How to service the headlight dimmer switch on Scion tC?

Before working on the headlight dimmer switch engineers need to disconnect the cable from the negative battery terminal while waiting for 90 seconds to stop Air Bag and seat belt pretensioner activation. Start by disconnecting the connector to the headlight dimmer switch assembly followed by removing the steering column cover while being cautious of damaging the claw. Installation starts with attaching the claw before installing the headlight dimmer switch assembly and reconnection of the connector completes the process. Reinstallation of the steering column cover follows but before you can proceed secure the negative battery cable connection and then execute system initialization which becomes necessary when reconnecting the cable.

How to remove the headlamp dimmer switch on Scion xB?

The removal process for the headlamp dimmer switch starts with a 90-second period of disconnecting the negative battery cable to stop Air Bag deployment. You must first ensure front wheel alignment before removing the steering pad then steering wheel assembly together with the steering column cover. Next, remove the spiral cable. Users should disconnect the 2 connectors from the wiper switch before using a screwdriver with taped tip to carefully disengage the claw that removes the wiper switch without damaging the claw. Disassembling the headlight dimmer switch involves disconnecting its connector followed by illustration-driven removal of the unit while disengaging its 2 claws to finalize the process.

How to replace the headlamp dimmer switch assembly on Scion xA?

The first step to replace the headlamp dimmer switch assembly requires removal of the steering column cover. To replace the headlamp dimmer switch assembly you should disconnect its connector before gently removing the switch assembly through the disengaged claw while being cautious to prevent damage to the teeth.

OEM Scion Dimmer Switch

Light Dimmer Switch

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17 Dimmer Switches found

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Scion Dimmer Switch
Part Number: 84140-52220
$148.16 MSRP: $209.73
You Save: $61.57 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaced by: 84140-47140
- Replaces: 84140-47061, 84140-12890, 84140-47060
Fits the following Scion Models:
- iQ | 2012-2015 | Base | 4 Cyl 1.3 L GAS
- tC | 2012-2016 | Base | 4 Cyl 2.5 L GAS
- xB | 2012-2015 | Base | 4 Cyl 2.4 L GAS
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Scion Dimmer Switch
Part Number: 84140-52020
$75.16 MSRP: $105.50
You Save: $30.34 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
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 Dimmer Switch
Part Number: 84140-47140
$148.16 MSRP: $209.73
You Save: $61.57 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-12720, 84140-12680
Fits the following Scion Models:
- iQ | 2012 | Base | 4 Cyl 1.3 L GAS
- tC | 2011-2012 | Base | 4 Cyl 2.5 L GAS
- xB | 2008-2012 | Base | 4 Cyl 2.4 L GAS
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Scion Instrument Light Rheostat, Passenger Side
Part Number: 84119-52030
$167.70 MSRP: $237.39
You Save: $69.69 (30%)
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
Fits the following Scion Models:
- 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 Dimmer Switch, Passenger Side
Part Number: 84119-35030
$141.92 MSRP: $200.90
You Save: $58.98 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Instrument Light Rheostat; Rheostat
- Position: Passenger Side
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 Dimmer Switch
Part Number: 84140-42010
$188.45 MSRP: $269.07
You Save: $80.62 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Turn Signal & Combination Lever; Combination Switch; Multi Purpose Switch; Headlamp Switch; Headlamp Dimmer Switch
Fits the following Scion Models:
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
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Scion Instrument Light Rheostat, Passenger Side
Part Number: SU003-02445
$35.56 MSRP: $46.04
You Save: $10.48 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Illumination; Instrument Panel Dimmer Switch; Rheostat; Rheostat, Light Control
- Position: Passenger Side
Fits the following Scion Models:
- FR-S | 2013-2016 | Base | 4 Cyl 2.0 L GAS
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Scion Instrument Light Rheostat, Passenger Side
Part Number: 84119-74020
$106.18 MSRP: $149.03
You Save: $42.85 (29%)
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Product Specifications
- Other Name: Rheostat, Light Control; Instrument Panel Dimmer Switch; Rheostat
- Position: Passenger Side
Fits the following Scion Models:
- iQ | 2012-2015 | Base | 4 Cyl 1.3 L GAS
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Scion Multifunction Switch, Driver Side
Part Number: SU003-02468
$43.16 MSRP: $55.88
You Save: $12.72 (23%)
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Product Specifications
- Other Name: Switch Turn Dimmer Left-Hand; Combination Switch; Multi Purpose Switch; Signal Switch; Switch Assembly, Headlamp Dimmer
- Position: Driver Side
Fits the following Scion Models:
- FR-S | 2013-2015 | Base | 4 Cyl 2.0 L GAS
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Scion Switch
Part Number: SU003-02444
$35.56 MSRP: $46.04
You Save: $10.48 (23%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Headlamp Leveling; Switch, Headlamp Leveling
Fits the following Scion Models:
- FR-S | 2014-2015 | Base | 4 Cyl 2.0 L GAS
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Scion Headlamp Switch
Part Number: 84140-76010
$122.35 MSRP: $173.20
You Save: $50.85 (30%)
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Multifunction Switch
- Manufacturer Note: LIGHT CONTROL SYSTEM-WITH
Fits the following Scion Models:
- iQ | 2012-2015 | Base | 4 Cyl 1.3 L GAS
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Scion Headlamp Switch
Part Number: 84140-62020
$117.71 MSRP: $166.64
You Save: $48.93 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Multifunction Switch
Fits the following Scion Models:
- iM | 2016 | Base | 4 Cyl 1.8 L GAS
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Scion Headlamp Switch
Part Number: 84140-52210
$130.12 MSRP: $184.20
You Save: $54.08 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch
- Manufacturer Note: WITH(MANUAL REMOTE CONTROL MIRROR)&FRONT FOG LAMP-WITHOUT
Fits the following Scion Models:
- xD | 2012-2014 | Base | 4 Cyl 1.8 L GAS
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Scion Headlamp Switch
Part Number: 84140-52141
$130.12 MSRP: $184.20
You Save: $54.08 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch
- Replaces: 84140-52140
Fits the following Scion Models:
- xD | 2008-2011 | Base | 4 Cyl 1.8 L GAS
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Scion Dimmer Switch
Part Number: 84140-47120
$118.33 MSRP: $167.51
You Save: $49.18 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Combination Switch; Multi Purpose Switch; Headlamp Switch; Multifunction Switch; Headlamp Dimmer Switch
- Replaces: 84140-47070, 84140-47071
Fits the following Scion Models:
- iQ | 2012 | Base | 4 Cyl 1.3 L GAS
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Scion Headlamp Switch
Part Number: 84140-20670
$151.25 MSRP: $214.11
You Save: $62.86 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Headlamp Dimmer; Multi Purpose Switch
Fits the following Scion Models:
- tC | 2005-2010 | Base, Spec | 4 Cyl 2.4 L GAS
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Scion Multifunction Switch, Driver Side
Part Number: SU003-04585
$43.16 MSRP: $55.88
You Save: $12.72 (23%)
Product Specifications
- Other Name: Switch Turn Dimmer Left-Hand; Multi Purpose Switch; Signal Switch; Switch Assembly, Headlamp Dimmer
- Position: Driver Side
Fits the following Scion Models:
- FR-S | 2015-2016 | Base | 4 Cyl 2.0 L GAS

