GLI L4-2.0L Turbo (CCTA) (2008)
Specified value: 650 to 1100 ohms
If the specified value was Not obtained:
-
Replace the Engine Speed (RPM) Sensor (G28).
If the specified value was obtained:
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 Engine Speed (RPM) Sensor (G28) electrical harness connector terminals to the Motronic Engine Control Module
(ECM) (J623) electrical harness connector terminals for an open circuit.
Specified value: 1.5 ohms Max.
If the specified value was Not obtained:
-
Check the wiring for an open circuit, high resistance or a short circuit to Battery (+).
-
Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-
If necessary, repair the faulty wiring connection.
If the specified value was obtained:
-
Remove the Engine Speed (RPM) Sensor (G28) and check the sensor wheel for proper seating, damage and run out.
If the sensor wheel is OK:
-
Replace the Motronic Engine Control Module (ECM) (J623).
Final procedures
After the repair work, the following work steps must be performed in the following sequence: