Crankshaft Position Sensor: Testing and Inspection
CIRCUIT DIAGRAM
USING SCAN TOOL
HARNESS INSPECTION PROCEDURES
USING OSCILLOSCOPE
1. Run the engine at idle speed.
2. Connect the probe to the oscilloscope pick-up point as shown in the circuit diagram, and check the waveform.
TROUBLESHOOTING HINTS
If circuit is shorted or a wire is broken in the crankshaft position sensor circuit, the engine will stop and not restart.