Jetta GLX V6-2.8L (AFP) (2002)
Engine Control Module: Service and Repair
Motronic Engine Control Module (ECM) -J220-, Replacing
Engine Control Module (ECM), Replacing
Special tools and equipment
VAG1551 Scan Tool (ST) with VAG1551/3 adapter cable
Removing
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First print out control module identification and thereby previous control module coding as follows:
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Connect VAG1551 (VAG1552) Scan Tool (ST).
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Switch ignition on and press buttons -0- and - 1- to insert "Engine Electronics" address word 01.
The control unit identification and coding are indicated on the display, e.g.:
021906018B MOTRONIC ME7.1 G V06 ->
Coding 00000
WSC 00000
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Print out control module identification by pressing scan tool PRINT button.
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
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Remove wiper arms and plenum chamber cover.
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Release harness connector from control module and disconnect.
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Press retaining tab (arrow) to left and remove control module.
Installing
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Place new control module into retaining frame.
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Install control module harness connector and lock.
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Check previous coding and coding of new control module.
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Adapt ECM to immobilizer.
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
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Adapt new control module to throttle valve control module.
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Activate cruise control system.
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Check idle speed.
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Generate readiness code.