Beetle L4-1781cc 1.8L Turbo (APH) (1999)
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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory, checking and erasing DTC memory. Refer to
"Displaying, Reading and Erasing Trouble Codes/With Manufacturers Scan Tool/DTC Memory, Checking And Erasing", See: Testing and
Inspection
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Read-out the readiness code. If the DTC memory has been erased or the engine control module was disconnected from permanent positive, the
readiness code must be generated again.
Refer to "Monitors Trips and/or Drive Cycle/Displaying Readiness Code", See: Testing and Inspection
Refer to "Monitors Trips and/or Drive Cycle/Generating Readiness Code", See: Testing and Inspection
Not Available For Generic Scan Tool
This test is not available for the generic scan tool
With Manufacturer's Scan Tool
Oxygen Sensor (O2S) Behind Three Way Catalytic Converter -G130-, Checking
Special tools, test equipment and auxiliary items
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Scan tool VAG 1551 or vehicle system tester VAG 1552 with cable VAG 1551/3B
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Test box VAG 1598/31
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Multimeter (Fluke 83 or equivalent)
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Adapter set VAG 1594
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Wiring diagram
Check conditions
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Fuse 43 must be OK
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The battery voltage must be at least 11.5 V
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Fuel pump relay must be OK
Test sequence
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Connect scan tool VAG 1551 (VAG 1552). Start engine and select "Address word" 01 of engine control module. When doing this the engine must
be running at idle speed. Connecting scan tool and selecting engine control module. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial
Checks/VAG 1551 Scan Tool", See: Testing and Inspection
Indicated on display
Rapid data transfer
HELP
Select function XX
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Press keys 0 and 8 for the function "Read measuring value block" and confirm entry with Q key.
Indicated on display
Read measuring value block
Input display group number XXX
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Press keys 0, 4 and 1 for "Display group number 41" and confirm entry with Q key.