Connector location views
Number
X-pin, colour
Description
X74
50-pin, yellow
Plug connector Multiple restraint system control unit
Pin assignments at plug connector X74
Pin
Type
Description / Signal type
Connection / Measuring notes
1
A
Positive activation Belt tensioner, driver
Belt tensioner, driver
2
M
Negative activation Belt tensioner, driver
3
Positive activation Belt tensioner, passenger
Belt tensioner, passenger
4
Negative activation Belt tensioner, passenger
5
E
Terminal R
Fuse F11
6
Ground
Ground connector
7
Signal, airbag warning LED
Instrument cluster control unit
8
Signal, driver's seat belt contact
Hall-effect sensor, seatbelt buckle
9
E/A
Signal Diagnostic link TXD
Diagnostic connector
10
Positive activation Airbag, driver's side
Inflator assembly, driver airbag
11
Negative activation Airbag, driver's side
12
Signal, front passenger's seat belt contact
Hall-effect sensor, seat belt buckle
13
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