Beetle L4-1.9L DSL Turbo (ALH) (1998)
Engine Control Module: Service and Repair
Engine Control Module Replacing
Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248-, replacing
Engine Control Module (ECM), replacing
Special tools
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VAG1551/1552 Scan Tool using VAG1551/3 Adapter cable
Work sequence
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Print out the ECM identification (and thereby the previous ECM coding) as follows:
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Connect VAG1551/1552 Scan Tool.
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Press -0- and -1- buttons to select Address word 01: "Engine electronics"
Display will appear as shown (I.D. example only):
038906018M 1.9l R4 EDC 00AG 1813
->
Coding 0001
WSC XXXXX
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Press Scan Tool print button to print out ECM identification.
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Press -> button.
Display will appear as shown:
Rapid data transfer
HELP
Select function XX
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Press -0- and -6- buttons to select Function 06: "End output"
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Press -Q- button to enter input.
Display will appear as shown:
Rapid data transfer
HELP
Select function XX
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Switch OFF ignition.
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Remove inner covers on plenum.
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Carefully pry off retainer bar with screwdriver (arrow).
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Release harness connector from Engine Control Module (ECM) and pull off.
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Insert new ECM and press to the left.
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Tighten nut for ground wire (located in front of ECM) to 91 ± 1 Nm (80 ± 9 in. lb)
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Check previous ECM coding and coding of new ECM.
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Activate Cruise Control System.
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Check DTC memory of new ECM, erase if necessary.
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Adapt new control module to immobilizer.