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Audio Unit Connector For Inputs And Outputs (With Auto Idle Stop System) (2015-17)

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

AUDIO UNIT CONNECTOR A (24P) 

GHH195782Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
A1 GND Ground for audio unit (G303) Vehicle in ACCESSORY mode: Less than 0.2 V If open: Center display unit screen goes black (backlight still operates). Audio system does not work.

If short to ground: No effect on system.

A2 B-CAN_L Communication signal - - - If open: System Links B-CAN icon shows red.

If short: Same diagnostic conditions as when open, and also sets the B-CAN DTC (B-CAN BUS OFF).

A3 +B AUDIO (DC) Continuous power source Battery voltage If open: Center display unit screen goes black (backlight still operates). Audio system does not work.

If short to ground: Blows the No. GF (20 A) fuse in the under-dash sub fuse/relay box B.

A4 B-CAN_H Communication signal - - - If open: System Links B-CAN icon shows red.

If short: Same diagnostic conditions as when open, and also sets the B-CAN DTC (B-CAN BUS OFF).

A5 Not used - - - - - - - - -
A6 Not used - - - - - - - - -
A7 Not used - - - - - - - - -
A8 Not used - - - - - - - - -
A9 Not used - - - - - - - - -
A10 Not used - - - - - - - - -
A11 Not used - - - - - - - - -
A12 SCTY 2 Security signal from center display unit - - - If open: The security system sets.
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 and ANC/active sound control unit switching on/off Vehicle in ACCESSORY mode: Battery voltage - - -
A22 Not used - - - - - - - - -
A23 Not used - - - - - - - - -
A24 ACC DCDC Power source for accessories (via DC-DC converter ACC relay) Vehicle in ACCESSORY mode: Battery voltage If open: Center display unit screen goes black. Audio system does not work.

If short to ground: Blows the No. FG (7.5 A) fuse in the under-dash sub fuse/relay box A.

AUDIO UNIT CONNECTOR B (8P) 

GHH195783Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
B1 Not used - - - - - - - - -
B2 Not used - - - - - - - - -
B3 Not used - - - - - - - - -
B4 ANC CHK2 Outputs ANC test signal Vehicle in ACCESSORY mode: 5 V - - -
B5 Not used - - - - - - - - -
B6 Not used - - - - - - - - -
B7 Not used - - - - - - - - -
B8 Not used - - - - - - - - -

AUDIO UNIT CONNECTOR C (20P) 

GHH195784Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
C1 TELE SIG SH Shield for terminals No. 2 and No. 12 - - - - - -
C2 TELE SIG- Inputs HFL prompts and telephone sound signal from HandsFreeLink control unit - - - - - -
C3 Not used - - - - - - - - -
C4 RS485- Communication signal to stereo amplifier - - - If open/short: Stereo amplifier does not work. No sound is heard from speakers.

System Links AMP icon shows red.

C5 RS485+ Communication signal to stereo amplifier - - - If open/short: Stereo amplifier does not work. No sound is heard from speakers.

System Links AMP icon shows red.

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 COMPASS 1 Communication signal to electrical compass unit - - - If open/short: Compass indication does not display.

System Links COMPASS icon shows red.

C10 COMPASS 2 Communication signal to electrical compass unit - - - If open/short: Compass indication does not display.

System Links COMPASS icon shows red.

C11 Not used - - - - - - - - -
C12 TELE SIG+ Inputs HFL prompts and telephone sound signal from 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 Vehicle in ACCESSORY mode:
  • AUX device is not connected: 3 V
  • AUX device is connected: Less than 0.2 V
- - -
C17 AUX RCH Inputs sound signal from auxiliary jack assembly - - - - - -
C18 AUX LCH Inputs sound signal from auxiliary jack assembly - - - - - -
C19 COMPASS 3 Communication signal to electrical compass unit - - - If open/short: Compass indication does not display.

System Links COMPASS icon shows red.

C20 COMPASS 4 Communication signal to electrical compass unit - - - If open/short: Compass indication does not display.

System Links COMPASS icon shows red.

