How to install the ignition switch assembly on Scion tC?

The installation of the 2AZ-FE starting system ignition switch assembly requires locking the stopper with the screw followed by securing the switch with two screws. First connect the unlock warning switch connector to the claw position then apply the cable tie. The installation requires joining the unlock warning switch connector to the ignition switch connector. Install the lower cover of the steering column by using two screws but make a small turn of the steering wheel to get it into position. Complete the battery terminal connection using the cable before executing an initialization procedure because some systems need a reset afterward when disconnecting and reconnecting the cable from the negative (-) terminal.

How to remove the ignition switch assembly on Scion xB?

The process to remove the ignition switch assembly for 2AZ-FE starting system starts with a front-wheel alignment then a negative battery terminal cable removal which requires a 90-second waiting period for safety. The first step requires removal of the steering pad before proceeding to take out the steering wheel assembly. Start by detaching the steering column cover through the following procedure: push each side to release the 4 claws and use fingers in the tilt lever opening to unfasten one more claw then turn the cover to separate the remaining 2 claws. To complete the removal process disconnect the 2 connectors then remove the wire harness clamp before taking out the ignition switch assembly by removing its 2 screws.

OEM Scion Ignition Switch

Starter Ignition Switch

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10 Ignition Switches found

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Scion Warning Buzzer
Part Number: 84052-22050
$27.35 MSRP: $38.07
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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
Fits the following Scion Models:
- iQ | 2012-2015 | Base | 4 Cyl 1.3 L GAS
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Scion Position Sensor
Part Number: 84052-71010
$65.52 MSRP: $91.97
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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
Fits the following Scion Models:
- iM | 2016 | Base | 4 Cyl 1.8 L GAS
- tC | 2011-2016 | Base | 4 Cyl 2.5 L GAS
- xB | 2008-2015 | Base | 4 Cyl 2.4 L GAS
- xD | 2008-2014 | Base | 4 Cyl 1.8 L GAS
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Scion Warning Switch
Part Number: 84052-12070
$27.23 MSRP: $37.91
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Product Specifications
- Other Name: Switch Assembly, Un-Lock Warning; Hazard Warning Switch; Switch
- Manufacturer Note: STEERING CORUMN
Fits the following Scion Models:
- tC | 2005-2010 | Base, Spec | 4 Cyl 2.4 L GAS
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Scion Ignition Switch
Part Number: 84450-71010
$103.20 MSRP: $144.86
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Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter
Fits the following Scion Models:
- xD | 2008-2014 | Base | 4 Cyl 1.8 L GAS
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Scion Ignition Switch
Part Number: 84450-52010
$113.75 MSRP: $159.67
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Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter
- Replaces: 84450-BZ040
Fits the following Scion Models:
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
- xB | 2004-2006 | Base | 4 Cyl 1.5 L GAS
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Scion Ignition Switch
Part Number: 84450-12200
$103.20 MSRP: $144.86
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Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter; Ignition Starter Switch
Fits the following Scion Models:
- iQ | 2012-2015 | Base | 4 Cyl 1.3 L GAS
- tC | 2005-2016 | Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
- xB | 2008-2015 | Base | 4 Cyl 2.4 L GAS
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Scion Ignition Switch
Part Number: 84450-0R010
$102.96 MSRP: $144.53
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Product Specifications
- Other Name: Switch Assembly, Ignition Or Starter
- Replaces: 84450-02040, 84450-12320
Fits the following Scion Models:
- iM | 2016 | Base | 4 Cyl 1.8 L GAS
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Scion Warning Switch
Part Number: SU003-03996
$14.08 MSRP: $18.22
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Product Specifications
- Other Name: Switch Warning Key; Hazard Warning Switch; Ignition Switch; Switch Assembly, Un-Lock Warning
Fits the following Scion Models:
- FR-S | 2013-2016 | Base | 4 Cyl 2.0 L GAS
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Scion Ignition Switch
Part Number: SU003-02477
$34.34 MSRP: $44.46
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Product Specifications
- Other Name: Switch Ignition; Switch Assembly, Ignition Or Starter
Fits the following Scion Models:
- FR-S | 2013-2016 | Base | 4 Cyl 2.0 L GAS
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Scion Warning Switch
Part Number: 84052-32030
$27.35 MSRP: $38.07
You Save: $10.72 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Un-Lock Warning; Hazard Warning Switch; Ignition Switch; Switch
Fits the following Scion Models:
- tC | 2005-2010 | Base, Spec | 4 Cyl 2.4 L GAS
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
- xB | 2004-2006 | Base | 4 Cyl 1.5 L GAS
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Scion Ignition Switch Parts and Q&A

Warning Switch
84052-12070
Q: How to install the ignition switch assembly on Scion tC?
A:
The installation of the 2AZ-FE starting system ignition switch assembly requires locking the stopper with the screw followed by securing the switch with two screws. First connect the unlock warning switch connector to the claw position then apply the cable tie. The installation requires joining the unlock warning switch connector to the ignition switch connector. Install the lower cover of the steering column by using two screws but make a small turn of the steering wheel to get it into position. Complete the battery terminal connection using the cable before executing an initialization procedure because some systems need a reset afterward when disconnecting and reconnecting the cable from the negative (-) terminal.
Position Sensor
84052-71010
Q: How to remove the ignition switch assembly on Scion xB?
A:
The process to remove the ignition switch assembly for 2AZ-FE starting system starts with a front-wheel alignment then a negative battery terminal cable removal which requires a 90-second waiting period for safety. The first step requires removal of the steering pad before proceeding to take out the steering wheel assembly. Start by detaching the steering column cover through the following procedure: push each side to release the 4 claws and use fingers in the tilt lever opening to unfasten one more claw then turn the cover to separate the remaining 2 claws. To complete the removal process disconnect the 2 connectors then remove the wire harness clamp before taking out the ignition switch assembly by removing its 2 screws.

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