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