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Volkswagen Golf Service & Repair Manual: Removing and installing electronically controlled damping control unit -J250-, saloon

Volkswagen Golf Service & Repair Manual / Running gear, axles, steering / Self- levelling air spring system / Electronically controlled damping system / Removing and installing electronically controlled damping control unit -J250-, saloon

Special tools and workshop equipment required
Vehicle diagnostic tester
Removing
Location: electronically controlled damping control unit -J250- is installed behind left luggage compartment side trim.
–  Disconnect battery → Electrical system; Rep. gr.27.
–  Pull out ignition key.
Vehicles with keyless entry and start system “Keyless Access”
–  Switch off ignition and open driver's door so that the steering lock engages.
Continuation for all vehicles
–  Remove left luggage compartment side trim → General body repairs, interior; Rep. gr.70.
   
–  Release release lever -1- in -direction of arrow-.
–  Pull off electrical connector -2-.
–  Press lugs -3- and -4- to rear.
–  Slide electronically controlled damping control unit -J250--5- downwards out of retainer -6-.
Installing
Install in reverse order of removal, observing the following:
–  Function Replace control unit must be performed with → Vehicle diagnostic tester if electronically controlled damping control unit -J250- has been renewed.
–  If the reference position has been re-adapted, the front camera for driver assist systems must be recalibrated on vehicles with lane departure warning function → Chapter „Calibrating front camera for driver assist systems“.
 

Removing and installing electronically controlled damping control unit -J250-, saloon

Assembly overview - electronically controlled damping system, multi-link suspension, saloon
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Comments concerning test print out
1 -  Check type. 2 -  Battery test result 3 -  Measured voltage 4 -  Measured cold start value of battery. 5 -  ...

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