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| Push diagnosis cable connector onto diagnosis connector. |
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| Start engine and run at idling speed. |
Only when engine does not start: |
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| Press button on display for „Vehicle self-diagnosis“. |
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| Press button „01 - Engine electronics“ on display. |
The control unit identification and engine control unit coding are indicated on display. |
Select diagnostic function |
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| Press button „02 - Read fault memory“ on display. |
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| If no fault is stored in engine control unit „0 fault detected“ is displayed. |
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| If faults are stored in the engine control unit, these are shown one below the other on the display. |
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| Press button „05 - Clear fault memory“ on display. |
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| Press function „06-End output“. |
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