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HandsFreeLink Control Unit Inputs and Outputs

Fig 1: Identifying Handsfreelink Control Unit 28P Connector
G06161476Courtesy of AMERICAN HONDA MOTOR CO., INC.

HandsFreeLink Control Unit 28P Connector 

HANDSFREELINK CONTROL UNIT 28P CONNECTOR REFERENCE

Cavity Wire Connects to
1 BLK Ground (G651) (GND)
2 PUR HFL switch (HFL STRG SW)
3 LT GRN Audio unit (HFL MUTE)
4 GRN Navigation display unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (GA-NETBUS+)
5 RED Navigation display unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (GA-NETBUS-)
6 BLK AcuraLink control unit(1), Navigation unit(2) (HIP/NAVI COMM 4)
7 GRN AcuraLink control unit(1), Navigation unit(2) (HIP/NAVI COMM 3)
8 GRY(4) AcuraLink control unit(1), Navigation unit(2) (HIP/NAVI COMM SH)
9 GRN Audio unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (AUDIO R+)
10 WHT Audio unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (AUDIO L+)
11 GRN Stereo amplifier (TELM SIG+)
12 GRY(4) Shielding (MIC SH)
13 GRN Roof console (MIC+)
14 RED Roof console (MIC-)
(1) With AcuraLink

(2) Without AcuraLink

(3) With XM receiver

(4) 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.

HandsFreeLink Control Unit 28P Connector 

HANDSFREELINK CONTROL UNIT 28P CONNECTOR REFERENCE

Cavity Wire Connects to
15 WHT Constant power (+B)
16 PUR ACC (HandsFreeLink power supply)
18 LT GRN B-CAN
19 GRY(4) Navigation display unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (GA-NET BUS SH)
20 RED AcuraLink control unit(1), Navigation unit(2) (HIP/NAVI COMM 1)
21 WHT AcuraLink control unit(1), Navigation unit(2) (HIP/NAVI COMM 2)
22 GRY(4) Audio unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (AUDIO SH)
23 BLK Audio unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (AUDIO R-)
24 RED Audio unit, AcuraLink control unit(1), XM receiver(3), USB adapter unit (AUDIO L-)
25 RED Stereo amplifier (TELM SIG-)
26 GRY(4) Stereo amplifier (TELM SIG SH)
27 GRN Navigation unit (HFL-NAVI MIC+)
28 RED Navigation unit (HFL-NAVI MIC-)
(1) With AcuraLink

(2) Without AcuraLink

(3) With XM receiver

(4) 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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