Camshaft Position Sensor: Testing and Inspection
CHECKING CAMSHAFT POSITION SENSORSpecial 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.