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Home >> Acura >> 2018 >> TLX Base, 2.4L Eng >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio Visual System - Testing & Troubleshooting (2 Of 2) >> Connector For Inputs And Outputs >> HandsFreeLink Control Unit Connector For Inputs And Outputs (2015-17)
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HandsFreeLink Control Unit Connector For Inputs And Outputs (2015-17)

Connector Index
HandsFreeLink Control Unit Connector A (32P)
HandsFreeLink Control Unit Connector B (5P)

HANDSFREELINK CONTROL UNIT CONNECTOR A (32P) 

GHH195863Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
A1 MIC GND Ground for HFL microphone
A2 MIC SIG L Inputs microphone signal positive
A3 MIC SH Shield for terminals No. 1 and No. 2
A4 TELE SIG+ Outputs HFL prompts and telephone sound signal
A5 GA AUDIO L+ Outputs sound signal
A6 GA AUDIO R+ Outputs sound signal
A7 MIC PWR Power source for HFL microphone
A8 Not used - - -
A9 Not used - - -
A10 Not used - - -
A11 HFT SIRI SIG Not used
A12 GA BUS- GA-Net bus communication signal
A13 GA BUS+ GA-Net bus communication signal
A14 HFT MUTE HFL mute signal
A15 Not used - - -
A16 GA GND Ground for HandsFreeLink control unit
A17 * NAVI HFT MIC- Outputs Voice Recognition (VR) prompts to audio-navigation unit
A18 * NAVI HFT MIC+ Outputs Voice Recognition (VR) prompts to audio-navigation unit
A19 TELE SIG SH Shield for terminals No. 4 and No. 20
A20 TELE SIG- Outputs HFL prompts and telephone sound signal
A21 GA AUDIO L- Outputs sound signal
A22 GA AUDIO R- Outputs sound signal
A23 SH GA AUDIO Shield for terminals No. 5, No. 6, No. 21, and No. 22
A24 GA SYS ON Inputs signal for HandsFreeLink control unit switching on/off
A25 Not used - - -
A26 HFT SIRI SH Shield for terminals No. 11 and No. 27
A27 HFT SIRI GND Not used
A28 SH GA BUS Shield for terminals No. 12 and No. 13
A29 Not used - - -
A30 Not used - - -
A31 Not used - - -
A32 GA+B Continuous power source from audio unit or audio-navigation unit
*: With navigation

HANDSFREELINK CONTROL UNIT CONNECTOR B (5P) 

GHH195864Courtesy of HONDA, U.S.A., INC.
Cavity  Terminal Name  Description 
B1 HFT USB GND Ground for communication signal
B2 HFT USB DATA+ Communication signal
B3 HFT USB DATA- Communication signal
B4 HFT USB VBUS Outputs power source for USB
B5 HFT USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4