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Home >> Honda >> 2021 >> Odyssey EX-L >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security System / Keyless Entry System - Testing & Troubleshooting >> Connector View >> HomeLink Unit Connector for Inputs and Outputs (2021 2022 2023)
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HomeLink Unit Connector for Inputs and Outputs (2021 2022 2023)

HomeLink Unit 8P Connector (female terminals) 

GHH447337Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal name Description Signal
1 +B BACK UP Power source for HomeLink unit About battery voltage at all times
2 ILLUMI+ ROOF Detects ILLUMI+ ROOF signal With parking lights are OFF: less than 0.2 V
With parking lights are ON: about battery voltage
3 * OEC- Detects OEC- signal ---
4 * OEC+ Power source for automatic dimming outside mirror ---
5 Not used --- ---
6 BACK LT Detects BACK LT signal With the vehicle in the ON mode and R position/mode: about battery voltage
If none of the above conditions are met: less than 0.2 V
7 GND Ground for HomeLink unit Less than 0.2 V at all times
8 IG2 IG2 power source With the vehicle in the ON mode: about battery voltage

*: With automatic dimming outside mirror