New Beetle L4-1.8L Turbo (AWP) (2003)
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Connect multimeter to measure voltage between terminal 1 and Ground (GND).
Specification: at least 11.5 V
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Connect multimeter to measure voltage between terminal 2 and Ground (GND).
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Switch on ignition.
Specification: min. 11.5 V
If the specifications are not obtained:
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Check wiring between 4-pin connector terminals 1 and 2 to central electrics using Electrical Wiring Diagram.
If the specifications are obtained:
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Remove inner plenum chamber cover, left.
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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.
