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| The testing and measurement equipment must always be fitted to the rear seat and from there be operated by a second person. |
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| If test equipment is operated from the front passenger's seat, the occupant could suffer injury in the event of an accident if the front passenger's airbag is triggered. |
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| To prevent injuries to persons and/or damage to the fuel injection and ignition system, the following must be noted: |
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| Do not touch or remove the ignition cables with the engine running or idling. |
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| The ignition must be switched off before disconnecting or connecting ignition system wiring, high-voltage wires and test leads. |
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| If you want to crank the engine at starting speed without actually starting it (e.g. compression test), first unplug the connectors from the ignition coils and the injectors. After completing the work, interrogate and erase the fault memory. |
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| Always switch off ignition before cleaning engine. |
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| Only disconnect and connect the battery with the ignition switched off, otherwise the engine control unit may be damaged. |
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