All values measured to ground unless otherwise noted
Conn./Plug/Pin	Pin Information	Test Value	Comments
N2/4
1	Seat belt warning recognition swithed ground signal input	Ignition on measure to pin 6 seat belt buckled 12 VDC seat belt not buckled <2 VDC, buzzer sounds
2	"Key inserted warning" signal input	Ignition key in position "0" 12 VDC remove key < 2 VDC, buzzer sounds when any door is opened
3	"Exterior lights on" signal input	Lights on 12 VDC buzzer sounds when any door is opened
4	Pin not used
5	Door contact, passenger side signal input	Ignition on measure to pin 6 12 VDC when passenger side door is opened	Note
6	Circuit 15 power input, also reference voltage for seat belt warning	Ignition on 12 VDC	see also pin 1
7	Door contact, driver side signal input	Ignition on measure to pin 6 12 VDC when driver side door is opened	Note
8	Main ground to W1	Approx. 0 Ohms to ground
Note	Door contact signals are used to initialize warning features: Key inserted warning, Exterior lights on