What is the general information and testing procedure for relays on Toyota Prius?

Some of the electrical fittings in the car include; fuel injection system, horn, starter, and fog lamps which uses relays to send eletrical signals to parts; they feature a low current control circuit to run a high current power circuit. A bad relay will result in the improper functioning of the connected device and majority of relays are usually placed in the fuse and relay compartment of a car engine. If a faulty relay is assumed to be causing the problem it can be withdrawn from use and diagnosed maybe by a specific test or by a servicing outlet. Defective relays have to be replaced in toto ; circuit identification is usually to be found on a label on the top of the relay or, in the case of some boxes, on the inside of the lid. There are some which are involved with the interior fuse box and among them is the starter relay among others. After wiring diagrams have been made, testing is done by ensuring wiring diagram has been well connected; if in doubt more information can be sought. Some of the common relay classifications are basic relay types and their function, normally closed and normally open. Usually terminals 1 and 3 are of control circuit and are connected to the relay coil and terminals 2 and 4 of power circuit. Certain relays may be labeled for control side and power side terminals. To check, attach an ohmmeter between the power circuit terminals; should read no current flow when not powered but when powered, a current flow should be read. With the jumper wires, join one of the control circuit terminal to the positive terminal of the battery, and another end to the negative terminal; the relay should emit a sound as though it has been 'clicked'. If polarity is important, you may have to interchange the jumper wires or use those with appropriate polarity. An indication that relay is defective is if it fails this particular test, then a replacement is necessary.

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40 Relays found

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Toyota Prius Relay Assembly
Part Number: 90987-02006
$38.57 MSRP: $53.91
You Save: $15.34 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay, Headlamp
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
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Toyota Prius Relay
Part Number: 90987-02027
$22.24 MSRP: $31.09
You Save: $8.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay, Cooling Fan
- Replaced by: 90080-87026
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2024 Toyota Prius | E, G, L, S | 4 Cyl 1.5L, 4 Cyl 1.8L, 4 Cyl 2.0L | 1NZFXE, 2ZRFXE, M20AFXS; MXWH60L-AHXEBA, MXWH60L-AHXGBA, MXWH60L-AHXHBA, MXWH61L-AHXEBA, MXWH61L-AHXGBA, MXWH61L-AHXHBA, MXWH65L-AHXEBA, MXWH65L-AHXGBA, MXWH65L-AHXHBA, NHW20L-AHEEBA, NHW20L-AHEEBK, ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA, ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Relay Assy, Cooler
Part Number: 90987-02028
$79.52 MSRP: $112.09
You Save: $32.57 (30%)
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Product Specifications
- Other Name: Relay, Magnet-Clutch; Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2006-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW20L-AHEEBA, NHW20L-AHEEBK
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Toyota Prius Relay
Part Number: 90987-04002
$25.99 MSRP: $36.33
You Save: $10.34 (29%)
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Product Specifications
- Other Name: Relay Assy (For Heater Blower Motor)
- Position: Front
- Replaced by: 90987-04002-83
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
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Toyota Prius Relay
Part Number: 90987-04004
$56.16 MSRP: $78.50
You Save: $22.34 (29%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay, Cooling Fan, NO.2
- Replaced by: 90084-98032
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2024 Toyota Prius | E, G, L, S | 4 Cyl 1.5L, 4 Cyl 1.8L, 4 Cyl 2.0L | 1NZFXE, 2ZRFXE, M20AFXS; MXWH60L-AHXEBA, MXWH60L-AHXGBA, MXWH60L-AHXHBA, MXWH61L-AHXEBA, MXWH61L-AHXGBA, MXWH61L-AHXHBA, MXWH65L-AHXEBA, MXWH65L-AHXGBA, MXWH65L-AHXHBA, NHW11L-AEEEBA, NHW11L-AEEEBK, NHW20L-AHEEBA, NHW20L-AHEEBK, ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA, ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Relay
Part Number: 90987-02025
$65.83 MSRP: $92.79
You Save: $26.96 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Headlamp
- Replaced by: 90080-87024
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2022 Toyota Prius | E, G, L, S | 4 Cyl 1.5L, 4 Cyl 1.8L | 1NZFXE, 2ZRFXE; NHW20L-AHEEBA, NHW20L-AHEEBK, ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA, ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Relay, Acc
Part Number: 90987-02012
$90.73 MSRP: $127.90
You Save: $37.17 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay, Computer (For EFI)
- Replaced by: 90084-98031
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
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Toyota Prius Flasher Assy, Turn Signal
Part Number: 81980-50030
$58.89 MSRP: $82.32
You Save: $23.43 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Manufacturer Note: MARK=81980-50030
- Replaced by: 81980-02030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2015 Toyota Prius | G, L, S | 4 Cyl 1.8L | 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA
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Toyota Prius Relay, Air Conditioner Water Pump
Part Number: 90987-04010
$65.74 MSRP: $92.66
You Save: $26.92 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay Assy (For Heater Blower Motor)
- Comment: (FOR HEATER BLOWER MOTOR)
- Replaced by: 90080-87025
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2022 Toyota Prius | E, G, L, S | 4 Cyl 1.5L, 4 Cyl 1.8L | 1NZFXE, 2ZRFXE; NHW20L-AHEEBA, NHW20L-AHEEBK, ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW50L-AHXEBA, ZVW51L-AHXBBA, ZVW51L-AHXEBA, ZVW51L-AHXGBA, ZVW51L-AHXHBA, ZVW55L-AHXEBA, ZVW55L-AHXGBA
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Toyota Prius Integration Relay
Part Number: 82641-47020
$145.42 MSRP: $206.74
You Save: $61.32 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Relay, Integration NO.1; Relay, Relay Assembly, Relay Box
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW20L-AHEEBA, NHW20L-AHEEBK
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Toyota Prius Relay, Skid Control
Part Number: 88263-24030
$71.85 MSRP: $101.28
You Save: $29.43 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay, Skid Control NO.2; ABS Relay, Control Relay, Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
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Toyota Prius Relay, Skid Control
Part Number: 88263-21010
$68.55 MSRP: $96.62
You Save: $28.07 (30%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Relay, Skid Control NO.2; Relay, Relay Box Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW20L-AHEEBA, NHW20L-AHEEBK
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Toyota Prius Relay, Traction Control
Part Number: 89633-24010
$82.35 MSRP: $116.09
You Save: $33.74 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Relay, Traction Control Or VSC; Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
View related parts
Toyota Prius Relay, Skid Control
Part Number: 88263-24020
$68.19 MSRP: $96.12
You Save: $27.93 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: ABS Relay, Control Relay, Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
View related parts
Toyota Prius Integration Relay
Part Number: 82641-47090
$160.16 MSRP: $227.70
You Save: $67.54 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Integration NO.1; Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | G, L, S | 4 Cyl 1.8L | 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
View related parts
Toyota Prius Relay, Cooling Fan
Part Number: 90987-02016
$65.83 MSRP: $92.79
You Save: $26.96 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Headlamp
- Replaced by: 90080-87024
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
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Toyota Prius Relay, Headlamp Dimmer
Part Number: 85926-30020
$70.91 MSRP: $99.95
You Save: $29.04 (30%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cooler, Cooler Relay, Relay
- Replaces: 85926-14020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
View related parts
Toyota Prius Integration Relay
Part Number: 82641-71010
$217.26 MSRP: $311.53
You Save: $94.27 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Integration NO.2; Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2010-2015 Toyota Prius | E, G, L, S | 4 Cyl 1.8L | 2ZRFXE; ZVW30L-AHXBBA, ZVW30L-AHXEBA, ZVW30L-AHXEBK, ZVW30L-AHXGBA, ZVW35L-BHXBBA, ZVW35L-BHXEBA, ZVW35L-BHXEBK, ZVW35L-BHXGBA
View related parts
Toyota Prius Relay, Acc
Part Number: 90987-02020
$87.66 MSRP: $123.57
You Save: $35.91 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Tail Lamp; ECM Relay, Horn Relay, Relay, Window Relay
- Manufacturer Note: PART NUMBER LABEL=90987-02020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW11L-AEEEBA, NHW11L-AEEEBK
View related parts
Toyota Prius Integration Relay
Part Number: 82641-47010
$180.48 MSRP: $258.80
You Save: $78.32 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay, Integration NO.1; Relay
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2009 Toyota Prius | 4 Cyl 1.5L | 1NZFXE; NHW20L-AHEEBA, NHW20L-AHEEBK

