Table of Contents Subject Page New X5 SAV Technical Comparisons (E53 vs E70) Technical Data E70 Body Overview Repair Solution Frontal Impact Side Impact Rigidity
Trang 1Initial Print Date: 10/06
Table of Contents
Introduction 4
Advanced Crash Safety Module ACSM 4
Schematic Circuit Diagram ACSM E70 6
Functions 8
Basic Tasks of ACSM 8
Crash-Relevant Functions 8
Evaluating the Sensor Signals 9
Detecting a Crash and Determining the Triggering Times and the Order 10
Triggering the Output Stages of the Firing Circuits 10
Outputting the Crash Telegram 11
Crash Entries 11
Emergency Call Functions 12
Automatic Emergency Call 12
Breakdown Call 12
Manual Emergency Call 12
Rollover Protection System 13
Rollover Detection 13
Functional Principle of the Yaw Rate Sensor 15
Seat Position Detection 16
System Monitoring Functions 16
System Self-test (pre-drive check) 16
Cyclic Monitoring 17
Indication of System Operability 17
Fault Indication and Fault Storage 17
Fault Output (diagnosis) 17
Seat Belt Reminder Function .17
Deactivation of SBR Function 19
Deactivation of Passenger Airbags 19
Passenger Airbag OFF Light 19
OC3 Mat 20
E70 Advanced Crash Safety Module (ACSM)
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