Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJYP
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: SEAT: POWER SEAT CONTROL ECU(for Rear No. 2 Seat): REMOVAL; 2016 - 2020 MY Sienna [12/2015 -        ]

REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

PROCEDURE

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page 2016 - 2020 MY Sienna [12/2015 -        ]; SEAT: REAR POWER SEAT CONTROL SYSTEM: INITIALIZATION ).

2. REMOVE REAR NO. 2 SEAT ASSEMBLY LH

(a) Remove the rear No. 2 power seat assembly LH (See page 2016 - 2020 MY Sienna [12/2015 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): REMOVAL ).

3. REMOVE REAR SEAT RECLINING COVER LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

4. REMOVE REAR SEAT RECLINING COVER RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

5. REMOVE REAR NO. 2 SEAT COVER BEZEL

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

6. REMOVE REAR SEATBACK BOARD SUB-ASSEMBLY LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

7. SEPARATE REAR SEAT WIRE LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

8. REMOVE NO. 2 SEATBACK FRAME SUB-ASSEMBLY LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

9. REMOVE REAR CENTER SEAT HEADREST ASSEMBLY

10. REMOVE REAR SEAT HEADREST ASSEMBLY

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

11. REMOVE REAR NO. 2 SEAT HEADREST SUPPORT ASSEMBLY

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

12. REMOVE NO. 2 SEATBACK COVER SUB-ASSEMBLY LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

13. REMOVE REAR SEAT WIRE LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type LH Side): DISASSEMBLY+

14. REMOVE FOLD SEAT CONTROL ECU

(a) Remove the 2 nuts and fold seat control ECU.

15. REMOVE REAR NO. 2 SEAT ASSEMBLY RH

(a) Remove the rear No. 2 power seat assembly RH (See page 2016 - 2020 MY Sienna [12/2015 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): REMOVAL ).

16. REMOVE REAR SEAT RECLINING COVER LH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

17. REMOVE REAR SEAT RECLINING COVER RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

18. REMOVE REAR NO. 2 SEAT COVER BEZEL

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

19. REMOVE REAR SEATBACK BOARD SUB-ASSEMBLY RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

20. SEPARATE REAR SEAT WIRE RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

21. REMOVE NO. 2 SEATBACK FRAME SUB-ASSEMBLY RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

22. REMOVE REAR SEAT HEADREST ASSEMBLY

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

23. REMOVE REAR NO. 2 SEAT HEADREST SUPPORT ASSEMBLY

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

24. REMOVE NO. 2 SEATBACK COVER SUB-ASSEMBLY RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

25. REMOVE REAR SEAT WIRE RH

2016 - 2018 MY Sienna [12/2015 - 08/2018]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+ 2019 - 2020 MY Sienna [08/2018 -        ]; SEAT: REAR NO. 2 SEAT ASSEMBLY(for Power Seat Type RH Side): DISASSEMBLY+

26. REMOVE FOLD SEAT CONTROL ECU

(a) Remove the 2 nuts and fold seat control ECU.