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Old 07-09-2005, 06:26 AM
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Beav Beav is offline
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Join Date: Nov 2001
Location: Louisville, KY
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Significant Technical Input
Every SRS system is unique and one should strictly adhere to the OEM's workshop manual. However, there are some 'standardized' rules that normally apply to all systems/makes: when an accident has ocurred that fires a bag, the sensor HAS to be replaced and the SRS computer HAS to be replaced, along with the deployed device (air bag, curtain, belt retractor, etc. - as is applicable.) Many SRS modules have sensors built inside of them, that is the first and main reason for their required replacement. Secondly, most OEMs feel that the reliability of the module could be suspect when the module is called upon again in a future accident.

Testing for voltage at the air bag connector doesn't necessarily indicate anything, many systems/devices use shorting pins, etc. What if the module depended on being able to detect continuity? If you have an open, or at least if the module thinks you have an open, it may consider it to be an accident related event and send firing voltage to the device. Again, you HAVE to use the OEM's workshop manual for the specific year and model. Not only is the current device at risk for being deployed unecessarily but it is also a matter of whether or not the device will be reliable, if it is ever needed again in the future.
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