GTI L4-2.0L Turbo (BPY) (2007)
Engine Control Module: Service and Repair
Engine Control Module (ECM) J623 Secured With Anti-Theft Immobilizer, Removing and Installing
Engine Control Module (ECM) J623 Secured With Anti-theft Immobilizer, Removing And Installing
Special tools, testers and auxiliary items required
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Electric Knife V.A.G 1561 A
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Saw set V.A.G 1561/14
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Locking pliers
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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:
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Switch off ignition.
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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 adjustments on hot air gun -4- as shown: