Beetle L4-1781cc 1.8L Turbo (APH) (1999)
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Disengage connector (arrow -1-) and disconnect it from ABS control module (arrow -2-).
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For this, perform a resistance measurement between test box socket 58 + 60:
Specification: Infinity Ohms
Vehicles with automatic gearbox
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Remove inner plenum chamber cover, right:
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Disengage connector (arrow) and disconnect from Transmission Control Module.
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For this, perform a resistance measurement between test box sockets 77 + 79:
Specification: Infinity Ohms
Continued for all vehicles
If the specification is not obtained (wires have short to one another):
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Repair the malfunction in the wiring using wiring diagram:
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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
If the specification is obtained (wires do not have a short to one another):
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Check wiring to CAN bus components for short to battery positive or Ground or open circuit using Wiring diagram:
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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