Passat Wagon L4-1781cc 1.8L Turbo (AEB) (1998)
Engine Control Module: Testing and Inspection
Engine Control Module (ECM) Version, Checking
VAG 1551 Scan Tool (ST), Connecting
Address Word 01 "Engine Electronics", Selecting
Special tools, testers, required:
-
VAG 1551/1552 Scan Tool using VAG 1551/3 adaptor cable
NOTE: The VAG 1552 Scan Tool can be used instead of the VAG 1551, however; the VAG 1552 does not have printing capability.
Test conditions:
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Fuses 12, 28, 29, 32 and 34 OK
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Battery voltage must be 11.5 Volts minimum
-
Ground connections: right engine mount and on body OK Body Ground connection
Work sequence:
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Connect VAG 1551 Scan Tool using VAG 1551/3 adaptor cable
After Scan Tool has been connected:
-
Depending upon desired Function:
Switch ON ignition
or
Start engine, See Selectable Functions/Testing Functions of On-Board Diagnostics II
NOTES:
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If display still blank, check Data Link Connector voltage supply
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If due to an input error "Fault in data transfer!" is displayed, disconnect Scan Tool, reconnect and repeat work step.
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Operate Scan Tool taking the displayed information into account
Display will appear as shown
VAG - On Board Diagnostic II
HELP
1 - Rapid data transfer*
2 - Blink code output*
*
Display alternately flashes lines 1 and 2
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Operate Scan Tool taking the displayed information into account
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Press button 1 to select "Rapid data transfer" mode
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Press buttons 0 and 1 to select address word 01