Beetle L4-1.9L DSL Turbo (ALH) (1998)
Engine Control Module: Service and Repair
ECM Identification, Connecting VAG 1551/1552 Scan Tool
Address word 01: "engine electronics"
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required:
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VAG 1551 Scan Tool
NOTE: The VAG 1552 Scan Tool can he used instead of the VAG 1551; however the VAG 1552 is not equipped with a printer!
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VAG 1551/3 Connecting Cable
Test conditions:
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Battery voltage OK
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Fuse 12 OK
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Engine and transmission Ground connections OK
Work sequence:
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Connect VAG 1551/1552 using VAG 1551/3 adaptor cable.
Display will appear as shown
VAG On Board Diagnostic
HELP
1 - Rapid data transfer*
2 - Blink code output*
* Appears alternately
NOTE: If the display remains blank, See Scan Tool operating instructions.
After Scan Tool has been connected:
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Depending upon desired function:
Switch ON ignition
or