What are the functions and testing methods of different types of relays used in electrical accessories on Honda Crosstour?

Most of the electrical accessories including fuel injection system, horns, starter and fog lamps employ relays to control current to components where a small control circuit current controls a heavy current power circuit. Faulty component in the relay will result in the components which are being powered by the high current circuit not working. Fuses/Relays are located near the engine compartment fuse/relay box and the under-dash fuse and relay box; the engine compartment fuse/relay box is on the left side of the car behind the air filter housing. To identify a particular fuse or relay, first access it by lifting a lid and then you'll find a guide printed at the base. The under dash fuse and relay box is the kick panel on the left, you will need to remove the panel to find the relays. There are two basic types of relays: These circuits, often referred to as 'normally open' and 'five-terminal', are frequently utilized when end-users wish to control a lighting circuit using a PIR detector. Many normal-open relays exist for functions such as the accessory power socket, as well as parts of air conditioning, and they have four external spade connectors placed in a specific direction. A normally-open relay is tested by checking for continuity between terminal No. 1 and terminal No. 2 with the power supply disconnected; conversely, continuity should be obtained when terminal No. 3 is connected to the power and terminal No. 4 is grounded. Some of the relays which include the five-terminal type B relays used in functions such as daytime running and moonroof control are characterized by five terminals. Testing involves probing for continuity between terminal no 1 and 4 when power is switched off, and between terminal no 1 and 2 when power and ground are connected to terminals no 3 and 5 respectively.

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8 Relays found

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Honda Crosstour Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$22.62 MSRP: $32.22
You Save: $9.60 (30%)
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Product Specifications
- Other Name: Horn Relay; Fan Relay, Relay
- Replaces: 39794-SDA-A04, 39794-SDA-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$22.81 MSRP: $32.22
You Save: $9.41 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Fan Relay, Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$63.62 MSRP: $92.20
You Save: $28.58 (31%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Position: Passenger Side
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$50.52 MSRP: $71.35
You Save: $20.83 (30%)
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Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-305, 39794-SDA-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$4.47 MSRP: $6.32
You Save: $1.85 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Relay
- Position: Passenger Side
- Replaced by: 39792-3A0-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-SDA-A02
$29.16 MSRP: $41.53
You Save: $12.37 (30%)
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Product Specifications
- Other Name: Relay; Fuse
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2011 Honda Crosstour | 5 Door EX (2WD), 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT
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Honda Crosstour Relay Unit
Part Number: 38254-TA0-003
$154.44 MSRP: $220.00
You Save: $65.56 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX, 5 Door EX (2WD), 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT
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Honda Crosstour Relay Assembly, Power (5P) (Micro Iso)
Part Number: 39794-SNB-E01
$37.11 MSRP: $52.42
You Save: $15.31 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2010-2015 Honda Crosstour | 5 Door EX-L, 5 Door EX-L (2WD), 5 Door EX-L (4WD) | KA 5AT, KA 6AT

Honda Crosstour Relay

Honda Crosstour Relay maintains the climate and electrical circuits of the crossover running smoothly by serving as a smart switch to toggle on and off high-current devices such as cooling fans and blower motors with a low-power control signal. Inside its small housing, an electromagnet snaps contacts together when voltage arrives, completing the circuit in an instant and avoiding straining the dash switches and the control module. If this Relay fails, the fan can stop, the blower motor can stall, or the A/C controls may be sending the wrong temperature, so swapping out a tired unit before extreme seasons can be done without having to replace larger parts needlessly. Over the production life of the Honda Crosstour, there are two main Relay styles that are predominant. Early models are based on traditional electromechanical units with moving contacts that you could hear click, and later editions start to include solid-state versions that use semiconductor gates, which are faster and not affected by vibration since there are no moving parts. The solid-state style also does not have the problem of contact pitting, which increases service life, while the classic style is still easy to test by touch or sound. This Relay role is small but it is vital. Regardless of version, each Honda Crosstour Relay isolates delicate sensors, such as ambient air and humidity detectors, from heavy fan loads to ensure that the vehicle's control module receives accurate data to maintain comfortable cabin conditions on every Honda Crosstour drive.

In search of affordable OEM Honda Crosstour Relay? Consider browsing through our extensive inventory of genuine Honda Crosstour Relay. Not only do we provide market-leading prices and a manufacturer's warranty, but we also pride ourselves on exceptional customer service and swift delivery.

Honda Crosstour Relay Parts Questions & Experts Answers

Relay Assembly (Micro Iso)
39792-SDA-A01
Q: What are the functions and testing methods of different types of relays used in electrical accessories on Honda Crosstour?
A:
Most of the electrical accessories including fuel injection system, Horns, starter and fog lamps employ relays to control current to components where a small control circuit current controls a heavy current power circuit. Faulty component in the relay will result in the components which are being powered by the high current circuit not working. Fuses/Relays are located near the engine compartment fuse/relay box and the under-dash fuse and relay box; the engine compartment fuse/relay box is on the left side of the car behind the air filter housing. To identify a particular fuse or relay, first access it by lifting a lid and then you'll find a guide printed at the base. The under dash fuse and relay box is the kick panel on the left, you will need to remove the panel to find the relays. There are two basic types of relays: These circuits, often referred to as 'normally open' and 'five-terminal', are frequently utilized when end-users wish to control a lighting circuit using a PIR detector. Many normal-open relays exist for functions such as the accessory power socket, as well as parts of air conditioning, and they have four external spade connectors placed in a specific direction. A normally-open relay is tested by checking for continuity between terminal No. 1 and terminal No. 2 with the power supply disconnected; conversely, continuity should be obtained when terminal No. 3 is connected to the power and terminal No. 4 is grounded. Some of the relays which include the five-terminal type B relays used in functions such as daytime running and moonroof control are characterized by five terminals. Testing involves probing for continuity between terminal no 1 and 4 when power is switched off, and between terminal no 1 and 2 when power and ground are connected to terminals no 3 and 5 respectively.

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