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Camshaft Position Sensor: Testing and Inspection

CHECKING CAMSHAFT POSITION SENSOR

Special Tools

^ Fluke 83 multimeter or equivalent
^ VW 1594 adaptor kit
^ VAG 1527B LED tester
^ Adaptor cable VAG 1315A/4

Test Conditions
^ Diagnostic Trouble Code (DTC) code "Camshaft Position sensor (CMP) G40" recognized by On Board Diagnostic.

Test Sequence
- Perform electrical check. Refer to Diagnostic Charts / VAG 1598 Pin Out Box / Electrical Checks / Test Step 12. Testing and Inspection





Checking Voltage Supply
- Disconnect 3-pin harness connector from Camshaft Position sensor.
- Connect multimeter between terminals 1 and 3 of harness connector using VW 1594 adaptor leads.
- Switch ON ignition.

^ Specification: 10 Volts minimum

- Switch OFF ignition.
- If specifications are obtained, replace Camshaft Position sensor.