Emergency tensioning retractor control module with airbag, purpose - GF91.60-P-4006-02GH

Model 163 up 11/99 

The emergency tensioning retractor control module with airbag (N2/2)  fulfills the following functions in the event of a crash:

• Recognition and evaluation of crash according to type and severity
• Recognition of switching state of front left seat belt buckle/ belt lock switch (S68/7)  and front right seat belt buckle/ belt lock switch (S68/8)  at the moment of impact
• Triggering driver and passenger airbags
• Triggering driver and passenger emergency tensioning retractors
• Triggering driver and passenger side airbags
• Sending a digital "crash signal" to the all-activity module AAM(N10) 
• Storing up to three crash logs
• Evaluation of the data received from the front passenger seat occupied recognition sensor with automatic child seat recognition (B48)  (passenger seat occupied/not occupied; child present/not present; direction of child seat; etc.).

In normal operation the emergency tensioning retractor control module with airbag (N2/2)  also has the following functions:

• Self-test when circuit 15R is switched "ON" and continuous system monitoring during vehicle operation.
• Storing up to 5 recognized malfunctions in the DTC memory
• Control of the SRS malfunction indicator lamp (A1e15)  the instrument cluster
• Control of the airbag OFF indicator lamp (A1e56)  in the instrument cluster
• Control of the seat belt reminder lamp (A1e9)  in the instrument cluster
• Communication with the hand-held tester (HHT) via the 16-pin diagnostic interface in the driver's footwell (reading out DCT memory, coding control module).
• Preventing erroneous triggering during normal operation with additionally implemented safety sensor.