Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998)
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Always replace gasket -C-. Do not allow gasket to block or interfere with opening in plenum for harnesses.
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When installing cover for housing, engage into tab and press firmly into place by hand first. Cover screws MUST be torqued to 4 Nm (35 in lb)
Engine Control Module (ECM), Replacing
Engine Control Module (ECM), replacing
Special tools and equipment
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V.A.G 1551 Scan Tool (ST) with VAG 1551/3 Adapter
Procedure
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First, print out the old control module identification, and thus also its coding, as follows:
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Connect V.A.G 1551 scan tool (VAG 1552). Then switch ignition on and select the Engine Control Module (ECM) using address word 01.
(connecting scan tool and selecting ECM).
Display will indicate the control module identification and the coding, e.g.:
4B0906018P 1.8 R4/5VT Motr G 0001
->
Coding 07501 WSC 00000
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Press the Print key on the Scan Tool (ST) to print out the control module identification.
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
Indicated on display:
Rapid data transfer
HELP
Select function XX
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Switch ignition off.