How to service and repair the Starter Relay and integration relay for the 1NZ-FE starting system on Toyota Yaris?

To service and repair the Starter Relay for the 1NZ-FE starting system, first disconnect the cable from the negative battery terminal. Next, remove the relay block cover No. 1. For the removal of the integration relay, use a screwdriver with its tip wrapped in protective tape to disengage the 2 claws and disconnect the integration relay, then disconnect the 3 connectors.

OEM Toyota Starter Relay

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5 Starter Relays found

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Toyota Starter Relay Part Number: 28300-10020
$81.75 MSRP: $114.75
You Save: $33.00 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay Assembly, Starter; Multi Purpose Relay; Relay Box Relay; Relay; Relay, Back Up Lamp
- Replaces: 28341-11010
Fits the following Toyota Models:
- Camry | 2002-2006 | Base, LE, SE, XLE | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Celica | 2000-2005 | GT, GTS | 4 Cyl 1.8 L GAS
- Corolla | 2003-2008 | CE, LE, S, XRS | 4 Cyl 1.8 L GAS
- Echo | 2000-2005 | Base | 4 Cyl 1.5 L GAS
- Matrix | 2003-2008 | Base, XR, XRS | 4 Cyl 1.8 L GAS
- MR2 Spyder | 2000-2005 | Base | 4 Cyl 1.8 L GAS
- RAV4 | 1996-2005 | Base, L, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Solara | 2004-2008 | SE, SE Sport, SLE, Sport | 4 Cyl 2.4 L GAS, 6 Cyl 3.3 L GAS
- Supra | 1993-1998 | Base, Twin Turbo | 6 Cyl 3.0 L GAS
- Tacoma | 1995-2004 | Base, DLX, Limited, Pre Runner, S-Runner, SR5 | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.4 L GAS
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Toyota Relay Part Number: 28300-0A011
$74.76 MSRP: $104.94
You Save: $30.18 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay Assembly, Starter; Starter Relay; Multi Purpose Relay; Multi-Purpose Relay; Micro-Relay
- Replaces: 28300-0A010
Fits the following Toyota Models:
- Avalon | 2013-2022 | Hybrid Limited, Hybrid XLE, Hybrid XLE Plus, Hybrid XLE Premium, Hybrid XLE Touring, Hybrid XSE, Hybrid XSE Nightshade, Limited, Touring, TRD, XLE, XLE Plus, XLE Premium, XLE Touring, XLE Touring SE, XSE, XSE Nightshade | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.5 L GAS
- Corolla Cross | 2022-2024 | L, LE, XLE | 4 Cyl 2.0 L GAS
- Grand Highlander | 2024-2025 | Hybrid LE, Hybrid Limited, Hybrid Nightshade, Hybrid Platinum, Hybrid XLE, LE, Limited, Platinum, XLE | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Highlander | 2011-2019 | Base, LE, LE Plus, Limited, Limited Platinum, Plus, SE, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Matrix | 2009-2013 | Base, S, XRS | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Sequoia | 2023-2025 | 1794 Edition, Capstone, Limited, Platinum, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV)
- Sienna | 2011-2020 | Base, L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Tacoma | 2024, 2005-2015 | Base, Limited, Pre Runner, SR, SR5, Trailhunter, TRD Off-Road, TRD PreRunner, TRD Pro, TRD Sport, X-Runner | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 4.0 L GAS
- Tundra | 2022-2025 | 1794 Edition, Capstone, Limited, Platinum, SR, SR5, TRD Pro | 6 Cyl 3.4 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.4 L GAS
- Venza | 2009-2015 | Base, LE, Limited, XLE | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Toyota Starter Relay Part Number: 28300-21020
$74.76 MSRP: $104.94
You Save: $30.18 (29%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Relay Assembly, Starter; Accessory Power Relay; Multi Purpose Relay; Multi-Purpose Relay; Micro-Relay; Relay; Relay, Lamp Cut
- Manufacturer Note: KOREA SPEC&LOW FUEL CONSUMPTION PACKAGE-WITHOUT
- Replaces: 28300-0L010, 28300-28010, 28300-0L011
Fits the following Toyota Models:
- C-HR | 2018-2022 | LE, Limited, Nightshade, XLE, XLE Premium | 4 Cyl 2.0 L GAS
- Corolla | 2019-2024 | SE, SE Nightshade, XSE | 4 Cyl 2.0 L GAS
- GR Corolla | 2023-2025 | Circuit Edition, Core, Morizo Edition, Premium, Premium Plus | 3 Cyl 1.6 L GAS
- Highlander | 2008-2010 | Base, SE, Sport | 4 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
- Land Cruiser | 2024, 2008-2011 | 1958, Base, First Edition | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.7 L GAS
- Yaris | 2007-2018 | Base, L, LE, S, SE | 4 Cyl 1.5 L GAS
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Toyota Relay Part Number: 28300-11010
Product Specifications
- Other Name: Relay Assembly, Starter; Multi Purpose Relay; Starter Relay
Fits the following Toyota Models:
- Paseo | 1992 | Base | 4 Cyl 1.5 L GAS
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Toyota Relay Part Number: 28300-10010
Product Specifications
- Other Name: Relay Assembly, Starter; Multi Purpose Relay; Starter Relay; Relay, Light Control
Fits the following Toyota Models:
- Paseo | 1992-1995 | Base | 4 Cyl 1.5 L GAS

Toyota Starter Relay

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Toyota Starter Relay provides assured bursts of power to the starter motor to make every turn of the ignition immediate and confident. This is indicative of the Toyota's commitment to pain-free driving. Since 1937, Toyota has transitioned from a small Japanese workshop into a global leader with a reputation for lean manufacturing, hybrid innovation and the adaptable TNGA platform that enhances driving safety, providing increased handling, improved safety and superior fuel economy. Recent milestones such as the improved Hybrid Synergy Drive and the RAV4 Plug-in Hybrid demonstrate how Toyota combines efficiency and durability, establishing long term trust from families and enthusiasts alike. Whether commuting through busy streets or exploring open highways, drivers enjoy the fact that Toyota vehicles consistently save gas, cut emissions and run longer with little fuss. Inside that misery-free experience, the Starter Relay plays an unseen yet vital role across the entire lineup. The compact Starter Relay is located in the starter control circuit where it receives a low current signal from the ignition switch and snaps closed to provide a high current bridge between the battery and the solenoid, permitting the engine to crank only when commanded. An advantage of the Starter Relay is that by opening the circuit again when the key is out of the start position, the flywheel is protected from damage and the battery is not drained. Repeated cycles require tough contacts and precise function and this part does not disappoint with durability that lives up to the brand's reputation for long lasting performance.

Toyota Starter Relay Parts and Q&A

Starter Relay
28300-21020
Q: How to service and repair the Starter Relay and integration relay for the 1NZ-FE starting system on Toyota Yaris?
A:
To service and repair the Starter Relay for the 1NZ-FE starting system, first disconnect the cable from the negative battery terminal. Next, remove the relay block cover No. 1. For the removal of the integration relay, use a screwdriver with its tip wrapped in protective tape to disengage the 2 claws and disconnect the integration relay, then disconnect the 3 connectors.