Safety precautions when working on the ignition system |
To prevent injuries to persons and/or irreparable damage to the fuel injection and ignition system, the following must be noted: |
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| Persons wearing a cardiac pacemaker must at all times maintain a safe distance from high-voltage components such as the ignition system and gas-discharge headlights. |
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| Do not open any fuel line connections while the engine is running. |
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| Always switch off the ignition before connecting or disconnecting injection or ignition system wiring or tester cables. |
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| If engine is to be operated at cranking speed without it starting (e.g. compression test), unplug connectors from ignition coils and remove fuse for electric fuel pump. |
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| Certain tests may lead to a fault being detected by the control unit and stored. The event memory should therefore be interrogated and (if necessary) erased after completing the tests and any repair work that may be required. |
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| If the event memory has been erased, you must generate the readiness code again. |
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| Always switch off the ignition before cleaning the engine. |
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