FixVault

Test Procedure

-- Perform a preliminary check to verify the customers complaint. Refer to PRELIMINARY CHECK 

Start diagnosis

-- Remove the engine cover. Refer to the Repair Information.

-- Disconnect the Camshaft Position (CMP) Sensor -G40- -3- electrical harness connector.

Fig 1: Exploded View Of Cylinder Head Components
GWWA15-10857Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Switch the ignition ON.

-- Using a Multimeter, Check the Camshaft Position (CMP) Sensor -G40- electrical harness connector terminals 1 to 3 for voltage.

Specified value: about 5.0 V

-- Switch the ignition Off.

Continue test according to the following table:

Value Cause Test
If the specified value was not obtained: Open or shorted circuit Checking Wiring 
If the specified value was obtained: Check reference signal circuit Checking Activation