Pinout Values and Diagnostic Parameters

A 20 AUTO ANTENNA CONTROL RELAY
2-GROUND : Always approx. 12 volts
9-GROUND : Approx. 12 volts with ignition SW at ACC or ON position
5-GROUND : Approx. 12 volts with ignition SW at ON position
3-GROUND : Always continuity
1-GROUND : Approx. 12 volts with ignition SW at ACC or ON position and radio SW ON and player SW OFF until antenna at UPPERMOST position
4-GROUND : Approx. 12 volts with ignition SW at ACC or ON position and radio SW OFF and player SW ON until antenna at LOWERMOST position