New Beetle L4-1.8L Turbo (AWP) (2003)
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Pull 2 pin connector off Wastegate Bypass Regulator Valve -N75- -arrow-.
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Connect VAG 1527B voltage tester using adapter cables from VAG 1594 to disconnected connector.
LED must flash
LED flashes:
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Proceed with Output Diagnostic Test Mode (DTM) until completed.
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Switch off ignition.
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Replace Wastegate Bypass Regulator Valve -N75-.
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Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory, checking and erasing DTC memory. See: Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code. If DTC memory has been erased or Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive
(B+), readiness code must be generated again. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes See: Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
LED does not flash:
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Proceed with Output Diagnostic Test Mode (DTM) until completed.
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Switch off ignition.
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Remove inner plenum chamber cover, left.
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Connect test box VAG 1598/31 to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.
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Check wire between test box socket 104 + 2 pin connector terminal 2 for open circuit using Electrical Wiring Diagram.
