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.
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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:
DTC B0070-11
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct part number,
and that they were properly installed.
Before doing this troubleshooting procedure, rev
DTC Troubleshooting 111-12: Back-Up Light Switch Stuck ON
NOTE:
Before you troubleshoot, review the general troubleshooting information.
If DTC 86-11 is indicated at the same time, do the DTC 86-11
troubleshooting first.
1. Back-up lights check:
Turn the vehicle to the ON mode.
Check the back-up lights when the shift lever is in neutral.
Are the
