LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2017 >> Ridgeline RTL, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Visual System - Connector Views / Diagrams >> Connector View >> Audio-Navigation Unit Connector for Inputs and Outputs (2024 2025)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Audio-Navigation Unit Connector for Inputs and Outputs (2024 2025)

Connector Index
Audio-Navigation Unit Connector A (24P)
Audio-Navigation Unit Connector B (16P)
Audio-Navigation Unit Connector C (36P)
Audio-Navigation Unit Connector D (12P) (Without stereo amplifier)
Audio-Navigation Unit Connector E (6P) (With stereo amplifier)
Audio-Navigation Unit Connector E (2P) (Without stereo amplifier)
Audio-Navigation Unit Connector F (10P)
Audio-Navigation Unit Connector G (3P)
Audio-Navigation Unit Connector H (2P)
Audio-Navigation Unit Connector K (2P) (With XM radio)

Audio-Navigation Unit Connector A (24P) (female terminals) 

GHH626173Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
A1 GND Audio-navigation unit ground
A2 GND Audio-navigation unit ground
A3 +B AUDIO(DC/DC) +B power source
A4 +B BACKUP(DC/DC) +B power source
A5* RL SP+ Outputs sound signal for left rear door speaker
A6* RL SP- Outputs sound signal for left rear door speaker
A7* RR SP+ Outputs sound signal for right rear door speaker
A8* RR SP- Outputs sound signal for right rear door speaker
A9 --- Not used
A10 --- Not used
A11 --- Not used
A12 K-LINE Communication line
A13 --- Not used
A14 B-CAN_H Communication line
A15* FL SP+ Outputs sound signal for driver's door speaker and left tweeter
A16* FL SP- Outputs sound signal for driver's door speaker and left tweeter
A17* FR SP+ Outputs sound signal for front passenger's door speaker and right tweeter
A18* FR SP- Outputs sound signal for front passenger's door speaker and right tweeter
A19 --- Not used

*: Without stereo amplifier

Terminal number Terminal Name Description
A20 BACK LT Detects reverse signal
A21 RADIO SW+B Outputs signal for related unit switching on/off
A22 VSP OUT Inputs vehicle speed pulse
A23 RR CAMERA ACC DIODE ACCESSORY power source and detects reverse signal
A24 B-CAN_L Communication line

*: Without stereo amplifier

Audio-Navigation Unit Connector B (16P) (female terminals) 

GHH626174Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
B1 TUNER 6V Power source for tuner unit
B2 TUNER 9V Power source for tuner unit
B3* AUX NAVI SH Shield for terminals No. 4, No. 11, and No. 12
B4* AUX NAVI GND Basis ground for terminals No. 11 and No. 12
B5 --- Not used
B6* SH RS485 Shield for terminals No. 7 and No. 8
B7* RS485+ Communication line
B8* RS485- Communication line
B9 TUNER GND Ground for tuner unit
B10 --- Not used
B11* AUX BEEP Outputs system beep signal
B12* AUX NAVI Outputs sound signal for voice guidance and Voice Recognition (VR) prompts
B13 --- Not used
B14 TUNER RS485 SH Shield for terminals No. 15 and No. 16
B15 TUNER RS485+ Communication line
B16 TUNER RS485- Communication line

*: With stereo amplifier

Audio-Navigation Unit Connector C (36P) (female terminals) 

GHH626175Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
C1* ANC R+ Inputs noise cancelling signal from ANC/active sound control unit
C2* ANC R- Inputs noise cancelling signal from ANC/active sound control unit
C3* AUD F MIX GND Basis ground for terminals No. 21
C4 HFT MUTE Outputs front HFL-ANC/active sound microphone directivity switching signal
C5 MIC SH Shield for terminals No. 6 and No. 23
C6 MIC GND Ground for sound signal from HFL-ANC/active sound microphone
C7 --- Not used
C8 --- Not used
C9 --- Not used
C10 --- Not used
C11 CAMERA V Inputs NTSC video signal from rearview camera
C12 RC GND Ground for rearview camera
C13 BIT 0 Outputs view mode select signal for rearview camera
C14 RWC ADPT Detects connection for rearview camera
C15 M-CAN_H Communication line
C16 DISP CONT Outputs signal for center display unit switching on/off
C17 --- Not used
C18 --- Not used
C19* ANC F+ Inputs noise cancelling signal from ANC/active sound control unit
C20* ANC F- Inputs noise cancelling signal from ANC/active sound control unit
C21* AUD F MIX Inputs noise cancelling mixing signal from ANC/active sound control unit
C22 MIC PWR Power source for front HFL-ANC/active sound microphone
C23 MIC SIG+ Inputs sound signal from HFL-ANC/active sound microphone
C24 --- Not used
C25 --- Not used
C26 --- Not used
C27 --- Not used
C28 --- Not used
C29 SH CAMERA Shield for terminals No. 11, No. 12, No. 13, No. 14, No. 30, and No. 31

*: Without stereo amplifier

Terminal number Terminal Name Description
C30 BIT 1 Outputs view mode select signal for rearview camera
C31 RC VCC Power source for rearview camera
C32 --- Not used
C33 M-CAN_L Communication line
C34 --- Not used
C35 --- Not used
C36 --- Not used

*: Without stereo amplifier

Audio-Navigation Unit Connector D (12P) (female terminals) (Without stereo amplifier) 

GHH626176Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
D1 --- Not used
D2 --- Not used
D3 --- Not used
D4 SUB W PRE- Outputs sound signal for subwoofer
D5 --- Not used
D6 --- Not used
D7 --- Not used
D8 --- Not used
D9 --- Not used
D10 --- Not used
D11 SUB W PRE+ Outputs sound signal for subwoofer
D12 --- Not used

Audio-Navigation Unit Connector E (6P) (female terminals) (With stereo amplifier) 

GHH626177Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
E1 SPDIF2 SIG Communication line
E2 --- Not used
E3 SPDIF1 SIG Communication line
E4 SH(SPDIF2 SIG) Shield for terminals No. 1
E5 --- Not used
E6 SH(SPDIF1 SIG) Shield for terminals No. 3

Audio-Navigation Unit Connector E (2P) (female terminals) (Without stereo amplifier) 

GHH626178Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
E1 SPDIF1 SIG Communication line
E2 SH(SPDIF1 SIG) Shield for terminal No. 1

Audio-Navigation Unit Connector F (10P) (female terminals) 

GHH626179Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
F1 USB1 GND Ground for USB port
F2 USB1 VBUS Outputs power source for USB port
F3 USB1 DATA+ Communication line
F4 USB1 DATA- Communication line
F5 USB1 SH Shield for terminals No. 1, No. 2, No. 3, and No. 4
F6 --- Not used
F7 --- Not used
F8 --- Not used
F9 --- Not used
F10 --- Not used

Audio-Navigation Unit Connector G (3P) (female terminals) 

GHH626180Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
G1 LVDS1+ Communication line
G2 LVDS1- Communication line
G3 LVDS1 SH Shield for terminals No. 1 and No. 2

Audio-Navigation Unit Connector H (2P) (female terminals) 

GHH626181Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
H1 GNSS SIG Inputs GNSS signal
H2 GNSS SH Shield for terminal No. 1

Audio-Navigation Unit Connector K (2P) (female terminals) (With XM radio) 

GHH626182Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal Name Description
K1 SXM SIG Inputs satellite/terrestrial signal
K2 SXM SH Shield for terminal No. 1
scientia non olet · About LEMON Manuals