How to service the Headlight Relay on Scion tC?

In order to service the headlamp relay, first loosen the negative battery terminal and wait 90 seconds. Disassemble H-LP headlight relay, and install it again. Reconnect negative terminal and execute system startup because some systems also need this process after reconnecting the battery cable to assure adequate operation.

How to service the headlight relay on Scion xB?

To service the headlight relay, start by disconnecting the negative battery terminal and waiting 90 seconds to avoid Air Bag and seat belt pretensioner activation. Then, remove the old headlight relay. For installation, place the new relay and reconnect the negative battery terminal.

OEM Scion Headlight Relay

Headlamp Relay

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4 Headlight Relays found

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Scion 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
Fits the following Scion Models:
- iM | 2016 | Base | 4 Cyl 1.8 L GAS
- tC | 2005-2016 | Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
- xB | 2008-2015, 2004-2006 | Base | 4 Cyl 1.5 L GAS, 4 Cyl 2.4 L GAS
- xD | 2008-2014 | Base | 4 Cyl 1.8 L GAS
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Scion Daytime Running Light Relay
Part Number: 90080-87025
$66.02 MSRP: $92.66
You Save: $26.64 (29%)
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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
Fits the following Scion Models:
- tC | 2005-2016 | Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
- xB | 2008-2015, 2004-2006 | Base | 4 Cyl 1.5 L GAS, 4 Cyl 2.4 L GAS
- xD | 2008-2014 | Base | 4 Cyl 1.8 L GAS
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Scion Fan Relay
Part Number: 90080-87024
$66.11 MSRP: $92.79
You Save: $26.68 (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
Fits the following Scion Models:
- tC | 2005-2016 | Base, Spec | 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS
- xA | 2004-2006 | Base | 4 Cyl 1.5 L GAS
- xB | 2008-2015, 2004-2006 | Base | 4 Cyl 1.5 L GAS, 4 Cyl 2.4 L GAS
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Scion ECM Relay
Part Number: 90987-02022
$79.86 MSRP: $112.09
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.
Fits the following Scion Models:
- tC | 2010 | Base | 4 Cyl 2.4 L GAS

Scion Headlight Relay Parts and Q&A

Horn Relay
90080-87026
Q: How to service the Headlight Relay on Scion tC?
A: In order to service the headlamp relay, first loosen the negative battery terminal and wait 90 seconds. Disassemble H-LP headlight relay, and install it again. Reconnect negative terminal and execute system startup because some systems also need this process after reconnecting the battery cable to assure adequate operation.
Fan Relay
90080-87024
Q: How to service the headlight relay on Scion xB?
A: To service the headlight relay, start by disconnecting the negative battery terminal and waiting 90 seconds to avoid Air Bag and seat belt pretensioner activation. Then, remove the old headlight relay. For installation, place the new relay and reconnect the negative battery terminal.