996 Carrera Group 0 Part 2 Diagnosis / PAGE 57
Roll-over protection system diagnosis 911 Carrera (996) · Gravitation sensor (g-sensor)
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Roll-over protection system diagnosis 911 Carrera (996)
Gravitation sensor (g-sensor)
The g-sensor is used to detect driving situations
in which the vehicle loses contact with
the ground (e.g. jumping over a bump).
The g-sensor function is based on a
spring/weight system. As a weight,
a magnet which counteracts the spring
force with the force of its weight is used,
If the vehicle lifts up from the ground,
the magnet becomes lighter and the spring
can press it upward. This closes the reed
contact and triggers the system.
228_98
1. Weight
2. Magnet
3. Compressionspring
4. Reedcontact
69 .D 32 69 71 Diagnosis/troubleshooting, roll-over protection system
99669D23 Printed in Gem1any -11, 1998
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