Audio Unit Connector for Inputs and Outputs (2018)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2025 Honda Odyssey, 2024 Honda Odyssey, 2023 Honda Odyssey, 2022 Honda Odyssey, and 2021 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
| Connector Index |
|---|
| Audio Unit Connector A (24P) |
| Audio Unit Connector B (24P) |
| Audio Unit Connector C (5P) |
| Audio Unit Connector E (3P) |
Audio Unit Connector A (24P) (female terminals)
| Cavity | Terminal Name | Description |
|---|---|---|
| A1 | GND | Ground for audio unit (G405) |
| A2 | SUBW SP+ MA | Outputs sound signal for subwoofer |
| A3 | +B RADIO | Continuous power source |
| A4 | SUBW SP- MA | Outputs sound signal for subwoofer |
| A5 | RR L DR SPK+ | Outputs sound signal for left rear door speaker |
| A6 | RR L DR SPK- | Outputs sound signal for left rear door speaker |
| A7 | ANC R+ | Inputs noise cancelling signal from ANC/active sound control unit |
| A8 | ANC R- | Inputs noise cancelling signal from ANC/active sound control unit |
| A9 | RR R DR SPK+ | Outputs sound signal for right rear door speaker |
| A10 | RR R DR SPK- | Outputs sound signal for right rear door speaker |
| A11 | Not used | --- |
| A12 | ANC CHK2 | Not used |
| A13 | K LINE | Detects scan tool signal (serial data) |
| A14 | Not used | --- |
| A15 | FR L DR SPK+ | Outputs sound signal for driver's door speaker and left front door tweeter |
| A16 | FR L DR SPK- | Outputs sound signal for driver's door speaker and left front door tweeter |
| A17 | ANC F+ | Inputs noise cancelling signal from ANC/active sound control unit |
| A18 | ANC F- | Inputs noise cancelling signal from ANC/active sound control unit |
| A19 | FR R DR SPK+ | Outputs sound signal for front passenger's door speaker and right front door tweeter |
| A20 | FR R DR SPK- | Outputs sound signal for front passenger's door speaker and right front door tweeter |
| A21 | Not used | --- |
| A22 | Not used | --- |
| A23 | Not used | --- |
| A24 | ACC | Power source for accessories |
Audio Unit Connector B (24P) (female terminals)
| Cavity | Terminal Name | Description |
|---|---|---|
| B1 | SH MIC | Shield for terminals No. 13 and No. 14 |
| B2 | SH CAM | Shield for terminals No. 15, No. 16, and No. 19 |
| B3 | Not used | --- |
| B4 | Not used | --- |
| B5 | CAM BIT0 | Outputs mode select signal for rearview camera |
| B6 | HFT MUTE | Outputs HFL microphone directivity switching signal |
| B7 | Not used | --- |
| B8 | AUX GND | Ground for auxiliary jack assembly connection signal |
| B9 | SH AUX | Shield for terminals No. 10, No. 22, and No. 23 |
| B10 | AUX SGND | Ground for auxiliary sound signal |
| B11 | SWD+B | Outputs signal for ANC/active sound control unit switching on/off |
| B12 | B-CAN_L | Communication signal |
| B13 | MIC SIG- | Ground for HFL microphone |
| B14 | MIC SIG+ | Inputs sound signal from HFL microphone |
| B15 | CAM VID | Inputs NTSC video signal from rearview camera |
| B16 | CAM VCC | Power source for rearview camera |
| B17 | Not used | --- |
| B18 | CAM BIT1 | Outputs mode select signal for rearview camera |
| B19 | CAM GND | Ground for rearview camera |
| B20 | MIC PWR | Power source for front HFL-ANC/active sound control microphone |
| B21 | AUX DET | Detects connection for auxiliary jack assembly |
| B22 | AUX R CH | Inputs auxiliary sound signal |
| B23 | AUX L CH | Inputs auxiliary sound signal |
| B24 | B-CAN_H | Communication signal |
Audio Unit Connector C (5P) (female terminals)
| Cavity | Terminal Name | Description |
|---|---|---|
| C1 | USB1 GND | Ground for USB port |
| C2 | USB1 VBUS | Outputs power source for USB port |
| C3 | USB1 DATA+ | Communication signal |
| C4 | USB1 DATA- | Communication signal |
| C5 | USB1 SH | Shield for terminals No. 1, No. 2, No. 3, and No. 4 |
Audio Unit Connector E (3P) (female terminals)
| Cavity | Terminal Name | Description |
|---|---|---|
| E1 | AM/FM | Power source for window antenna amplifier (AM/FM) |
| E2 | AM/FM | Inputs AM/FM signal |
| E3 | SH(AM/FM) | Shield for terminal No. 2 |