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Audio Unit Connector Inputs and Outputs: Overview

Audio Unit Connector C (6P) ('06-08 models) 

AUDIO UNIT CONNECTOR C (6P) ('06-08 MODELS)

Cavity Wire Connects to
C1 RED Auxiliary jack assembly-AUX DET
C2 GRN Auxiliary jack assembly-AUX GND
C3 WHT Auxiliary jack assembly-AUX R
C4 RED Auxiliary jack assembly-AUX SGND
C5 BLK Auxiliary jack assembly-AUX L
C6 GRY Auxiliary jack assembly-AUX SH GND

Audio Unit Connector D (5P) ('06-08 models) 

AUDIO UNIT CONNECTOR D (5P) ('06-08 MODELS)

Cavity Wire Connects to
D2 BLU HandsFreeLink control unit (HFL mute)
D3 YEL HandsFreeLink control unit (RG GND)
D4 BRN HandsFreeLink control unit (RG L+)
D5 GRY HFL shield

Audio-HVAC Display Panel Connector C (10P) 

AUDIO-HVAC DISPLAY PANEL CONNECTOR C (10P)

Cavity Wire Connects to Cavity Wire Connects to
C1 BLK Audio-HVAC subdisplay ground (5 V) C7 BLU Audio-HVAC subdisplay CE signal line
C2 BLU/ORN(1) Audio-HVAC subdisplay 5 V signal line C8 GRY Audio-HVAC subdisplay shielding ground
BLU(2)
C4 YEL/RED(1) Audio-HVAC subdisplay reset signal line C9 RED Audio-HVAC subdisplay LCD (BL-) signal line
YEL(2)
C5 YEL(1) Audio-HVAC subdisplay clock signal line C10 GRN Audio-HVAC subdisplay LCD (BL+) signal line
PUR(2)
C6 BLU/RED(1) Audio-HVAC subdisplay data signal line - -- --
ORN(2)
(1) '04 model
(2) '05-08 models


With navigation type printed circuit board connector.

Fig 1: Identifying 14P Connector, 20P Connector And 2P Connector
G05489180Courtesy of AMERICAN HONDA MOTOR CO., INC.

20P Connector 

20P CONNECTOR

Terminal Signal Terminal Signal
1 VOL-B 12 ELECT SW
2 VOL-A 13 AC DATA-OUT
3 COM2 14 LCD BL+
4 COM1 15 LCD BL-
6 ILL 8 V-B 16 ACC 5 V
7 ILL GND-C 17 SW1
8 ILL 8 V-C 18 SW2
9 ILL GND-B 19 SW3
10 ILL GND-A 20 ILL 8 V-A
11 COM3 - --

14P Connector 

14P CONNECTOR

Terminal Signal Terminal Signal
1 GREEN-LED 9 ANTI-RED
2 TUNE-B 10 VDD 5 V
3 TUNE-A 11 SD-CE
6 PWR SW 12 SD-DATA
7 P-GND 13 SD-CLOCK
8 RED-LED 14 SD-RESET

2P Connector 

2P CONNECTOR

Terminal Signal Terminal Signal
1 ILL+ 2 ILL-


Without navigation type printed circuit board connector.

Fig 1: Identifying 14P Connector, 20P Connector And 2P Connector
G05489181Courtesy of AMERICAN HONDA MOTOR CO., INC.

20P Connector 

20P CONNECTOR

Terminal Signal Terminal Signal
1 ILL GND-A 12 LCD-CLK
2 ILL GND-B 13 LCD-CE
3 ILL 8 V-C 14 LCD-DO
4 ILL GND-C 15 ACC 5 V
5 ILL 8 V-B 16 LCD BL-
9 VOL-A 17 LCD BL+
10 VOL-B 19 EJECT SW
11 ILL 8 V-A 20 LCD-DI

14P Connector 

14P CONNECTOR

Terminal Signal Terminal Signal
1 P-GND 8 SD-REST
2 PWR-SW 9 SD-CLK
3 ILL-GND-D 10 SD-DATA
4 ILL 8 V-D 11 SD-CE
5 TUNE-A 12 VDD 5 V
6 TUNE-B 13 ANTI-LED
7 GREEN-LED 14 RED-LED

2P Connector 

2P CONNECTOR

Terminal Signal Terminal Signal
1 ILL+ 2 ILL-