SRS Diagnosis

Introduction

• Actual sequence/timings/response time of airbag deployment
• SRS Components
• All Airbag types
• Seatbelt Pre-tensioners
• Battery Isolators with Audi Q7 location example
• Crash sensors and modern Impact Acceleration Sensors
• Impact pressure Sensors showing FG Falcon example and fitment cautions

SRS Deployment Strategies

• Frontal/Side/Rear Impact and Rollover scenarios
• SRS Diagnosis, Repair and Safety
• SRS Control Module, Deployment and Backup Capacitors
• Testing/replacement/disposal warnings
• Deployment and disposal procedure
• Proper wiring repairs and Western Union Splice procedure
• Post-Crash requirements/repairs with chart for FG/VE/Prado/Mazda 2/Accent
• Handling and Storage of Airbags
• Drop rule/warnings
• Additional SRS Safety features Pre-crash/Post-crash

Case Studies

• Toyota Prado SRS lamp on – Module fault
• Mazda 2 SRS lamp on – Airbag fly lead fault
• FG Falcon – SRS lamp flashes then stays on – Pre-tensioner circuit fault
• Holden Combo – SRS lamp intermittently on – Pre-tensioner wiring fault
• Hyundai Accent – SRS lamp intermittently on – overheated Clockspring wires after crash and was not replaced

Historical SRS Topics

• Analogue G-Sensor
• Impact Sensors – Contact type
• Mechanically triggered Airbags
• Mechanical Seat belt Pre-tensioners