New Beetle L4-1.8L Turbo (AWP) (2003)
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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 wiring for open circuit between test box and 3-pin connector using Electrical Wiring Diagram.
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terminal 1 + socket 80
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terminal 2 + socket 25
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Wire resistance: Max. 1.5 Ohms
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Additionally check wire for short to battery positive (B+) and Ground.
Specification: Infinity Ohms
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Check wire for open circuit between 3-pin connector terminal 3 and Fuel Pump (FP) relay -J17- using Electrical Wiring Diagram.
Wire resistance: max. 1.5 Ohms
If no wiring problems are detected:
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Replace Motronic Engine Control Module (ECM) -J220-.
Activating Recirculating Valve for Turbocharger -N249-:
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Press -> button.
Indicated on display
Output Diagnostic Test Mode
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Recirculating valve for turbocharg -N249
Recirculating Valve for Turbocharger must click.
If the solenoid valve does not click: