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| The engine control unit -1- is bolted to the protective housing -5-. To make it more difficult to unscrew the shear bolts -4- for locking plate -2-, their threads have been coated with locking fluid. |
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| The metal casing has to be removed before the connectors can be unplugged from the engine control unit (e.g. to connect the test box or renew the engine control unit). |
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| When renewing engine control unit, select diagnosis object „Replace engine control unit“ in „Guided Functions“. |
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| Switch off ignition and remove ignition key. |
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