Removal and installation the engine control unit "J623"
Important: If the engine control unit is to be replaced correctly, the VAS 5051 must be connected and the "Replace Engine Control Unit" function must be performed.
Turn off the ignition. Remove the air filter. After releasing the locking tabs of the connectors, disconnect the connectors from engine control unit - J623-. By pressing the retaining tabs "arrows" outward and sideways, remove the control unit.
Installation
Installation is carried out in a similar manner, in the reverse order of actions.
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Important: After installing a new control unit, the engine control unit must be activated within "Controlled Fault Detection" under the diagnostic object "Replacing the engine control unit".