Golf L4-1.9L DSL Turbo (ALH) (1999)
Engine Control Module: Service and Repair
With Generic Scan Tool
Control module for Diesel-Direct Fuel Injection System, replacing
Work procedure
First, check the control module identification of the previous control module for Diesel-Direct fuel injection system as follows:
-
Connect diagnostic tester.
-
Switch ignition on.
-
Under address word 33, select "Diagnostic mode 9: vehicle information".
-
Select the vehicle information "Test-ID 04: Calibration Identification".
Control module identification will be indicated, e.g.: 3B0907551CG 0001
-
End diagnosis and switch ignition off.
-
Remove wiper arms and wind cowl.
-
Disengage connectors from control module and then remove the connector.
-
Press mounting bracket (arrow) towards left and pull control module out.
-
Insert the new control module into the mounting frame.
-
Install connector from control module and engage.
-
Check whether the new control module identification matches the old control module identification.
-
Generate readiness code.