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HandsFreeLink Control Unit Inputs and Outputs

Fig 1: Identifying HandsFreeLink Control Unit 28P Connector
G06467496Courtesy of AMERICAN HONDA MOTOR CO., INC.

HANDSFREELINK CONTROL UNIT 28P CONNECTOR 

Fig 2: Identifying HandsFreeLink Control Unit 28P Connector Terminals
G06467497Courtesy of AMERICAN HONDA MOTOR CO., INC.
WIRE COLOR REFERENCE CHART

Cavity Wire Color Connect to
1 BLK Body ground to G501 (GND)
2 BLU HFL switch (HFL STRG SW)
3 LT BLU Navigation unit (HFL MUTE)
6 WHT Navigation unit (HFL/NAVI COMM4)
7 RED Navigation unit (HFL/NAVI COMM3)
8 GRY(1) Shield for terminals No. 6, No. 7, No. 20, and No. 21 (HFL/NAVI COMM SH)
11 BLU Navigation unit (TELM SIG+)
12 GRY(1) Shield for terminals No. 13 and No. 14 (MIC SH)
13 YEL HFL-navigation microphone (MIC+)
14 BRN HFL-navigation microphone (MIC-)
15 WHT No. 23 (10 A) fuse in the under-dash fuse/relay box (+B)
16 PUR No. 35 (7.5 A) fuse in the under-dash fuse/relay box (ACC)
18 PNK B-CAN communication (B-CAN)
19 LT GRN Navigation unit (HFL icon)
20 BLK Navigation unit (HFL/NAVI COMM1)
21 GRN Navigation unit (HFL/NAVI COMM2)
25 PNK Navigation unit (TELM SIG -)
26 GRY(1) Shield for terminals No. 11 and No. 25 (TELM SIG SH)
27 GRN Navigation unit (MIC SIG+)
28 RED Navigation unit (MIC SIG-)
(1) The shielded wires have a heat-shrunk 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 listed on the schematic.