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
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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.
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Fig. 3: A/C Air Flow Diagram
Refrigerant Cycle
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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
SEE MORE:
Under-Dash Subrelay Box Removal, Installation, and Test
Removal & Installation
1. Keyless Access Control Unit - Remove
2. Under-Dash Subrelay Box - Remove
Remove the under-dash subrelay box (A).
3. All Removed Parts - Install
Install the parts in the reverse order of removal.
Test
1. Under-Dash Subrelay Box - Test
The under-dash subrelay box
Safety of Larger Children
WARNING
Allowing a child age 12 or under to sit in
front can result in injury or death if the
passenger's front airbag inflates.
If a larger child must ride in front, move the
vehicle seat as far to the rear as possible,
have the child sit up properly and wear the
seat belt properly, using a booste
