D50/Power Ram 50 L4-2350cc 2.4L SOHC (1992)
Camshaft Position Sensor: Component Tests and General Diagnostics
Top Dead Center (TDC) Sensor Circuit
To test the Top Dead Center (TDC) Sensor located in the distributor, proceed as follows.
OSCILLOSCOPE TESTING PROCEDURE:
1. Connect test leads from the oscilloscope to the #4 terminal of the sensor connector and run the engine at idle speed.
Scope Test Waveform--single Rotation Of The Distributor
2. Check the waveform and compare it to the diagram shown.
VOLTAGE TESTING PROCEDURE:
1. Connect a voltmeter between terminal 2 and 4 of the crank angle sensor connector.
Terminal 4: Top Dead Center (TDC) signal
Terminal 2: Sensor ground
2. Measure the output voltage of the terminals while cranking the engine.
Standard approximate value
2.0 - 2.5v
