| General information: ignition system |
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| Only the components which specifically relate to the ignition system are explained in this chapter. For the other components of the injection and ignition system → Chapter. |
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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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| The engine control unit is equipped with self-diagnosis. |
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| Components marked with * are checked via the self-diagnosis. → Chapter, Fault memory: interrogating and erasing. |
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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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| Before carrying out repairs and fault finding, the fault memory must be interrogated. → Chapter, Fault memory: interrogating and erasing. |
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| During some checks it is possible that the control unit will recognise and store a fault. For this reason, the fault memory should be interrogated after completing all checks and repairs, and, if necessary, erased → Chapter, Fault memory: interrogating and erasing. |
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| If after fault finding, repairs or component tests, the engine starts, runs for a short period and then stops, it could be that the immobiliser is blocking the engine control unit. In such a case, interrogate the fault memory, and, if necessary, adapt the control unit accordingly → Chapter. |
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