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Telematics Control Unit Connector For Inputs And Outputs (2018-19)

Connector Index
Telematics Control Unit Connector A (36P)
Telematics Control Unit Connector B (5P)
Telematics Control Unit Connector C (4P)

TELEMATICS CONTROL UNIT CONNECTOR A (36P) (female terminals) 

GHH195881Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
A1 TCU LED GRN Outputs drive signal for AcuraLink system status indicator LED (green)
A2 TCU SW+ Detects signal from AcuraLink buttons
A3 MIC GND Ground for HFL microphone signal
A4 MIC SIG L Inputs HFL microphone signal
A5 MIC SH Shield for terminals No. 3 and No. 4
A6 TELE SIG+ Outputs HFL prompts and telephone sound signal
A7 GA AUDIO L+ Outputs sound signal
A8 GA AUDIO R+ Outputs sound signal
A9 MIC PWR Power source for HFL microphone
A10 Not used - - -
A11 Not used - - -
A12 Not used - - -
A13 Not used - - -
A14 GA BUS- GA-Net bus communication signal
A15 GA BUS+ GA-Net bus communication signal
A16 HFT MUTE HFL mute signal
A17 Not used - - -
A18 GND Ground for telematics control unit (G303)
A19 TCU LED RED Outputs drive signal for AcuraLink system status indicator LED (red)
A20 TCU SW- AcuraLink buttons ground
A21 NAVI HFT MIC- Outputs Voice Recognition (VR) prompts to audio-navigation unit
A22 NAVI HFT MIC+ Outputs Voice Recognition (VR) prompts to audio-navigation unit
A23 TELE SIG SH Shield for terminals No. 6 and No. 24
A24 TELE SIG- Outputs HFL prompts and telephone sound signal
A25 GA AUDIO L- Outputs sound signal
A26 GA AUDIO R- Outputs sound signal
A27 SH GA AUDIO Shield for terminals No. 7, No. 8, No. 25, and No. 26
A28 GA SYS ON Inputs signal for telematics control unit switching on/off
A29 Not used - - -
A30 IG1 METER (DC)* 1

IG1 METER* 2

Power source for IG1
A31 CDS Inputs collision detection signal
A32 SH GA BUS Shield for terminals No. 14 and No. 15
A33 B-CAN_H B-CAN bus communication signal
A34 B-CAN_L B-CAN bus communication signal
A35 ACC DCDC* 1

ACC* 2

Power source for accessories
A36 +B BACK UP (DC)* 1

+B BACKUP* 2

Continuous power source

*1: With Auto Idle Stop System

*2: Without Auto Idle Stop System

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

GHH195882Courtesy of HONDA, U.S.A., INC.
Cavity  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
B5 USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4

TELEMATICS CONTROL UNIT CONNECTOR C (4P) (female terminals) 

GHH195883Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
C1 TEL Inputs TEL signal
C2 GPS ANT Inputs GPS signal
C3 SH (TEL) Shield for terminal No. 1
C4 GPS SH Shield for terminal No. 2