A4 Quattro Wagon L4-1.8L Turbo (AWM) (2001)
Checking activation
-
If installed, slide back the rubber grommet on the connector for the Camshaft Position (CMP) sensor, but leave the connector connected.
-
Connect VAG1527B voltage tester between sockets 2 (CMP sensor signal) and 1 (B+).
NOTE: Connector socket numbers are shown on the rear side of the connector.
-
Operate starter for a few seconds.
-
LED must blink.
NOTE: Voltage testers do not go out completely during low current pick-up between activations by the ECM, but rather continue to glow a little and
then get significantly brighter during activation.
If LED does not blink:
Checking voltage supply
-
Disconnect connector at Camshaft Position (CMP) sensor.
-
Connect multimeter for voltage measurement as follows: