New Beetle Turbo S L4-1.8L Turbo (AWP) (2002)
-
Disconnect 4-pin connector 2 from Charge Air Pressure Sensor -G31-.
-
Connect multimeter to measure voltage using aux. cables from VAG1594 to contacts 1 (Ground) and 3 (positive) of connector for Charge Air
Pressure Sensor.
-
Switch ignition on.
Specification: min. 4.5 V
-
Switch ignition off.
If no voltage is present:
-
Remove inner plenum chamber cover, left side.
-
Connect test box VAG 1598/31 to control module wiring harness. Engine Control Module is not connected by this action.
-
Check wiring between test box and connector for open circuit according to wiring diagram.
Terminal 1 + socket 108