HomeLink Unit Connector for Inputs and Outputs

Terminal number
Terminal name
Description
Signal
1
+B BACK UP
Power source for HomeLink unit
About battery voltage at all time
2
ILLUMI+
Detects ILLUMI+ signal
With parking lights are ON: about battery voltage
With parking lights are OFF: less than 0.2 V
3
Not used
???
???
4
Not used
???
???
5
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
6
GND
Ground for HomeLink unit
Less than 0.2 V at all times
7
IG2 A/C
IG2 power source
With the vehicle in the ON mode: about battery voltage