With IGN KEY in Start position, 3 pins will have 12v and the 4th pin will be ground IF the security module is working otherwise it will also be 12v.
With IGN Key in Start position 12v on pins 1 and 2 and 4 if Security Module is not working and 0v on 6.
If Security Module is working and grounds pin 4, 12v on pins 1 2 and 6.