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HandsFreeLink Control Unit Inputs and Outputs

When replacing an HandsFreeLink control unit connector, match the wires to the cavities listed in the following table.

Fig 1: Identifying HandsFreeLink Control Unit Connector
G05463299Courtesy of AMERICAN HONDA MOTOR CO., INC.
TERMINAL DESCRIPTION

Cavity Wire Terminal Name Description
1 BLK GND Ground for HandsFreeLink control unit (G503, G601)
2 ORN HFL STRG SW HFL switch input
3 RED HFL MUTE HFL muting signal output
8 GRN(2) HFL COMM4 Communication signal for AcuraLink control unit (XM receiver)
BLK(3) Communication signal for Navigation unit
9 BLK(2) HFL COMM3 Communication signal for AcuraLink control unit (XM receiver)
WHT(3) Communication signal for Navigation unit
11 GRN TELM SIG+ HFL output signal positive
12 GRY(1) MIC SIG SH Shielding for terminal No. 13, 14
13 RED MIC SIG+ Microphone input signal positive
14 GRN MIC SIG- Microphone input signal negative
15 GRY/BLU +B Continuous power source
16 YEL/RED ACC Power source for accessories
19 WHT B-CAN B-CAN bus communication signal
22 RED HFL COMM1 Communication signal for Navigation unit(3) or AcuraLink control unit (XM receiver)(2)
23 WHT(2) HFL COMM2 Communication signal for AcuraLink control unit (XM receiver)
GRN(3) Communication signal for Navigation unit
24 GRY(1) HFL COMM SH Shield for terminal No. 8, 9, 22, 23
25 RED TELM SIG- HFL output signal negative
26(4) GRY(1) MIC OUT SH Shield for terminal No. 27, 28
27(4) BRN MIC OUT+ Microphone output signal positive
28(4) YEL MIC OUT- Microphone output signal negative
(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.
(2) USA models with navigation
(3) Canada models with navigation
(4) With navigation