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Testing unit injector valve > < Testing Intake manifold flap motor V157

Fabia Mk1

Inspecting the camshaft position sensorG40
Inspecting the camshaft position sensor -G40-
Special tools and workshop equipment required
t  Hand multimeter (e.g. -V.A.G 1526 A-)
t  Adapter cable set (e.g. -V.A.G 1594 C-)
t  Test box -V.A.G 1598/31-
Test sequence
–  Remove engine cover.
   
–  Unplug the plug -1- from the camshaft position sensor -G40--2-.
–  Switch on ignition.
–  Connect up hand multimeter and measure the voltage being applied to the following contacts:
  S23-0123
Connector -1-, contactSpecification 
1 + earthapprox. battery voltage 
3 + battery pos. term.approx. battery voltage

If the specified values are not reached:
Switch off ignition.
–  Connect test box -V.A.G 1598/31 - to the wiring loom on the engine control unit → Chapter.
–  Check the following line connection for an open circuit:
   
Connector -1-, contactTest box -V.A.G 1598/31-, bush 
11 + 2 
2109
3101

–  Also check the wires for short-circuits.
–  If necessary eliminate wire interruption or short-circuit.
If the wires are not found to be faulty and if there was a voltage:
–  Replace the camshaft position sensor -G40-.
If the wires are not found to be faulty and if there was no voltage:
–  Replacing engine control unit -J248- → Chapter.
   

Testing unit injector valve > < Testing Intake manifold flap motor V157