S60 AWD L5-2.5L Turbo VIN 59 B5254T2 (2005)
Air Bag Control Module: Description and Operation
Downloading Software And Replacing The Control Module
Downloading software and replacing the control module
New software for the supplemental restraint system module (SRS) can be downloaded. When ordering software, the hardware and the software in the car
is compared to the information in the Volvo central database. If the comparison is OK the software is downloaded to the control module.
Software can be downloaded if the comparison between the car and the Volvo central database does not correspond.
When the control module is replaced, the new control module will have certain preprogrammed software.
The software which is preprogrammed is:
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application software
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diagnostic software
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collision algorithm software.
The software which will be downloaded is parameter files containing:
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parameters unique to this model
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vehicle equipment level
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a signal configuration file.
System Overview
System Overview
Control module
The supplemental restraint system module (SRS) handles functions for:
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seat belt tensioners
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side impact sensors
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front impact sensor (certain markets and models only)
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seat position sensors (XC90 USA/CDN only)
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side impact protection (SIPS) bags
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front driver and passenger airbags
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inflatable curtains
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SRS indication
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passenger airbag indication
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collision output signal
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collision registration
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adaptive steering column (XC90 USA/CDN only)
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front seat belt buckles
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switch on/off, front passenger airbag (not USA/CDN)
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occupant weight sensor (OWS) (certain markets and models only)
The control module is in the transmission tunnel, between the gear selector lever and the parking brake.
The supplemental restraint system module (SRS) communicates with directly connected components and with other control modules via the Controller
Area Network (CAN).
