How is the A/C pressure sensor installed and what steps are involved in the process on Honda CR-V?

The HVAC Pressure Switch is mounted in the refrigerant line between the condenser and the evaporator, detecting low (28 psi) and high (455 psi) refrigerant line pressure, shutting the system off if the pressure falls below or exceeds these values. Begin by having the refrigerant discharged and recovered by an air conditioning technician. Next, set the parking brake, block the rear wheels, and raise the front of the vehicle, supporting it securely on jackstands, then remove the under-vehicle splash shield. Locate the switch on the right side of the vehicle and unplug the electrical connector from the HVAC Pressure Switch, ensuring clarity by removing the front bumper cover if necessary. Unscrew the pressure switch from the line, holding the stationary fitting with an open-end wrench to prevent damage. Lubricate the switch O-ring with clean refrigerant oil of the correct type, then screw the new switch onto the refrigerant line and tighten it securely. Reconnect the electrical connector and have the system evacuated, charged, and leak tested by an air conditioning technician.

Genuine Honda CR-V HVAC Pressure Switch

Air Pressure Switch

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7 HVAC Pressure Switches found

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Honda CR-V Sensor Assembly, Press
Part Number: 80450-T2F-A01
$89.80 MSRP: $126.83
You Save: $37.03 (30%)
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Product Specifications
- Other Name: Pressure Switch; Pressure Sensor
- Replaces: 80450-SZW-003, 80450-SFE-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2007-2024 Honda CR-V | 5 Door EX (2WD), 5 Door EX (4WD), 5 Door EX (AWD), 5 Door EX-L (2WD), 5 Door EX-L (4WD), 5 Door EX-L (AWD), 5 Door LX (2WD), 5 Door LX (4WD), 5 Door LX (AWD), 5 Door SE (2WD), 5 Door SE (4WD), 5 Door SE (AWD), 5 Door Touring (2WD), 5 Door Touring (AWD), EX, EX-L, Hybrid EX, Hybrid EX-L, Hybrid Sport, Hybrid Sport Touring, Hybrid Sport-L, Hybrid Touring, LX, Special Edition, Touring | KA 5AT, KA CVT
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Honda CR-V Switch, Air Conditioning (Dual) (Fuji)
Part Number: 80440-SS0-901
$77.80 MSRP: $109.88
You Save: $32.08 (30%)
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Product Specifications
- Other Name: Pressure Cycling Switch
- Replaces: 80440-S84-A02, 80440-SS0-900, 80440-S84-A01, 80440-SK3-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1997-2001 Honda CR-V | 5 Door EX, 5 Door LX (2WD), 5 Door LX (4WD), 5 Door SE | KA 4AT, KA 5MT, KL 4AT, KL 5MT
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Honda CR-V Switch, Air Conditioning (Dual) (Keihin)
Part Number: 80440-SW5-A01
$75.08 MSRP: $106.05
You Save: $30.97 (30%)
ADD TO CART
Product Specifications
- Other Name: Dual Pressure Switch; AC Switch, Pressure Switch
- Replaces: 80440-SW5-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2002-2006 Honda CR-V | 5 Door EX, 5 Door EX (2WD), 5 Door EX (4WD), 5 Door LX (2WD), 5 Door LX (4WD), 5 Door SE | KA 4AT, KA 5AT, KA 5MT
View related parts
Honda CR-V Sensor Assembly, Pressure
Part Number: 80450-SZW-003
$89.80 MSRP: $126.83
You Save: $37.03 (30%)
ADD TO CART
Product Specifications
- Other Name: Pressure Sensor
- Replaced by: 80450-T2F-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2012-2014 Honda CR-V | 5 Door EX (2WD), 5 Door EX (AWD), 5 Door EX-L (2WD), 5 Door EX-L (AWD), 5 Door LX (2WD), 5 Door LX (AWD) | KA 5AT
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Honda CR-V Switch Assembly, Pressure (Denso)
Part Number: 80440-S3N-003
$56.07 MSRP: $79.21
You Save: $23.14 (30%)
ADD TO CART
Product Specifications
- Other Name: Pressure Switch; AC Switch
- Replaces: 80440-SN7-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2002-2006 Honda CR-V | 5 Door EX, 5 Door EX (4WD), 5 Door LX (2WD), 5 Door LX (4WD), 5 Door SE | KA 4AT, KA 5AT, KA 5MT
View related parts
Honda CR-V Switch, Air Conditioning (Dual) (Hadsys)
Part Number: 80440-SW5-003
$75.08 MSRP: $106.05
You Save: $30.97 (30%)
ADD TO CART
Product Specifications
- Replaced by: 80440-SW5-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2002-2006 Honda CR-V | 5 Door EX, 5 Door EX (2WD), 5 Door EX (4WD), 5 Door LX (2WD), 5 Door LX (4WD), 5 Door SE | KA 4AT, KA 5AT, KA 5MT
View related parts
Honda CR-V Switch, Air Conditioning (Dual) (Saginomiya)
Part Number: 80440-SK3-901
$77.80 MSRP: $109.88
You Save: $32.08 (30%)
ADD TO CART
Product Specifications
- Replaced by: 80440-SS0-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1997-2001 Honda CR-V | 5 Door EX, 5 Door LX (2WD), 5 Door LX (4WD), 5 Door SE | KA 4AT, KA 5MT, KL 4AT, KL 5MT

Honda CR-V HVAC Pressure Switch

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Honda CR-V HVAC Pressure Switch Parts Questions & Experts Answers

Sensor Assembly, Pressure
80450-SZW-003
Q: How is the A/C pressure sensor installed and what steps are involved in the process on Honda CR-V?
A: The HVAC Pressure Switch is mounted in the refrigerant line between the condenser and the evaporator, detecting low (28 psi) and high (455 psi) refrigerant line pressure, shutting the system off if the pressure falls below or exceeds these values. Begin by having the refrigerant discharged and recovered by an air conditioning technician. Next, set the parking brake, block the rear wheels, and raise the front of the vehicle, supporting it securely on jackstands, then remove the under-vehicle splash shield. Locate the switch on the right side of the vehicle and unplug the electrical connector from the HVAC Pressure Switch, ensuring clarity by removing the front bumper cover if necessary. Unscrew the pressure switch from the line, holding the stationary fitting with an open-end wrench to prevent damage. Lubricate the switch O-ring with clean refrigerant oil of the correct type, then screw the new switch onto the refrigerant line and tighten it securely. Reconnect the electrical connector and have the system evacuated, charged, and leak tested by an air conditioning technician.