What steps should be taken before beginning electrical diagnosis for a horn on Honda Passport?

Before beginning electrical diagnosis, check the fuses. First, disconnect the electrical connector from the horn. To test the horn, connect battery voltage to the two terminals using jumper wires; if the horn doesn't sound, it needs to be replaced. If the horn does sound, check for voltage at the terminal when the horn button is depressed. If there's voltage at the terminal, inspect for a bad ground at the horn. If there's no voltage at the horn, check the relay, noting that most horn relays are either the four-terminal or externally grounded three-terminal type. If the relay is functioning, check for voltage to the relay power and control circuits; if either circuit lacks voltage, inspect the wiring between the relay and the fuse panel. If both relay circuits are receiving voltage, depress the horn button and check the circuit from the relay to the horn button for continuity to ground. If there's no continuity, check for an open circuit; if there's no open circuit, replace the horn button. If continuity to ground exists through the horn button, check for an open or short in the circuit from the relay to the horn. To replace the horn(s), remove the radiator grille, disconnect the electrical connector, and remove the bracket bolt to detach the horn for models from 1997 and earlier. Installation is the reverse of removal.

Genuine Honda Passport Horn

Alarm Horn

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7 Horns found

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Honda Passport Horn Assembly (Low)
Part Number: 38100-TZ5-A11
$22.49 MSRP: $32.03
You Save: $9.54 (30%)
ADD TO CART
Product Specifications
- Other Name: Horn; Lower Note Horn
- Replaces: 38100-TZ5-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2023 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 Horn, Dual Tone (High)
Part Number: 8-94329-560-0
$52.96 MSRP: $74.80
You Save: $21.84 (30%)
ADD TO CART
Product Specifications
- Replaced by: 2-90071-910-0
- 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 Horn (Low)
Part Number: 8-94329-561-0
$52.96 MSRP: $74.80
You Save: $21.84 (30%)
ADD TO CART
Product Specifications
- Replaced by: 2-90071-900-0
- 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
View related parts
Honda Passport Horn Assembly (High)
Part Number: 38150-TZ5-A11
Product Specifications
- Other Name: Horn
- Replaces: 38150-TZ5-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2019-2023 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
View related parts
Honda Passport Horn, Anti-Theft
Part Number: 8-97148-613-2
Product Specifications
- Other Name: Horn
- Replaces: 8-97148-613-0, 8-97148-613-1
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2002 Honda Passport | 4 Door 2EX-L, 4 Door 4EX, 4 Door 4EX-L | KA 4AT, KL 4AT
View related parts
Honda Passport Horn (Low)
Part Number: 8-97148-563-2
Product Specifications
- Other Name: Horn
- Replaces: 8-97148-563-0, 8-97148-563-1
- 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
View related parts
Honda Passport Horn (High)
Part Number: 8-97148-561-2
Product Specifications
- Other Name: Horn
- Replaces: 8-97148-561-0, 8-97148-561-1
- 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 | KA 4AT, KA 5MT, KL 4AT

Honda Passport Horn

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Honda Passport Horn Parts Questions & Experts Answers

Horn, Dual Tone (High)
8-94329-560-0
Q: What steps should be taken before beginning electrical diagnosis for a horn on Honda Passport?
A: Before beginning electrical diagnosis, check the Fuses. First, disconnect the electrical connector from the horn. To test the horn, connect battery voltage to the two terminals using jumper wires; if the horn doesn't sound, it needs to be replaced. If the horn does sound, check for voltage at the terminal when the horn button is depressed. If there's voltage at the terminal, inspect for a bad ground at the horn. If there's no voltage at the horn, check the Relay, noting that most horn relays are either the four-terminal or externally grounded three-terminal type. If the relay is functioning, check for voltage to the relay power and control circuits; if either circuit lacks voltage, inspect the wiring between the relay and the fuse panel. If both relay circuits are receiving voltage, depress the horn button and check the circuit from the relay to the horn button for continuity to ground. If there's no continuity, check for an open circuit; if there's no open circuit, replace the horn button. If continuity to ground exists through the horn button, check for an open or short in the circuit from the relay to the horn. To replace the horn(s), remove the radiator grille, disconnect the electrical connector, and remove the bracket bolt to detach the horn for models from 1997 and earlier. Installation is the reverse of removal.