New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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Additionally check wire for short to battery positive (B+) and Ground.
Specification: Infinity Ohms
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Check wire between 2 pin connector terminal 1 and Fuel Pump (FP) relay -J17- for open circuit using Electrical Wiring Diagram.
Wire resistance: max. 1.5 Ohms
If no wiring malfunctions are detected:
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Replace Motronic Engine Control Module (ECM) -J220-.
Activating Leak Detection Pump (LDP) -V144-
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Press -> button.
Indicated on display
Output Diagnostic Test Mode
->
Leak diag. pump tank breathing system
Leak Detection Pump must run at intervals until next actuator is activated by pressing -> button.
If the leak detection pump does not run:
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Remove rear right wheel housing liner.
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Disconnect 3-pin connector -arrow- from Leak Detection Pump (LDP) -V144-.
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Connect VAG 1527B voltage tester between disconnected connector terminals 2 and 3 using adapter cables from VAG 1594.
LED must flash (bright/darker)
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 Leak Detection Pump (LDP) -V144-:
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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.