AUDIO UNIT CONNECTOR D (12P) 

GHH195785Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
D1 GA BUS- GA-Net bus communication signal - - - If open/short: GA-Net related system does not work. Center display does not dim using dash brightness control button.

System Links Display icon, XM icon, HFL icon, and Remote Tuner icon shows red.

D2 SH GA BUS Shield for terminals No. 1 and No. 7 - - - If open/short to ground: No effect on system.
D3 GA AUDIO L- Inputs sound signal from HandsFreeLink control unit and XM receiver - - - - - -
D4 GA AUDIO R- Inputs sound signal from HandsFreeLink control unit and XM receiver - - - - - -
D5 SH GA AUDIO Shield for terminals No. 3, No. 4, No. 9, and No. 10 - - - - - -
D6 GA GND GA-Net related units ground - - - If open: GA-Net related system does not work.

System Links XM icon, HFL icon, and Remote Tuner icon shows red.

If short to ground: No effect on system.

D7 GA BUS+ GA-Net bus communication signal - - - If open/short: GA-Net related system does not work. Center display does not dim using dash brightness control button.

System Links Display icon, XM icon, HFL icon, and Remote Tuner icon shows red.

D8 GA SYS ON Output signal for GA-Net related units switching on/off Vehicle in ACCESSORY mode: Less than 0.2 V

Vehicle in OFF (LOCK) mode: 3.3 V - Battery voltage (depends on connected slave unit)

If open: GA-Net related system does not work.

System Links XM icon, HFL icon, and Remote Tuner icon shows red.

If short to ground: No effect on system.

D9 GA AUDIO L+ Inputs sound signal from HandsFreeLink control unit and XM receiver - - - - - -
D10 GA AUDIO R+ Inputs sound signal from HandsFreeLink control unit and XM receiver - - - - - -
D11 Not used - - - - - - - - -
D12 GA+B Outputs power source for GA-Net related units Vehicle in ACCESSORY mode: Battery voltage If open: GA-Net related system does not work.

System Links XM icon, HFL icon, and Remote Tuner icon shows red.

AUDIO UNIT CONNECTOR E (5P) 

GHH195786Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
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 UNIT CONNECTOR F (18P) 

GHH195787Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
F1 GND Ground for audio unit (G303) Vehicle in ACCESSORY mode: Less than 0.2 V If open: Center display unit screen goes black (backlight still operates). Audio system does not work.

If short to ground: No effect on system.

F2 Not used - - - - - - - - -
F3 +B AUDIO (DC) Continuous power source Battery voltage If open: Center display unit screen goes black (backlight still operates). Audio system does not work. The system sets the anti-theft mode.

If short to ground: Blows the No. GF (20 A) fuse in the under-dash sub fuse/relay box B.

F4 Not used - - - - - - - - -
F5 Not used - - - - - - - - -
F6 Not used - - - - - - - - -
F7 Not used - - - - - - - - -
F8 Not used - - - - - - - - -
F9 JOG SH Shield for terminal No. 16 - - - If open/short to ground: No effect on system.
F10 Not used - - - - - - - - -
F11 Not used - - - - - - - - -
F12 Not used - - - - - - - - -
F13 Not used - - - - - - - - -
F14 Not used - - - - - - - - -
F15 Not used - - - - - - - - -
F16 JOG Inputs center switch panel and interface dial operation signal - - - If open/short: Center switch panel/interface dial does not work.
F17 Not used - - - - - - - - -
F18 Not used - - - - - - - - -

AUDIO UNIT CONNECTOR G (24P) 

