| Diesel direct injection system - fitting location, system overview |
| The control unit is equipped with a fault memory. Before repairs, setting operations and fault finding, interrogate the fault memory and execute a self-diagnosis → Vehicle diagnostic tester. |
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| Faults can be detected by the control unit as checking and adjustment work is being undertaken and then saved. It is therefore absolutely necessary to delete the fault memory after completing all checking and adjustment work → Vehicle diagnostic tester |
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| Observe safety precautions when working on the diesel direct injection system → Chapter. |
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