Camshaft Position Sensor: Testing and Inspection

Camshaft Position Sensor

INSPECTION
1. Prepare an oscilloscope.
2. Remove the lower inner trim of passenger's side.
3. Turn over the floor mat of passenger's seat.
4. Remove the protect cover.






5. Remove the nuts and bolts which hold the ECM to the bracket.






6. Connect the probe to ECM connector.






7. Start the engine and let it idle.
8. Check the pattern is as same as the waveform and voltage shown below.