GHH195788Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
G1 HFT SIRI GND Shield for terminals No. 13 and No. 14 - - - - - -
G2 SH CAMERA Shield for terminals No. 3 and No. 15 - - - - - -
G3 CAMERA GND Ground for rearview camera - - - - - -
G4 Not used - - - - - - - - -
G5 CAMERA BIT 0 Mode select signal for rearview camera 0 - 7 V (depends on rearview mode) - - -
G6 Not used - - - - - - - - -
G7 Not used - - - - - - - - -
G8 Not used - - - - - - - - -
G9 Not used - - - - - - - - -
G10 Not used - - - - - - - - -
G11 Not used - - - - - - - - -
G12 Not used - - - - - - - - -
G13 HFT SIRI SIG Not used - - - - - -
G14 HFT SIRI GND Not used - - - - - -
G15 CAMERA V Video signal for rearview camera - - - - - -
G16 CAMERA VCC Power source for rearview camera Vehicle in ACCESSORY mode: 8 V - - -
G17 CAMERA ADPT Control signal for rearview camera Less than 0.2 V If open: System Links Rear Camera icon shows red.
G18 CAMERA BIT 1 Mode select signal for rearview camera 0 - 7 V (depends on rearview mode) - - -
G19 Not used - - - - - - - - -
G20 Not used - - - - - - - - -
G21 Not used - - - - - - - - -
G22 Not used - - - - - - - - -
G23 Not used - - - - - - - - -
G24 BACK LT Reverse signal of select lever from reverse relay circuit Vehicle in ON mode, transmission is shifted to R position/mode: Battery voltage

Vehicle in ON mode, transmission is shifted to any position/mode other than R position/mode: Less than 0.2 V

If open/short to ground: No change to rearview camera image.

Diagnostic screen Car Status, BACK = 0.

AUDIO UNIT CONNECTOR H (16P) 

GHH195789Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
H1 AUX NAVI SH Shield for terminals No. 2, No. 9, and No. 10 - - - - - -
H2 AUX NAVI GND Ground for front audio signal of voice guidance - - - - - -
H3 Not used - - - - - - - - -
H4 Not used - - - - - - - - -
H5 Not used - - - - - - - - -
H6 Not used - - - - - - - - -
H7 Not used - - - - - - - - -
H8 Not used - - - - - - - - -
H9 Not used - - - - - - - - -
H10 AUX NAVI Outputs front audio signal of voice guidance and Voice Recognition (VR) prompts - - - - - -
H11 Not used - - - - - - - - -
H12 Not used - - - - - - - - -
H13 Not used - - - - - - - - -
H14 Not used - - - - - - - - -
H15 Not used - - - - - - - - -
H16 Not used - - - - - - - - -

AUDIO UNIT CONNECTOR J (5P) 

GHH195790Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
J1 HFT USB GND Ground for communication signal - - - - - -
J2 HFT USB VBUS Outputs power source for USB - - - - - -
J3 HFT USB DATA+ Communication signal for HandsFreeLink control unit - - - - - -
J4 HFT USB DATA- Communication signal for HandsFreeLink control unit - - - - - -
J5 HFT USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4 - - - - - -

AUDIO UNIT CONNECTOR K (5P) 

GHH195791Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
K1 USB GND Ground for communication signal - - - If open: USB device is not recognized.

System Links USB icon shows red although USB device is connected to USB port.

K2 USB VBUS Outputs power source for USB device - - - If open/short: USB device is not recognized.

System Links USB icon shows red although USB device is connected to USB port.

K3 USB DATA+ Communication signal - - - If open/short: USB device is not recognized.

System Links USB icon shows red although USB device is connected to USB port.

K4 USB DATA- Communication signal - - - If open/short: USB device is not recognized.

System Links USB icon shows red although USB device is connected to USB port.

K5 USB SH Shield for terminals No. 1, No. 2, No. 3, and No. 4 - - - If open/short to ground: No effect on system.

AUDIO UNIT CONNECTOR L (3P) 

GHH195792Courtesy of HONDA, U.S.A., INC.
Cavity Terminal Name Description Voltage (about) Symptom
L1 GVIF- Outputs video signal for center display unit - - - If open/short: Center display unit screen goes black (backlight still operates). Audio system does work.
L2 GVIF+ Outputs video signal for center display unit - - - If open/short: Center display unit screen goes black (backlight still operates). Audio system does work.
L3 GVIF SH Shield for terminals No. 1 and No. 2 - - - If open/short to ground: No effect on system.