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Home >> Acura >> 2017 >> MDX Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio Visual Systems - Connector Identification (Except Hybrid) >> Connector View >> HandsFreeLink Control Unit Connector for Inputs and Outputs (2017)
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HandsFreeLink Control Unit Connector for Inputs and Outputs (2017)

GHH314607Courtesy of HONDA, U.S.A., INC.

HANDSFREELINK CONTROL UNIT CONNECTOR A (32P) (female terminals) 

GHH314608Courtesy of HONDA, U.S.A., INC.
Cavity Wire Color Terminal Name Description
A1 GRN MIC SIG- Ground for HFL microphone
A2 RED MIC SIG+ Inputs microphone signal positive
A3 GRY MIC GND Shield for terminal No. 2
A4 BRN TELEM SIG+ Outputs HFL prompts and telephone sound signal
A5 BLK GA AUDIO L+ Outputs sound signal
A6 GRN GA AUDIO R+ Outputs sound signal
A7 WHT MIC PWR Power source for HFL microphone
A8 Not used Not used - - -
A9 Not used Not used - - -
A10 Not used Not used - - -
A11 LT BLU HFT SIRI SIG+ Not used (reservation line)
A12 YEL GA BUS - GA-Net bus communication signal
A13 BRN GA BUS + GA-Net bus communication signal
A14 LT BLU HFT MUTE HFL mute signal
A15 Not used Not used - - -

*: With navigation

Cavity Wire Color Terminal Name Description
A16 PUR GND Ground for HandsFreeLink control unit
A17* RED NAVI/HFT MIC- Outputs Voice Recognition (VR) prompts to audio-navigation unit
A18* GRN NAVI/HFT MIC+ Outputs Voice Recognition (VR) prompts to audio-navigation unit
A19 GRY TELEM SIG SH Shield for terminals No. 4 and No. 20
A20 YEL TELEM SIG- Outputs HFL prompts and telephone sound signal
A21 RED GA AUDIO L- Outputs sound signal
A22 WHT GA AUDIO R- Outputs sound signal
A23 GRY GA AUDIO SH Shield for terminals No. 5, No. 6, No. 21, and No. 22
A24 TAN GA SYS ON Inputs signal for HandsFreeLink control unit switching ON/OFF
A25 Not used Not used - - -
A26 GRY HFT SIRI SH Shield for terminals No. 11 and No. 27
A27 PUR HFT SIRI GND Not used (reservation line)
A28 GRY GA BUS SH Shield for terminals No. 12 and No. 13
A29 Not used Not used - - -
A30 Not used Not used - - -
A31 Not used Not used - - -
A32 WHT GA +B Continuous power source from audio-navigation unit

*: With navigation

HANDSFREELINK CONTROL UNIT CONNECTOR B (5P) (female terminals) 

GHH314609Courtesy of HONDA, U.S.A., INC.
Cavity Wire Color Terminal Name Description
B1 - - - USB GND Ground for communication signal
B2 - - - USB DATA+ Communication signal
B3 - - - USB DATA- Communication signal
B4 - - - USB VBUS Outputs power source for USB device
B5 - - - USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4