LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2009 >> TL Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Hands Free Link System >> System Description >> HandsFreeLink Control Unit 28P Connector (With Navigation)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

HandsFreeLink Control Unit 28P Connector (With Navigation)

Fig 1: Identifying Handsfreelink Control Unit 28P Connector (With Navigation)
G05989920Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL WIRE COLOR REFERENCE

Cavity Wire Color Terminal Name Connect to
1 BLK GND Body ground to G501
2 GRY HFL STRG SW HFL switch
3 PUR HFL MUTE Audio-navigation unit, HFL-navigation microphone
4 PNK GA-NET BUS+ Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models), navigation display unit
5 BLU GA-NET BUS- Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models), navigation display unit
6 WHT HIP/HFL COMM4 (USA models) AcuraLink control unit (XM receiver)
NAVI COMM4 (Canada models) Audio-navigation unit
7 RED HIP/HFL COMM3 (USA models) AcuraLink control unit (XM receiver)
NAVI COMM3 (Canada models) Audio-navigation unit
8 GRY HIP/HFL COMM SH(USA models) Shield for terminals No 6, No 7, No 20, and No 21
NAVI COMM SH (Canada models) Shield for terminals No 6, No 7, No 20, and No 21
9 GRN AUDIO R+ Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models)
10 BLK AUDIO L+ Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models)
11 BRN TELM SIG+ Audio-navigation unit
12 GRY(1) MIC SH Shield for terminals No 13 and No 14
13 PNK MIC+ HFL-navigation microphone
14 BLU MIC- HFL-navigation microphone
15 WHT +B No 15 (10 A) fuse in the under-hood fuse/relay box
16 PUR ACC No 18 (7 5 A) fuse in the driver's under-dash fuse/relay box
17 BLU B-CAN LO B-CAN communication bus line
18 PNK B-CAN HI B-CAN communication bus line
19 GRY(1) GA-NET BUS SH Shield for terminals No. 4 and No 5
20 BLK HIP/HFL COMM1 (USA models) AcuraLink control unit (XM receiver)
NAVI COM M1 (Canada models) Audio-navigation unit
21 GRN HIP/HFL COMM2 (USA models) AcuraLink control unit (XM receiver)
NAVI COMM2 (Canada models) Audio-navigation unit
22 GRY(1) AUDIO SH Shield for terminals No 9, No 10, No 23, and No 24
23 WHT AUDIO R- Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models)
24 RED AUDIO L- Audio-navigation unit, AcuraLink control unit (XM receiver) (USA models), XM receiver (Canada models)
25 YEL TELM SIG- Audio-navigation unit
26 GRY(1) TELM SIG SH Shield for terminals No 11 and No 25
27 GRN MIC SIG+ Audio-navigation unit
28 RED 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 listed on the schematic