A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Checking internal resistance
-
Using a multimeter, check the Engine Speed (RPM) Sensor (G28) terminals 1 to 2 - B - for resistance.
Specified value: 0.7 to 1000 kOhm
If the specified value was not obtained:
-
Replace the Engine Speed (RPM) Sensor (G28).
If the specified value is obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box. Refer to Fuel Injection and Ignition Repair Information.
If the manufacturers test box is not being used. Perform the following step.
-
Remove the Engine Control Module (ECM) (J623 ). Refer to => [ ECM, Removing and Installing ] See: Powertrain Management/Computers and
Control Systems/Engine Control Module/Service and Repair/ECM, Removing and Installing.
-
Using a Multimeter, check the Engine Speed (RPM) Sensor (G28) electrical harness connector terminals to the Engine Control Module (ECM)
(J623) electrical harness connector T60 terminals for an open circuit.