Honda Element. Manual — part 568
Fig. 10: Identifying Heating/Air Conditioning Door Positions (2 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
The air conditioning system removes heat from the passenger compartment by transferring heat from the
ambient air to the evaporator. The evaporator cools the air with the refrigerant that is circulating through the
evaporator. The refrigerant expands in the evaporator, and the evaporator becomes very cold and absorbs the
heat from the ambient air. The blower fan pushes air across the evaporator where the heat is absorbed, and then
it blows the cool air into the passenger compartment.
2007 Honda Element EX
2007-2008 HVAC HVAC - Element
Fig. 11: HVAC System Diagram
Courtesy of AMERICAN HONDA MOTOR CO., INC.
This vehicle uses HFC-134a (R-134a) refrigerant which does not contain chlorofluorocarbons. Pay attention to
the following service items:
Do not mix refrigerants CFC-12 (R-12) and HFC-134a (R-134a). They are not compatible.
Use only the recommended polyalkyleneglycol (PAG) refrigerant oil (DENSO ND-OIL 8) designed for
the R-134a A/C compressor. Intermixing the recommended (PAG) refrigerant oil with any other
refrigerant oil will result in A/C compressor failure.
All A/C system parts (A/C compressor, discharge line, suction line, evaporator, A/C condenser,
receiver/dryer, expansion valve, O-rings for joints) are designed for refrigerant R-134a. Do not exchange
with R-12 parts.
Use a halogen gas leak detector designed for refrigerant R-134a.
Use a vacuum pump adapter which is equipped with a check valve to prevent the backflow of the vacuum
pump oil.
Separate the manifold gauge sets (pressure gauges, hoses, joints) for refrigerants R-12 and R-134a. Do
not confuse them.
HEATER CONTROL PANEL INPUTS AND OUTPUTS
2007 Honda Element EX
2007-2008 HVAC HVAC - Element
Fig. 12: Heater Control Panel 30P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
TERMINALS REFERENCE
CIRCUIT DIAGRAM
Cavity
Wire color
Signal
1
PNK/BLU
AIR MIX HOT
OUTPUT
2
GRN
AIR MIX COOL
OUTPUT
3
BLK/YEL
IG2 (Power)
INPUT
4
BLK
GROUND
INPUT
5
GRN/WHT
FRESH
OUTPUT
6
GRN/YEL
RECIRCULATE
OUTPUT
7
BLU
A/C PRESSURE SWITCH
OUTPUT
8
WHT/BLU
MODE 3
INPUT
9
RED/YEL
MODE 1
INPUT
10
RED/BLU
MODE 2
INPUT
11
PNK/BLK
AIR MIX POTENTIAL
INPUT
13
LT GRN
SENSOR COMMON GROUND
OUTPUT
14
GRY
AIR MIX POTENTIAL 5 V
OUTPUT
15
YEL/RED
MODE DEF
OUTPUT
16
YEL/BLU
MODE VENT
OUTPUT
18
BLU/YEL
POWER TRANSISTOR
OUTPUT
19
BLU/RED
BLOWER FEED BACK
INPUT
20
RED
GAUGE ASSEMBLY
INPUT
21
RED/BLK
TAILLIGHTS RELAY
INPUT
22
YEL/BLK
REAR WINDOW DEFOGGER RELAY
OUTPUT
23
YEL/GRN
MODE 4
INPUT
28
BRN
EVAPORATOR TEMPERATURE SENSOR
INPUT
2007 Honda Element EX
2007-2008 HVAC HVAC - Element
Fig. 13: HVAC - Circuit Diagram (1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
2007 Honda Element EX
2007-2008 HVAC HVAC - Element
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