Camshaft Position Sensor: Testing and Inspection

Camshaft Position Sensor, checking

Special tools and equipment
- VAG1598/31 test box
- VAG1526 hand multimeter or VAG1715 multimeter
- VAG1594 adapter set
- Wiring diagram

Check conditions
- Camshaft Position (CMP) sensor 2 -G163- screwed on tight
- The battery voltage must be at least 11.5 V.

Test sequence







- Pull 3 pin connector -1- off Camshaft Position (CMP) sensor 2 -G163- -2-.
- Connect multimeter to measure voltage using aux. cables from VAG1594 to the outer contacts of the connector.
- Switch ignition on.
Specification: min. 4.5 V
- Switch ignition off.







- Connect VAG1598/31 test box to control module wiring harness. The engine control module remains disconnected.







- Check wiring for open circuit between test box and connector using
- Wiring diagram.
Contact 1+socket 98
Contact 2+socket 86
Contact 3+socket 108
Wire resistance: Max. 1.5 Ohm
- Additionally check wires for short to one another.

If no wiring fault is detected and voltage was present between contacts 1+3:
- Replace Camshaft Position (CMP) sensor 2 (G40).
- Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. Refer to "Displaying and Reading Trouble Codes/With Manufacture Scan Tool/Check DTC Memory (Function 02)" Testing and Inspection
- Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must be generated again: Refer to "Monitors, Trips and/or Drive Cycle/ Reading Readiness Code" Testing and Inspection
Engine code AWW. Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" Testing and Inspection
Engine code AWP. Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" Testing and Inspection

If no wiring fault is detected and no voltage was present between contacts 1+3:
- Replace engine control module.