Q7 Quattro V6-3.6L (BHK) (2007)
Engine Control Module: Service and Repair
Engine Control Module
Engine Control Module
Special tools, testers and auxiliary items required
‹› Heat Gun 220 V/50 Hz (VAS 1978/14) - 1 - with nozzle attachment - 2 - from Wiring Harness Repair kit (VAS 1978A)
‹› Locking pliers - 3 - (commercially available)
‹› 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 protective housing
must be removed.
Removing
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If Engine Control Module (ECM) is replaced, select diagnostic object " Replace ECM" in "Guided Functions" operating mode.
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Switch off ignition and remove ignition key.
-
Remove rubber seal at front of plenum chamber.
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Unclip right plenum chamber cover and raise slightly.
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Grasp under plenum chamber cover and unclip ECM - 1 - from bracket.