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Home >> Acura >> 2019 >> TLX Base, 2.4L Eng >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio Visual System - Testing & Troubleshooting (2 Of 2) >> Connector For Inputs And Outputs >> Audio-Navigation Unit Connector For Inputs And Outputs (Undefined) (2018)
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Audio-Navigation Unit Connector For Inputs And Outputs (Undefined) (2018)

Connector Index
Audio-Navigation Unit Connector A (24P)
Audio-Navigation Unit Connector B (8P)
Audio-Navigation Unit Connector C (20P)
Audio-Navigation Unit Connector D (12P)
Audio-Navigation Unit Connector E (5P)
Audio-Navigation Unit Connector F (18P)
Audio-Navigation Unit Connector G (24P)
Audio-Navigation Unit Connector H (16P)
Audio-Navigation Unit Connector J (5P)
Audio-Navigation Unit Connector K (5P)
Audio-Navigation Unit Connector L (3P)
Audio-Navigation Unit Connector M (2P)
Audio-Navigation Unit Connector N (20P)

AUDIO-NAVIGATION UNIT CONNECTOR A (24P) (female terminals) 

GHH195817Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
A1 GND Ground for audio-navigation unit (G303)
A2 B-CAN_L B-CAN bus communication signal
A3 +B AUDIO (DC)* 1

+B AUDIO* 2

Continuous power source
A4 B-CAN_H B-CAN bus communication signal
A5 RL SP PRE+ Outputs sound signal for left rear channel
A6 RL SP PRE- Outputs sound signal for left rear channel
A7 Not used - - -
A8 Not used - - -
A9 RR SP PRE+ Outputs sound signal for right rear channel
A10 RR SP PRE- Outputs sound signal for right rear channel
A11 Not used - - -
A12 SCTY 2 Security signal from center display unit
A13 K LINE Detects scan tool signal (serial data)
A14 Not used - - -
A15 FL SP PRE+ Outputs sound signal for left front channel
A16 FL SP PRE- Outputs sound signal for left front channel
A17 Not used - - -
A18 Not used - - -
A19 FR SP PRE+ Outputs sound signal for right front channel
A20 FR SP PRE- Outputs sound signal for right front channel
A21 SWD+B Outputs signal for stereo amplifier, CarPlay and Android Auto unit, and ANC/active sound control unit switching on/off
A22 Not used - - -
A23 Not used - - -
A24 ACC DCDC* 1

ACC* 2

Power source for accessories

*1: With Auto Idle Stop System

*2: Without Auto Idle Stop System

AUDIO-NAVIGATION UNIT CONNECTOR B (8P) (female terminals) 

GHH195818Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
B1 CTR PRE+ Outputs sound signal for front center channel
B2 Not used - - -
B3 CTR PRE- Outputs sound signal for front center channel
B4 ANC CHK2 Outputs ANC test signal
B5 SUBW PRE+ Outputs sound signal for subwoofer channel
B6 Not used - - -
B7 SUBW PRE- Outputs sound signal for subwoofer channel
B8 Not used - - -

AUDIO-NAVIGATION UNIT CONNECTOR C (20P) (female terminals) 

GHH195819Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
C1 TELE SIG SH Shield for terminals No. 2 and No. 12
C2 TELE SIG- Inputs HFL prompts and telephone sound signal from telematics control unit or HandsFreeLink control unit
C3 Not used - - -
C4 RS485- Communication signal to stereo amplifier
C5 RS485+ Communication signal to stereo amplifier
C6 AUX DET GND Ground for auxiliary jack assembly
C7 AUX SH Shield for terminals No. 8, No. 17, and No. 18
C8 AUX SIG GND Ground for sound signal from auxiliary jack assembly
C9 Not used - - -
C10 Not used - - -
C11 ATP-P Inputs shift position signal
C12 TELE SIG+ Inputs HFL prompts and telephone sound signal from telematics control unit or HandsFreeLink control unit
C13 Not used - - -
C14 Not used - - -
C15 RS485 SH Shield for terminals No. 4 and No. 5
C16 AUX DET Detects connection signal for auxiliary jack assembly
C17 AUX RCH Inputs sound signal from auxiliary jack assembly
C18 AUX LCH Inputs sound signal from auxiliary jack assembly
C19 Not used - - -
C20 Not used - - -

