Head Up Display Connector for Inputs and Outputs
WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.
HEAD UP DISPLAY 20P CONNECTOR (female terminals)
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 1 | +B HUD | +B power source | About battery voltage at all times |
| 2 | Not used | --- | --- |
| 3 | Not used | --- | --- |
| 4 | F-CAN C_H | Communication line | --- |
| 5 | B-CAN_H | Communication line | --- |
| 6 | Not used | --- | --- |
| 7 | Not used | --- | --- |
| 8 | HUD MIR UP | Detects head up display main switch (UP) signal | With vehicle in ON mode and head up display main switch OFF: about battery voltage. With vehicle in ON mode and head up display main switch ON: less than 0.2 V |
| 9 | HUD MAIN SW | Detects head up display main switch (HUD) signal | With vehicle in ON mode and head up display main switch (HUD) OFF: about battery voltage. With vehicle in ON mode and head up display main switch (HUD) ON: less than 0.2 V |
| 10 | GND | Ground for head up display | Less than 0.2 V at all times |
| 11 | IG1 METER | IG1 power source | With vehicle in ON or START mode: about battery voltage |
| 12 | Not used | --- | --- |
| 13 | HUD UART | Communication line | --- |
| 14 | Not used | --- | --- |
| 15 | F-CAN C_L | Communication line | --- |
| 16 | B-CAN_L | Communication line | --- |
| 17 | Not used | --- | --- |
| 18 | Not used | --- | --- |
| 19 | HUD MIR DWN | Detects head up display main switch (DOWN) signal | With vehicle in ON mode and head up display main switch OFF: about battery voltage. With vehicle in ON mode and head up display main switch ON: less than 0.2 V |
| 20 | Not used | --- | --- |