A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
-
Using the Multimeter V.A.G 1526 A or equivalent, check the following wiring connection for voltage.
Harness connector Terminal
Measure to
1
Engine Ground (GND)
-
Switch the ignition on.
Specified value: about 5 V.
-
Switch the ignition off.
Checking signal wire
-
Using the Multimeter V.A.G 1526 A or equivalent, check the following wiring connection for voltage.
Harness connector Terminal
Measure to
2
Engine Ground (GND)
-
Switch the ignition on.
Specified value: approx. battery voltage.
-
Switch the ignition off.
Checking Ground (GND)
-
Using the Multimeter V.A.G 1526 A or equivalent, check the following wiring connection for voltage.
Harness connector Terminal
Measure to
3
Battery positive (+)
Specified value: about 10 V.
If the specified values are obtained:
-
Replace Camshaft Position (CMP) Sensor G40.
If the specified values are not obtained:
Checking resistance
-
Connect the test box 1598/42 to the wiring harness of the Engine Control Module (ECM) J623.