Honda HR-V Owners & Service Manuals

Honda HR-V: A/C System Description - Overview

The air conditioning system regulates temperature air outlet by mixing cold and warm air in an appropriate ratio. The heater core and evaporator core are installed in the heater unit and has the air mix damper and the mode control damper. The blower unit is composed of a blower motor, the recirculation control damper and the air conditioner filter. The blower unit is connected to a heater unit by the duct integral with the blower unit.

System Diagram

HVAC System - Testing & Troubleshooting
Fig. 2: A/C System Diagram

Air Flow Diagram

NOTE: The following illustration of the A/C system is just to give an example of what a normal item would look like. Therefore, the door shape of the damper, the number of doors, the appearance of the heater core and the evaporator core and so forth, and the layout of parts may vary depending on the model.

HVAC System - Testing & Troubleshooting
Fig. 3: A/C Air Flow Diagram

Refrigerant Cycle

HVAC System - Testing & Troubleshooting
Fig. 4: A/C Refrigerant Flow Diagram

Heater Control (Without Climate Control)

The temperature control and air outlet position are mechanically switched by connecting between each damper of the heater control and heater unit with the wire cable. The fan volume can be changed stepwise by changing the fan motor voltage with the fan switch rotation.

    READ NEXT:

     Climate Control System Description - Customize Function

    How to Change the Set Temperature The climate control unit has a function to change the set temperature +2.7 ºF (+1.5 ºC) or -2.7 ºF (-1.5 ºC) degrees. NOTE: Verify that the climate cont

     Rear Window Defogger System Description - Control/Function

    The Timer Function (Without Climate Control) The rear window defogger provides the timer control function that is controlled by the HVAC control unit. The timer control is operated by turning the veh

     Testing

    SEE MORE:

     Maintenance Items Under the Hood

    Opening the Hood 1. Park the vehicle on a level surface, and set the parking brake. 2. Pull the hood release handle under the lower left corner of the dashboard. The hood will pop up slightly. 3. Pull up the hood latch lever in the center of the hood to release the lock mechanism, and open the

     Rear Differential Oil Seal Replacement (AWD)

    Special Tools Required Driver Handle, 40 mm I.D. 07746-0030100 Replacement Driveshaft Side 1. Vehicle - Lift 2. Rear Differential Assembly - Remove 3. Oil Seal - Remove 4. Oil Seal - Install Install a new oil seal (A) even and flush with the machined edge of the differential carrier assembly

    © 2019-2025 Copyright www.hohrv2.com