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| Test instrument adapter/DSO (5-pin) -VAS 5565- |
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| The battery voltage must be at least 12 V, if necessary connect a battery charger. |
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| All electrical consumers, e.g. lights and rear window heating, must be switched off. |
Vehicles with 2.0 l diesel engine |
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| Disconnect connector from supplementary fuel pump -V393- or fuel pump 2 -V277-(inline EFP) in engine compartment. |
Continuation for all vehicles |
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| Fold carpet to the side or forwards. |
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| Remove cover from fuel delivery unit. |
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| Switch on ignition. The fuel pump must be heard to run for about 2 seconds. |
If the fuel pump does not start: |
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| Pull connector off fuel delivery unit flange. |
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| Connect test instrument adapter/DSO (5-pin) -VAS 5565- between connector and flange. |
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