Scion Dimmer Switch Parts Questions & Experts Answers

Headlamp Switch
84140-20670
Q: How to service the headlight dimmer switch on Scion tC?
A: Before working on the headlight dimmer switch engineers need to disconnect the cable from the negative battery terminal while waiting for 90 seconds to stop Air Bag and seat belt pretensioner activation. Start by disconnecting the connector to the headlight dimmer switch assembly followed by removing the steering column cover while being cautious of damaging the claw. Installation starts with attaching the claw before installing the headlight dimmer switch assembly and reconnection of the connector completes the process. Reinstallation of the steering column cover follows but before you can proceed secure the negative battery cable connection and then execute system initialization which becomes necessary when reconnecting the cable.
Instrument Light Rheostat, Passenger Side
84119-52030
Q: How to remove the headlamp dimmer switch on Scion xB?
A: The removal process for the headlamp dimmer switch starts with a 90-second period of disconnecting the negative battery cable to stop Air Bag deployment. You must first ensure front wheel alignment before removing the steering pad then steering wheel assembly together with the steering column cover. Next, remove the spiral cable. Users should disconnect the 2 connectors from the wiper switch before using a screwdriver with taped tip to carefully disengage the claw that removes the wiper switch without damaging the claw. Disassembling the headlight dimmer switch involves disconnecting its connector followed by illustration-driven removal of the unit while disengaging its 2 claws to finalize the process.
Dimmer Switch, Passenger Side
84119-35030
Q: How to replace the headlamp dimmer switch assembly on Scion xA?
A: The first step to replace the headlamp dimmer switch assembly requires removal of the steering column cover. To replace the headlamp dimmer switch assembly you should disconnect its connector before gently removing the switch assembly through the disengaged claw while being cautious to prevent damage to the teeth.

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tC xB iQ xA xD FR-S iM