AUDIO-NAVIGATION UNIT CONNECTOR D (12P) (female terminals) 

GHH195820Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
D1 GA BUS- GA-Net bus communication signal
D2 SH GA BUS Shield for terminals No. 1 and No. 7
D3 GA AUDIO L- Inputs sound signal from telematics control unit or HandsFreeLink control unit
D4 GA AUDIO R- Inputs sound signal from telematics control unit or HandsFreeLink control unit
D5 SH GA AUDIO Shield for terminals No. 3, No. 4, No. 9, and No. 10
D6 GA GND GA-Net related units ground
D7 GA BUS+ GA-Net bus communication signal
D8 GA SYS ON Output signal for GA-Net related units switching on/off
D9 GA AUDIO L+ Inputs sound signal from telematics control unit or HandsFreeLink control unit
D10 GA AUDIO R+ Inputs sound signal from telematics control unit or HandsFreeLink control unit
D11 Not used - - -
D12 GA+B Outputs power source for GA-Net related units

AUDIO-NAVIGATION UNIT CONNECTOR E (5P) (female terminals) 

GHH195821Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
E1 TUNE SH Shield for terminals No. 2, No. 3, No. 4, and No. 5
E2 TUNE L- Inputs sound signal from tuner unit
E3 TUNE L+ Inputs sound signal from tuner unit
E4 TUNE R- Inputs sound signal from tuner unit
E5 TUNE R+ Inputs sound signal from tuner unit

AUDIO-NAVIGATION UNIT CONNECTOR F (18P) (female terminals) 

GHH195822Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
F1 GND Ground for audio-navigation unit (G303)
F2 Not used - - -
F3 +B AUDIO (DC)* 1

+B AUDIO* 2

Continuous power source
F4 IG1 METER IG1 power source
F5 Not used - - -
F6 NAVI HFT SH Shield for terminals No. 13 and No. 14
F7 Not used - - -
F8 Not used - - -
F9 JOG SH Shield for terminal No. 16
F10 VSP Detects vehicle speed pulse from PCM
F11 Not used - - -
F12 Not used - - -
F13 NAVI HFT MIC+ Inputs Voice Recognition (VR) prompts from microphone via telematics control unit or HandsFreeLink control unit
F14 NAVI HFT MIC- Inputs Voice Recognition (VR) prompts from microphone via telematics control unit or HandsFreeLink control unit
F15 Not used - - -
F16 JOG Inputs center switch panel and interface dial operation signal
F17 F-CAN_H *3

F-CAN B_H *4

F-CAN bus communication signal
F18 F-CAN_L *3

F-CAN B_L *4

F-CAN bus communication signal

*1: With Auto Idle Stop System

*2: Without Auto Idle Stop System

*3: L4 engine

*4: V6 engine

AUDIO-NAVIGATION UNIT CONNECTOR G (24P) (female terminals) 

GHH195823Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
G1 Not used - - -
G2 MVC SH* 1

CAMERA SH* 2

Shield for terminals No. 3 and No. 15
G3 MVC GND* 1

CAMERA GND* 2

Ground for video signal
G4 Not used - - -
G5* 2 CAMERA BIT 0 Mode select signal for rearview camera
G6 Not used - - -
G7 Not used - - -
G8 Not used - - -
G9 Not used - - -
G10 Not used - - -
G11* 1 MVC VID SW Camera view mode change signal from multi view camera unit
G12* 1 MVC ADPT Detects connection for multi view camera unit
G13 Not used - - -
G14 Not used - - -
G15 MVC VID* 1

CAMERA V* 2

Video signal for rearview camera or multi view camera unit
G16* 2 CAMERA VCC Power source for rearview camera
G17* 2 CAMERA ADPT Control signal for rearview camera
G18* 2 CAMERA BIT 1 Mode select signal for rearview camera
G19 Not used - - -
G20 Not used - - -
G21 *3 TUNER RS485 SH Shield for terminals No. 22 and No. 23
G22 *3 TUNER RS485+ Communication signal to tuner unit
G23 *3 TUNER RS485- Communication signal to tuner unit
G24 BACK LT Reverse signal of select lever from reverse relay circuit

