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Telematics Control Unit Connector For Inputs And Outputs

NOTE: The front HFL-ANC/active sound control microphone and the HFL microphone are the same parts.
Connector Index
Telematics Control Unit Connector A (32P)
Telematics Control Unit Connector B (5P)
Telematics Control Unit Connector C (4P)
Telematics Control Unit Connector D (2P)

Telematics Control Unit Connector A (32P) (female terminals) 

GHH476694Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
A1 Not used ---
A2 ACC(VST) Power source for accessories
A3 Not used ---
A4 E-CALL_SW+ Detects signal from LINK/ASSIST buttons
A5 E-CALL_SW- LINK/ASSIST buttons ground
A6 GND Ground for telematics control unit (G304)
A7 SH_MIC Shield for terminals No. 8 and No. 9
A8 MIC- Inputs sound signal from HFL microphone
A9 MIC+ Inputs sound signal from HFL microphone
A10 MIC_PWR Power source for front HFL-ANC/active sound control microphone
A11 HFT_MUTE Outputs HFL microphone directivity switching signal
A12 TELEM_SIG+ Outputs sound prompts
A13 TELEM_SIG- Outputs sound prompts
A14 Not used ---
A15 Not used ---
A16 Not used ---
A17 +B_BACKUP(VST) Continuous power source
A18 IG1_METER(VST) IG1 power source
A19 Not used ---
A20 E-CALL_LED_RED Outputs drive signal for AcuraLink system status indicator LED (red)
A21 E-CALL_LED_GREEN Outputs drive signal for AcuraLink system status indicator LED (green)
A22 YB-CAN A_L Communication signal
Cavity Terminal Name Description
A23 YB-CAN A_H Communication signal
A24 TEL_MUTE Outputs audio system mute signal
A25 HFT_MIC+ Outputs Voice Recognition (VR) prompts
A26 HFT_MIC- Outputs Voice Recognition (VR) prompts
A27 MIC_MUTE Inputs HFL microphone directivity switching signal
A28 SH_TELEM_SIG Shield for terminals No. 12 and No. 13
A29 CDS Inputs collision detection signal
A30 Not used ---
A31 Not used ---
A32 Not used ---

Telematics Control Unit Connector B (5P) (female terminals) 

GHH476695Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
B1 USB GND Ground for USB
B2 USB VBUS Outputs power source for USB
B3 USB DATA+ Communication signal
B4 USB DATA- Communication signal
B5 USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4

Telematics Control Unit Connector C (4P) (female terminals) 

GHH476696Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
C1 TEL ANT 1 Cellular communication signal (primary)
Cavity Terminal Name Description
C2 GNSS(TEL) Inputs GPS signal
C3 SH(TEL ANT 1) Shield for terminal No. 1
C4 SH(GNSS(TEL)) Shield for terminal No. 2

Telematics Control Unit Connector D (2P) (female terminals) 

GHH476697Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
D1 TEL ANT 2 Cellular communication signal (secondary)
D2 SH(TEL ANT 2) Shield for terminal No. 1