| 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. Therefore, after completing all checks and repairs, the fault memory must be interrogated and, if necessary, erased → Chapter, Fault memory: interrogating and erasing. |
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| If the engine starts, runs for a short period and then stops, after fault finding, repairs or component tests, then the fault may lie with the immobiliser which is blocking the engine control unit. If this is the case, the fault memory must be interrogated and, if necessary, the control unit matched → Chapter. |
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