*1: With MVCS

*2: Without MVCS

*3: With XM

AUDIO-NAVIGATION UNIT CONNECTOR H (16P) (female terminals) 

GHH195824Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
H1 AUX NAVI SH Shield for terminals No. 2, No. 9, and No. 10
H2 AUX NAVI GND Ground for front audio signal of navigation
H3 CP/AA MIC GND Ground for microphone signal
H4 CP/AA MIC SH Shield for terminals No. 3 and No. 12
H5 CP/AA SIRI RG SH Shield for terminals No. 13 and No. 14
H6 CP/AA MAIN SH Shield for terminals No. 7, No. 8, No. 15, and No. 16
H7 CP/AA MAIN L- Inputs sound signal
H8 CP/AA MAIN L+ Inputs sound signal
H9 Not used - - -
H10 AUX NAVI Outputs front audio signal of voice guidance and Voice Recognition (VR) prompts
H11* HFT MUTE Inputs HFL mute signal
H12 CP/AA MIC Outputs microphone signal positive
H13 CP/AA SIRI RG+ Secondary audio line for arbitration with the main audio to the amplifier
H14 CP/AA SIRI RG+ Secondary audio line for arbitration with the main audio to the amplifier
H15 CP/AA MAIN R+ Inputs sound signal
H16 CP/AA MAIN R- Inputs sound signal
*: With AcuraLink

AUDIO-NAVIGATION UNIT CONNECTOR J (5P) (female terminals) 

GHH195825Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
J1 USB GND Ground for USB
J2 USB VBUS Outputs power source for USB
J3 USB DATA+ Communication signal for telematics control unit or HandsFreeLink control unit
J4 USB DATA- Communication signal for telematics control unit or HandsFreeLink control unit
J5 USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4

AUDIO-NAVIGATION UNIT CONNECTOR K (5P) (female terminals) 

GHH195826Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
K1 CP/AA USB GND Ground for USB
K2 Not used - - -
K3 CP/AA USB DATA+ Communication signal for CarPlay and Android Auto unit
K4 CP/AA USB DATA- Communication signal for CarPlay and Android Auto unit
K5 CP/AA USB SH Shield for terminals No. 1, No. 3, and No. 4

AUDIO-NAVIGATION UNIT CONNECTOR L (3P) (female terminals) 

GHH195827Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
L1 GVIF- Outputs video signal for center display unit
L2 GVIF+ Outputs video signal for center display unit
L3 GVIF SH Shield for terminals No. 1 and No. 2

AUDIO-NAVIGATION UNIT CONNECTOR M (2P) (female terminals) 

GHH195828Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
M1 GPS ANT Inputs GPS signal
M2 GPS SH Shield for terminal No. 1

AUDIO UNIT CONNECTOR N (20P) (female terminals) 

GHH195829Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description
N1 T.M.D.S DATA2+ Inputs video/audio data signal
N2 T.M.D.S DATA2 SHIELD Shield for terminals No. 1 and No. 3
N3 T.M.D.S DATA2- Inputs video/audio data signal
N4 T.M.D.S DATA1+ Inputs video/audio data signal
N5 T.M.D.S DATA1 SHIELD Shield for terminals No. 4 and No. 6
N6 T.M.D.S DATA1- Inputs video/audio data signal
N7 T.M.D.S DATA0+ Inputs video/audio data signal
N8 T.M.D.S DATA 0 SHIELD Shield for terminals No. 7 and No. 9
N9 T.M.D.S DATA0- Inputs video/audio data signal
N10 T.M.D.S CLOCK+ TMDS synchronous signal
N11 T.M.D.S CLOCK SHIELD Shield for terminals No. 10 and No. 12
N12 T.M.D.S CLOCK- TMDS synchronous signal
N13 Not used - - -
N14 Not used - - -
N15 SCL I2C bus synchronous signal
N16 SDA I2C bus communication signal
N17 DDC, CEC GROUND Ground for HDMI control signal
N18 +5V POWER 5 V power supply
N19 HOT PLUG DETECT Detects connection signal
N20 SHIELD Shield for all of terminals