A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
Checking wiring
If the manufacturers test box is being used, perform the following step.
-
Install the test box.
If the manufacturers test box is not being used, perform the following step.
-
Remove the Motronic Engine Control Module (ECM) ( J623).
-
Using a multimeter, Check the Camshaft Position (CMP) Sensor (G40) electrical harness connector to the Motronic Engine Control Module
(ECM) electrical harness connector T60 for an open circuit.
Specified value: 1.5 ohms Max.
If the specified value was not obtained:
-
Check the wiring for a short circuit to Battery (+), or an open circuit.
-
Check the wiring connection for damage, corrosion, loose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring and voltage supply was OK:
-
Replace the Camshaft Position (CMP) Sensor (G40 ).
If no malfunction is found in the wiring and voltage supply was not OK:
-
Replace the Motronic Engine Control Module (ECM) (J623).
-
Install the engine cover with air filter.
Final procedures
After the repair work, the following work steps must be performed in the following sequence: