Heater Control Panel Inputs and Outputs

WARNING: This page is about a different car, the 2008 Honda Pilot, 2007 Honda Pilot, and 2006 Honda Pilot. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Heater Control Panel 30P Connectors

Courtesy of AMERICAN HONDA MOTOR CO., INC.

HEATER CONTROL PANEL 30P CONNECTORS REFERENCE

Cavity	Wire color	Signal
1	BRN/YEL	REAR WINDOW DEFOGGER RELAY	OUTPUT
3	BLU/RED	BLOWER FEEDBACK	INPUT
4	ORN/BLK	POWER TRANSISTOR CONTROL	OUTPUT
6	GRN/WHT	RECIRCULATE	OUTPUT
7	GRN/RED	FRESH	OUTPUT
8	BLU/BLK	MODE DEF	OUTPUT
9	BLU/ORN	MODE VENT	OUTPUT
10	WHT	AIR MIX COOL	OUTPUT
11	RED/YEL	AIR MIX HOT	OUTPUT
13	BLK/YEL	IG2 (Power)	INPUT
14	RED/BLK	TAILLIGHTS RELAY	INPUT
15	BLU/YEL	MODE4	INPUT
16	LT GRN/BLK	MODE3	INPUT
17	GRN/YEL	MODE2	INPUT
18	GRN/BLK	MODE1	INPUT
19	BRN	EVAPORATOR TEMPERATURE SENSOR	INPUT
21	PNK/BLK	AIR MIX POTENTIAL	INPUT
23	RED/ORN	A/C PRESSURE SWITCH	OUTPUT
25	GRY	AIR MIX POTENTIAL +5V	OUTPUT
27	YEL/GRN	SENSOR COMMON GROUND	OUTPUT
29	BLK	GROUND (G401)	INPUT
30	RED	MULTIPLEX CONTROL UNIT (DRIVER'S)	INPUT