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HandsFreeLink Control Unit 28P Connector

Fig 1: Identifying HandsFreeLink Control Unit 28P Connector Terminals
G06432017Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINALS REFERENCE CHART

Cavity Wire Color Terminal Name Connects to
1 BLK GND Body ground to G503
2 GRN HFL STRG SW HFL switch
3 BRN HFL MUTE Audio-navigation unit
6 LT GRN NAVI COMM4 Audio-navigation unit
7 PNK NAVI COMM3 Audio-navigation unit
8 GRY* NAVI COMM SH Shield for terminals No. 6, No. 7, No. 20, and No. 21
11 YEL TELM SIG+ Audio-navigation unit
12 GRY(1) MIC SH Shield for terminals No. 13 and No. 14
13 BLU MIC+ HFL-navigation microphone
14 PNK MIC- HFL-navigation microphone
15 PNK +B No. 1 (15A) fuse in the under-dash fuse/relay box
16 PUR ACC No. 14 (7.5A) fuse in the under-dash fuse/relay box
18 GRN B-CAN B-CAN communication bus line
19 BLU HFL ICON Audio-navigation unit
20 ORN NAVI COMM1 Audio-navigation unit
21 LT BLU NAVI COMM2 Audio-navigation unit
25 BRN TELM SIG- Audio-navigation unit
26 GRY(1) TELM SIG SH Shield for terminals No. 11 and No. 25
27 RED MIC SIG+ Audio-navigation unit
28 GRN MIC SIG- Audio-navigation unit
(1) The shielded wires have a heat-shrink tube insulating the outside of the wire. The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram.
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