A5 Quattro Coupe V6-3.2L (CALA) (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 Engine Control Module (ECM) (e.g. to connect the test box or to replace the ECM), the metal housing must
be removed.
Removing
-
If Engine Control Module (ECM) was replaced, select diagnostic object " Replacing Engine Control Module (ECM)" in "Guided Functions".
-
Turn ignition and remove ignition key.
-
Pull plenum chamber cover rubber seal in front of nut - 1 - slightly.
-
Disengage wiring harness - 2 - at mounts - A -.
-
Remove nut - 1 -.