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Toyota Prius Relay

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Toyota Prius Relay Parts Questions & Experts Answers

Relay Assembly
90987-02006
Q: What is the general information and testing procedure for relays on Toyota Prius?
A:
Some of the electrical fittings in the car include; fuel injection system, horn, starter, and fog lamps which uses relays to send eletrical signals to parts; they feature a low current control circuit to run a high current power circuit. A bad relay will result in the improper functioning of the connected device and majority of relays are usually placed in the fuse and relay compartment of a car engine. If a faulty relay is assumed to be causing the problem it can be withdrawn from use and diagnosed maybe by a specific test or by a servicing outlet. Defective relays have to be replaced in toto ; circuit identification is usually to be found on a label on the top of the relay or, in the case of some boxes, on the inside of the lid. There are some which are involved with the interior fuse box and among them is the starter relay among others. After wiring diagrams have been made, testing is done by ensuring wiring diagram has been well connected; if in doubt more information can be sought. Some of the common relay classifications are basic relay types and their function, normally closed and normally open. Usually terminals 1 and 3 are of control circuit and are connected to the relay coil and terminals 2 and 4 of power circuit. Certain relays may be labeled for control side and power side terminals. To check, attach an ohmmeter between the power circuit terminals; should read no current flow when not powered but when powered, a current flow should be read. With the jumper wires, join one of the control circuit terminal to the positive terminal of the battery, and another end to the negative terminal; the relay should emit a sound as though it has been 'clicked'. If polarity is important, you may have to interchange the jumper wires or use those with appropriate polarity. An indication that relay is defective is if it fails this particular test, then a replacement is necessary.