How do relays function in electrical systems and how can they be tested for defects on Honda Passport?

In the fuel injection system, horns, starter motor and fog lamps of the vehicle; relays are used for transmitting electrical signals to the accessories. Relays therefore function by having a low current control circuit open and close a high current power circuit. Sometimes, a part of the car will not work if a corresponding relay is faulty and such relays are usually located in the engine compartment and at other spots in the car. If the relay is thought to be the problem, it can be taken out and either treated by a certain process or by a dealer service or repair shop since a bad relay must be replaced as a complete relay. When trying to test a relay it is better to look at the wiring diagram to make connections correctly; but if there is no access to the wiring diagram, the following will help: Typically, the relays are provided with two terminals for control circuit to connect with the relay coil and the other terminals for power circuit that connects internally on the relay coil when the control circuit is energized. For ease of identification of control and power circuit terminals relays are mostly marked. To check, place one end of a fused jumper wire across the control circuit terminals while the other end to the positive terminal of the battery, and join the other end of another fused jumper wire to ground; the relay should trigger a 'clacking' sound once these connections are made. If it doesn't click, jumper wires may need to be swapped due to polarity a device may have. After installing the jumper wires it depends with the relay markings to ensure continuity between the power circuit terminals. If the relay does not pass any of these tests it should be replaced.

Genuine Honda Passport Relay

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26 Relays found

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Honda Passport Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$21.08 MSRP: $30.03
You Save: $8.95 (30%)
ADD TO CART
Product Specifications
- Other Name: Horn Relay; Relay
- Replaces: 39794-SDA-A01, 39794-SDA-A04
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$50.08 MSRP: $71.34
You Save: $21.26 (30%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-T5A-J01
$29.23 MSRP: $41.63
You Save: $12.40 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$21.26 MSRP: $30.03
You Save: $8.77 (30%)
ADD TO CART
Product Specifications
- Other Name: Blower Motor Relay; Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$46.93 MSRP: $66.28
You Save: $19.35 (30%)
ADD TO CART
Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-003, 39794-SDA-305
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2022 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD), EX-L, Elite, TrailSport | KA 9AT
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Honda Passport Relay Assembly, Power (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$36.76 MSRP: $51.92
You Save: $15.16 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$8.19 MSRP: $11.57
You Save: $3.38 (30%)
ADD TO CART
Product Specifications
- Other Name: Blower Motor Relay; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
View related parts
Honda Passport Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39792-SJC-A01
$7.09 MSRP: $10.02
You Save: $2.93 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
View related parts
Honda Passport Relay Assembly, Power (Micro Iso)
Part Number: 39794-TBA-A01
$3.72 MSRP: $5.24
You Save: $1.52 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay Assembly, Ignition (1) (Omron)
Part Number: 39794-TG7-A01
$5.22 MSRP: $7.37
You Save: $2.15 (30%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2021 Honda Passport | 5 Door ELITE (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door Sport (2WD), 5 Door Sport (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD) | KA 9AT
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Honda Passport Relay (30Amp)
Part Number: 2-90309-407-0
$7.84 MSRP: $12.83
You Save: $4.99 (39%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1995 Honda Passport | 4 Door DX, 4 Door EX (4X4 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Passport Unit, Flasher
Part Number: 8-97147-862-1
$19.32 MSRP: $31.65
You Save: $12.33 (39%)
ADD TO CART
Product Specifications
- Other Name: Flasher
- Replaces: 8-97147-862-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Honda Passport | 4 Door 2EX, 4 Door 2EX-L, 4 Door 2LX, 4 Door 4EX, 4 Door 4EX-L, 4 Door 4LX, 4 Door 4LX-W | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Passport Relay, Main (12V) (20A)
Part Number: 8-97060-926-1
Product Specifications
- Replaces: 8-97060-926-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1995-1997 Honda Passport | 4 Door DX, 4 Door EX-W (4X2 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Passport Relay
Part Number: 8-97125-441-1
Product Specifications
- Replaces: 8-97125-441-0, 5-87411-020-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Honda Passport | 4 Door 2EX, 4 Door 2EX-L, 4 Door 2LX, 4 Door 4EX, 4 Door 4EX-L, 4 Door 4LX, 4 Door 4LX-W | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Passport Relay, Taillight
Part Number: 8-97125-444-0
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Honda Passport | 4 Door 2EX, 4 Door 2EX-L, 4 Door 2LX, 4 Door 4EX, 4 Door 4EX-L, 4 Door 4LX, 4 Door 4LX-W | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda Passport Relay
Part Number: 8-94112-912-0
Product Specifications
- Replaces: 8-94450-970-0, 8-94154-803-0, 8-94450-977-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1995 Honda Passport | 4 Door EX (4X4 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
View related parts
Honda Passport Relay
Part Number: 8-94112-911-0
Product Specifications
- Other Name: Window Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1995 Honda Passport | 4 Door DX, 4 Door EX (4X4 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
View related parts
Honda Passport Relay
Part Number: 8-94218-497-0
Product Specifications
- Replaces: 8-94232-222-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1995 Honda Passport | 4 Door DX, 4 Door EX (4X4 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
View related parts
Honda Passport Relay, Rear Wiper
Part Number: 5-82550-035-0
Product Specifications
- Other Name: Wiper Relay
- Position: Rear
- Replaces: 8-94450-972-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1997 Honda Passport | 4 Door EX (4X4 V6), 4 Door EX-W (4X2 V6), 4 Door EX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT
View related parts
Honda Passport Unit, Flasher (Denso)
Part Number: 8-97038-317-0
Product Specifications
- Replaced by: 8-97105-453-0
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1994-1997 Honda Passport | 4 Door DX, 4 Door EX (4X4 V6), 4 Door EX-W (4X2 V6), 4 Door EX-W (4X4 V6), 4 Door LX (4X2 V6), 4 Door LX (4X4 V6), 4 Door LX-W (4X4 V6) | KA 4AT, KA 5MT, KL 4AT, KL 5MT

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1-20 of 26 Results

Honda Passport Relay Parts Questions & Experts Answers

Relay (30Amp)
2-90309-407-0
Q: How do relays function in electrical systems and how can they be tested for defects on Honda Passport?
A: In the fuel injection system, Horns, starter motor and fog lamps of the vehicle; relays are used for transmitting electrical signals to the accessories. Relays therefore function by having a low current control circuit open and close a high current power circuit. Sometimes, a part of the car will not work if a corresponding relay is faulty and such relays are usually located in the engine compartment and at other spots in the car. If the relay is thought to be the problem, it can be taken out and either treated by a certain process or by a dealer service or repair shop since a bad relay must be replaced as a complete relay. When trying to test a relay it is better to look at the wiring diagram to make connections correctly; but if there is no access to the wiring diagram, the following will help: Typically, the relays are provided with two terminals for control circuit to connect with the relay coil and the other terminals for power circuit that connects internally on the relay coil when the control circuit is energized. For ease of identification of control and power circuit terminals relays are mostly marked. To check, place one end of a fused jumper wire across the control circuit terminals while the other end to the positive terminal of the battery, and join the other end of another fused jumper wire to ground; the relay should trigger a 'clacking' sound once these connections are made. If it doesn't click, jumper wires may need to be swapped due to polarity a device may have. After installing the jumper wires it depends with the relay markings to ensure continuity between the power circuit terminals. If the relay does not pass any of these tests it should be replaced.

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