Audio-HVAC Display Unit Connector for Inputs and Outputs (Without Navigation System)

Fig 1: Identifying Audio-HVAC Display Unit Connector Terminals (Without Navigation System)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Audio-HVAC Display Unit 12P Connector 

WIRE CONNECTOR REFERENCE CHART

Cavity	Wire	Connects to
1	GRN	Audio unit (DUET RX) (UART)
2	RED	Audio unit (DUET TX) (UART)
4	BLU	Audio unit (DUET CONT)
5	LT GRN	Audio-HVAC display unit power supply (IG2)
6	WHT	Constant power (+B)
7	RED	Climate control unit (DISP CLK)
8	PUR	Climate control unit (DISP SI)
9	BLK	Ground (G401) (GND)
10	RED	Dash lights brightness controller (ILL-BULB)
12	GRY	Lights-on signal (ILL+)