LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2012 >> Beetle Turbo, 2.0L Eng VIN A, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - Generic Scan Tool - Engine Code: CBFA (Hatchback) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Camshaft Position Sensor, Checking >> Test Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Procedure

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

Start diagnosis

-- Disconnect the Camshaft Position (CMP) Sensor -G40- electrical harness connector -2-.

Fig 1: Camshaft Position Sensor Electrical Harness Connector
GWWA15-10609Courtesy 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: near 5.0 V

-- Switch the ignition Off.

Checking wiring

-- Remove the Engine Control Module (ECM) -J623-. Refer to the Repair Information.

-- Using a multimeter, Check the Camshaft Position (CMP) Sensor -G40- electrical harness connector to the Engine Control Module (ECM) -J623- 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