R32 4Motion V6-3.2L (CBRA) (2008)
Engine Control Module: Service and Repair
Engine Control Module With Anti-Theft Immobilizer
Engine Control Module With Anti-Theft Immobilizer
Special tools, testers and auxiliary items required
-
Electric knife V.A.G 1561 A
-
Saw set V.A.G 1561/14
-
Locking pliers
-
Hot air gun from wiring harness repair kit VAS 1978
NOTE: If it is desired to replace Engine Control Module (ECM), connect vehicle diagnosis, testing and information system VAS 5051B and
perform the guided function "Replace Engine Control Module (ECM)".
Removing
-
Switch off ignition.
-
Remove windshield wiper arms, plenum chamber cover and plenum chamber facing wall.
NOTE: Thread of shear bolts is equipped with locking compound. By heating the shear bolts using a hot air gun, inhibition effect of the locking
compound is lowered.
CAUTION: Cover wires, harness connectors and control modules in the close vicinity of Engine Control Module (ECM) to prevent
damage from burning.
Perform the adjustments on the hot air gun - 4 - as shown:
-
Turn potentiometer for temperature adjustment - 2 - to maximum heat output (600 degrees C).
-
Move two stage switch for air quantity - 3 - to position 3.
CAUTION: By heating the shear bolts, parts of the protective housing are heated intensely. Wear protective gloves to prevent injuries.
-
Guide nozzle of hot air gun on to shear bolts.
-
Switch heat gun on and warm screws.
-
Unscrew bolts using locking pliers.
NOTE: If screws cannot be removed, saw into heads of shear bolts so that two parallel surfaces are formed - arrows - and then unscrew them.