Auto Service Professional

OCT 2017

Magazine for the auto service professional

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Page 54 of 77

53 | ASP October 2017 Technical for the system capacitor to discharge before performing further diagnosis or service. is is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment. In addition to a diagnostic scan tool that contains the latest version of the proper diagnostic software, certain diagnostic procedures for the SRS may require the use of the SRS Load Tool special tool along with the appropriate Load Tool jumpers and adapters. 2012 Audi A6 Sedan 1. Never test airbag units with a test light, volt meter or ohm meter. 2. e pyrotechnic components may be checked only when they are installed and with a Volkswagen-approved vehicle diagnosis, testing and information system. 3. When working on pyrotechnic components and on the airbag control module J234, the battery ground cable must be disconnected, with the ignition switched ON. en cover the negative terminal. 4. Wait for 10 seconds after disconnecting the battery. 5. e ignition must be switched ON when connecting the battery. Nobody should be inside the vehicle while doing this. e exception: vehicles with a battery inside the passenger compartment. Stay away from the airbags and the safety belts. 6. If after reconnecting the battery, the ignition does not turn on (indicator lamp in the instrument cluster does not illumi- nate), keep your head and arms as far away from the steering wheel and the installed knee airbag as possible, so that they are not near the airbags and the safety bets during the first attempt to start the ignition. 7. Before handling pyrotechnic components of the restraint system, for example, before disconnecting the electrical harness connector, the technician must discharge static electricity. Touching grounded metal parts, for example, touching the door striker, will discharge the static electricity. Example of a new front passenger airbag. Never store a non-deployed airbag assembly face-down. If accidentally deployed, it will violently fly off with the risk of damage to nearby areas and/or injury.

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