175378 - FRONT SEATS INTERFACE

SPECIFICATIONS

The rear wiring is connected to two sets of wiring (one for each front seat) by means of a standard connection with the pin out shown in the table below.The different content levels are managed by the seat wiring where, on the high specification level there is a connection for the B-CAN node (NAG driver's side and NAP passenger side) for the functions for memorizing the driving seat position.

REAR CABLE/CABLES ON DRIVER'S AND PASSENGER FRONT SEATS CONNECTION PIN OUT

The indications for the pin refer to the connectors at the rear cable.4 way connector

PIN	FUNCTION	Driver's Side	Passenger Side
1	Side bag (negative)	X	X
2	Side bag (positive)	X	X
3	Side Bag module case earth	X	X
4	not connected	-	-

3 way connector

PIN	FUNCTION	Driver's Side	Passenger Side
1	Seat belt fastened sensor (signal)	X	X
2	not connected	-	-
3	Seat belt fastened sensor (negative)	X	X

2 way connector

PIN	FUNCTION	Driver's Side	Passenger Side
1	Passenger presence sensor positive	-	X
2	Passenger presence sensor negative	-	X

12 way connector

PIN	FUNCTION	Driver's Side	Passenger Side
A	Supply for seat/steering column adjustment motors from F-56 or F-60 CVB	X	X
B	Seat lengthwise (forward) movement relay negative control from button on rear armrest	-	X
C	Heated seat on feedback positive signal	X	X
D	Dimmed supply for lighting switch ideograms on seat	X	X
E	B - CAN A	X	X
F	Seat/steering column and heater pad actuators earth	X	X
G	Supply for heater pad/seat comfort from F-57 CVB	X	X
H	not connected	-	-
J	B - CAN B	X	X
K	Seat lengthwise (backward) movement relay negative control from button on rear armrest	-	X
L	NAG/NAP earth	X	X
M	+30 from F-69 for NAG/NAP	X	X

12 way connector

PIN	FUNCTION	Driver's Side	Passenger Side
A	Steering column adjustment motor (forward)	X	-
B	Signal from joystick for steering column adjustment (B3)	X	-
C	Signal from joystick for steering column adjustment (A3)	X	-
D	Signal from joystick for steering column adjustment (B2)	X	-
E	not connected	-	-
F	Steering column adjustment motor (lowering)	X	-
G	Steering column adjustment motor (raising)	X	-
H	Negative for potentiometers on steering column adjustment motors	X	-
J	Signal from potentiometer on steering column vertical adjustment motor	X	-
K	Signal from potentiometer on steering column axial adjustment motor	X	-
L	Positive for potentiometers on steering column adjustment motors	X	-
M	Steering column adjustment motor (backward)	X	-