3026253 - E7030 AIRBAG - Functional description
Functional description
The Air Bag system control unit M60 receives a supply controlled by the ignition (INT) at pin 12 of connector A from the line protected by fuse F50 of the additional fuse box B2 . Pin 1 of connector A and pins 17 and 22 of connector B are connected to a specific earth C50.When frontal impact of a certain severity (depending on the software setting) is detected, the control unit sends control signals to set off the modules:
- to driver's Air Bag Q9, via the steering wheel clockspring D47 (from pins 24 and 23 of connector A of M60):
- to passenger side air bag Q11 (from pins 21 and 22 of connector A of M60 ):
- to the driver's pretensioner Q20 (from pins 2 and 1 of connector B of M60) and the passenger pretensioner Q21 (from pins 4 and 3 of connector B of M60);
When side impact of a certain severity (dependent on the software setting) is detected, the control unit sends control signals to set off the modules:
- to driver's Side Bag Q30 (from pins 6 and 5 of connector B of M60);
- to passenger Side Bag Q31 (from pins 9 and 10 of connector B of M60);
- to the driver's Head Bag Q40 (from pins 8 and 7 of connector B of M60);
- to the passenger Head Bag Q41 (from pins 11 and 12 of connector B of M60).