With Manufacturer's Scan Tool

Camshaft Position sensor, checking

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

- VAG 1598/22 Test Box
- Fluke 83 multimeter
- VW 1594 Adaptor kit
- Wiring diagram

Test conditions
- Battery voltage must be 11.5 Volts minimum

Test sequence







- Disconnect 3-pin harness connector -1- from Camshaft Position sensor -2-.
- Switch Fluke 83 multimeter to Voltage range.
- Connect multimeter between harness connector outer terminals using jumper wires from VW 1594 adaptor kit.
- Switch ON ignition.
- Specification: 4.5 Volts minimum
- Switch OFF ignition.







- Connect VAG 1598/22 Test Box to ECM harness connector.







- Check wiring for open circuit between Test Box and harness connector using wiring diagram.
- Terminal 1 + socket 62
- Terminal 2 + socket 76
- Terminal 3 + socket 67
Wire resistance: 1.5 Ohms maximum

- Disconnect Throttle valve control module -J338- harness connector.
- Check wires for shorting to one another.
- Specification: Infinity Ohms

If wiring OK and voltage present between terminals 1 + 3:
- Replace Camshaft Position sensor G40.

If wiring OK and no voltage is present between terminals 1 + 3:
- Replace ECM.