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Climate Control Unit Inputs and Outputs

WARNING: This page is about a different car, the 2011 Honda Pilot, 2010 Honda Pilot, and 2009 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

CONNECTOR A 

CONNECTOR A REFERENCE TABLE

Cavity Wire color Signal
1 LT GRN REAR WINDOW DEFOGGER RELAY INPUT
2 BLU FRONT BLOWER FEEDBACK INPUT
3 RED FRONT POWER TRANSISTOR CONTROL OUTPUT
4 BLK GROUND (G506) OUTPUT
5 PUR PASSENGER'S AIR MIX COOL OUTPUT
6 LT GRN/BLK PASSENGER'S AIR MIX HOT OUTPUT
7 ORN DRIVER'S AIR MIX COOL OUTPUT
8 RED/BLK DRIVER'S AIR MIX HOT OUTPUT
9 GRN/WHT FRONT MODE VENT OUTPUT
10 GRN FRONT MODE DEF OUTPUT
11 YEL FRESH OUTPUT
12 BLU/ORN RECIRCULATE OUTPUT
13 GRY REAR AIR MIX COOL OUTPUT
14 PNK REAR AIR MIX HOT OUTPUT
16 LT BLU ILLUMINATION (+) INPUT
18 YEL ILLUMINATION (-) OUTPUT
19 YEL IG2 (Power) INPUT
22 RED SENSOR COMMON GROUND INPUT
23 RED/GRN REAR BLOWER FEEDBACK INPUT
24 BLU REAR POWER TRANSISTOR CONTROL OUTPUT
25 PNK OUTSIDE AIR TEMPERATURE SENSOR OUTPUT
26 BRN EVAPORATOR TEMPERATURE SENSOR OUTPUT
27 LT BLU IN-CAR TEMPERATURE SENSOR OUTPUT
28 WHT/BLU REAR EVAPORATOR TEMPERATURE SENSOR OUTPUT
29 PUR SUNLIGHT SENSOR OUTPUT
32 BRN/WHT REAR MODE HEAT INPUT
33 BLK REAR MODE VENT INPUT
35 WHT B-CAN HI INPUT/OUTPUT
36 LT GRN B-CAN LO INPUT/OUTPUT
Fig 1: Identifying Climate Control Unit Connector A (36P) Terminals
G05965962Courtesy of AMERICAN HONDA MOTOR CO., INC.

CONNECTOR B 

CONNECTOR B REFERENCE TABLE

Cavity Wire color Signal
1 BLU AUDIO UNIT(1) (SO) OUTPUT
- - AUDIO-HVAC DISPLAY UNIT(2) (SO) -
2(1) LT BLU NAVIGATION UNIT (NAVI SI) INPUT
3 GRN REAR CLIMATE CONTROL PANEL (BUS DATA) INPUT/OUTPUT
4 GRY COMMON POTENTIAL 5 V OUTPUT
5 YEL HUMIDITY SENSOR OUTPUT
6 LT GRN A/C PRESSURE SENSOR OUTPUT
8 PUR AUDIO UNIT(1) (CLK) OUTPUT
- - AUDIO-HVAC DISPLAY UNIT(2) (CLK) -
9(1) BLU NAVIGATION UNIT (NAVI CLK) OUTPUT
10(1) ORN NAVIGATION UNIT (NAVI SO) OUTPUT
11 PUR REAR AIR MIX POTENTIAL OUTPUT
12 YEL DRIVER'S AIR MIX POTENTIAL OUTPUT
13 ORN PASSENGER'S AIR MIX POTENTIAL OUTPUT
14 BLU FRONT MODE CONTROL MODE 4 INPUT
15 BLU/BLK FRONT MODE CONTROL MODE 3 OUTPUT
16 LT BLU FRONT MODE CONTROL MODE 2 OUTPUT
17 PNK FRONT MODE CONTROL MODE 1 OUTPUT
18 GRY RECIRCULATION CONTROL MODE 3 INPUT
19 BLK RECIRCULATION CONTROL MODE 2 INPUT
20 WHT RECIRCULATION CONTROL MODE 1 INPUT
(1) With navigation

(2) Without navigation
Fig 2: Identifying Climate Control Unit Connector B (20P) Terminals
G05965963Courtesy of AMERICAN HONDA MOTOR CO., INC.