How to install the headlight relay and perform the necessary initialization on 2010 Scion tC?

The headlight relay installation starts with putting the relay into position followed by attaching the cable to the negative battery terminal. Cable connection to the negative (-) battery terminal requires initialization of systems which need reset after the cable disconnect and reconnect.

OEM 2010 Scion tC Headlight Relay

Headlamp Relay

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4 Headlight Relays found

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2010 Scion tC Horn Relay
Part Number: 90080-87026
$22.33 MSRP: $31.09
You Save: $8.76 (29%)
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Product Specifications
- Other Name: Relay; Powertrain, Cooling, Safety, Defroster, Ignition, A/C, Fog, Headlight, ABS; Window Relay; Relay Assembly, Circuit Opening, EFI, Heater, Fuel Pump, Power Window, Standard Parts.
- Replaces: 90080-87010, 90987-02027, 90987-T2001, 85915-12020
- Item Weight: 0.40 Pounds
- Item Dimensions: 13.4 x 11.9 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90080-87026
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2010 Scion tC Submodels:
- Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
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2010 Scion tC Daytime Running Light Relay
Part Number: 90080-87025
$66.02 MSRP: $92.66
You Save: $26.64 (29%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay; HVAC Blower Motor Relay; Accessory Power Relay; Headlight Relay; Multi Purpose Relay; Multi-Purpose Relay; Window Relay; Relay Box for Heater Blower Motor; Headlamp, Power Window, Rear Heater, Tail Gate, Defogger.
- Replaces: 90987-04006, 90987-04010, 90080-87031
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.6 x 1.2 x 0.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90080-87025
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2010 Scion tC Submodels:
- Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
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2010 Scion tC Fan Relay
Part Number: 90080-87024
$66.02 MSRP: $92.66
You Save: $26.64 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay; Daytime Running Light Module; Active Suspension; HVAC; Ignition; Headlight; Multi-Purpose; Control Relay; ECM Relay; Junction Block Relay; Relay Box Relay; Relay Assembly, and more.
- Replaces: 90987-02025, 90987-T2002, 90987-02016
- Item Weight: 0.50 Pounds
- Item Dimensions: 14.4 x 11.4 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90080-87024
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2010 Scion tC Submodels:
- Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
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2010 Scion tC ECM Relay
Part Number: 90987-02022
$79.85 MSRP: $112.08
You Save: $32.23 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay; Horn Relay; Multi Purpose Relay; Multi-Purpose Relay; Micro-Relay; Relay Assembly, Circuit Opening (For EFI); various relays for sensors, lights, and power functions.
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.3 x 9.8 x 13.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90987-02022
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2010 Scion tC Submodels:
- Base | 4 Cyl 2.4 L GAS

2010 Scion tC Headlight Relay

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2010 Scion tC Parts Questions & Experts Answers

Q: How to install the headlight relay and perform the necessary initialization on 2010 Scion tC?
A: The headlight relay installation starts with putting the relay into position followed by attaching the cable to the negative battery terminal. Cable connection to the negative (-) battery terminal requires initialization of systems which need reset after the cable disconnect and reconnect.