How to service and repair the ignition switch on Toyota Sienna?

In order to fix the ignition switch, remove the negative battery cable. The cover of the lower steering column can be removed by unlocking the steering lock and undoing the screws. Unscrew the connector of the ignition switch and disassemble. Re-installation Revert the reversal of the steps and reconnect the battery plug.

How to install the ignition switch assembly on Toyota Sienna?

Installation To install, screw the ignition switch assembly in place with 2 screws and connect the ignition switch connector. Install 4 steering column cover claws, place the key in to unlock the steering lock, and place 2 screws. Lastly, attach the cable to the negative battery post.

OEM Toyota Sienna Ignition Switch

Starter Ignition Switch

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Toyota Sienna Position Sensor
Part Number: 84052-71010
$65.52 MSRP: $91.97
You Save: $26.45 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Un-Lock Warning; Hazard Switch; Steering Lock; Angle Sensor; Multi Purpose Switch; Lock Switch; Switch Assembly; Warning Switch; Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2020 Toyota Sienna | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Switch Assembly, Un-Lock Warning
Part Number: 84052-33040
$33.57 MSRP: $46.72
You Save: $13.15 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1998-2003 Toyota Sienna | CE, LE, XLE | 6 Cyl 3.0 L GAS
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Toyota Sienna Warning Buzzer
Part Number: 84052-22050
$27.35 MSRP: $38.07
You Save: $10.72 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Un-Lock Warning; Hazard Warning Switch; Steering Column Lock; Ignition Switch; Warning Switch; Switch
- Replaces: 84052-60020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2010 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Ignition Switch
Part Number: 84450-52010
$113.75 MSRP: $159.67
You Save: $45.92 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter
- Replaces: 84450-BZ040
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2010 Toyota Sienna | CE, LE, Limited, XLE, XLE Limited | 6 Cyl 3.3 L GAS, 6 Cyl 3.5 L GAS
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Toyota Sienna Ignition Switch
Part Number: 84450-12200
$103.20 MSRP: $144.86
You Save: $41.66 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter; Ignition Starter Switch
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2020, 1998-2003 Toyota Sienna | Base, CE, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS

Toyota Sienna Ignition Switch

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Toyota Sienna Ignition Switch Parts and Q&A

Warning Buzzer
84052-22050
Q: How to service and repair the ignition switch on Toyota Sienna?
A: In order to fix the ignition switch, remove the negative battery cable. The cover of the lower steering column can be removed by unlocking the steering lock and undoing the screws. Unscrew the connector of the ignition switch and disassemble. Re-installation Revert the reversal of the steps and reconnect the battery plug.
Ignition Switch
84450-52010
Q: How to install the ignition switch assembly on Toyota Sienna?
A: Installation To install, screw the ignition switch assembly in place with 2 screws and connect the ignition switch connector. Install 4 steering column cover claws, place the key in to unlock the steering lock, and place 2 screws. Lastly, attach the cable to the negative battery post.