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| The engine control unit is equipped with self-diagnosis. |
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| Disconnecting and connecting the battery must only be done with the ignition switched off, otherwise the engine control unit could be damaged. |
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| For trouble-free operation of the electrical components a voltage of at least 11.5 V is necessary. |
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| During some checks it is possible that the control unit will recognise and store a fault. Therefore after completing all checks and repairs the fault memory must be interrogated and if necessary erased. If the fault memory is erased, it will be necessary to generate the readiness code. Interrogate fault memory → Chapter. |
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| If following the localisation of faults, repairs or verification of components, the engine starts a moment and instantly stops, the immobiliser may be blocking the engine control unit. The fault memory must be interrogated and if necessary the control unit adapted. |
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