| If testing and measurement apparatuses are to be used during a road test, the following must be taken into account: |
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| Always install test and measurement equipment in the rear seat to be operated from there by a second mechanic. |
| If test or measurement equipment is operated from the front passenger seat, the operator could be injured by the airbag in the event of an accident. |
Caution | The fault reader must be installed in the rear seat and operated from there. |
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| In order to avoid injury to persons and/or the damage to the pre-heating and injection system the following rules must be observed: |
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| Detach and connect the wires of the pre-heating and injection system, including the leads of the measurement equipment, only with the ignition off. |
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| If the engine must be turned over at start-up revs without starting it, for example: to test the compression, remove the injector-pump unit connector from the cylinder head. |
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| In the case of a radio with anti-theft coding, consult the code before disconnecting the battery. |
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| The battery may only be disconnected or connected with the ignition off; otherwise, the direct diesel injection system control unit may be damaged. |
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