Q5 Quattro V6-3.2L (CALB) (2009)
Engine Control Module: Service and Repair
Engine Control Module
Special tools, testers and auxiliary items required
‹› Heat gun 220 V/50 Hz (VAS 1978/14) with nozzle attachment from wiring harness repair kit (VAS 1978 )
‹› Small, commercially available locking pliers (vise grips)
‹› The Engine Control Module (ECM) - 1 - is bolted to a protective housing - 5 -. To make removing the shear bolts - 4 - for the retaining tabs - 2 -
more difficult, the threads are coated with locking compound.
‹› To disconnect the connectors from the ECM (e.g. to connect the test box or to replace the ECM), the metal housing must be removed.
Removing
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If the engine control module is replaced, in "Guided Fault Finding" select "Replace Engine Control Module" to Vehicle Diagnosis, Testing and
Information System (VAS 5051B ).
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Turn ignition and remove the ignition key.
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Remove nut - 3 - and bolt - 2 -.
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Remove filler neck - 1 - with filler tube from the washer fluid reservoir and opening in the body - arrow -.
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Remove bolts - arrows - and the cover from the E-box.