turn lock to the turntable panel with the 2 bolts.
  
  Fig 29: Locating Welcab Seat Turn Lock Sub-Assembly & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
INSTALL POWER LIFT LOCK ASSEMBLY
1. Apply MP grease to the power lift lock assembly at the positions shown in the illustration.
  
  Fig 30: Identifying Power Lift Lock Assembly MP Grease Applying Areas
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Insert the guide pin.
3. Engage the 2 hooks and install the limit switch spring.
  
  Fig 31: Locating Limit Switch Spring & Hooks
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the power lift lock assembly to the turntable panel with the 2 bolts.
  
  Fig 32: Locating Power Lift Lock Assembly, Bolts & Guide Pin
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 31 N*m (316 kgf*cm, 23 ft.*lbf)
INSTALL NO. 2 WELCAB SEAT TRACK ASSEMBLY (for LH Side)
1. Remove the protective tape from the front tip of the No. 2 welcab seat track assembly.
2. Engage the claw and install the cap protector bar.
  
  Fig 33: Installing Cap Protector Bar & Claw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002