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TESTING

NOTE: The camshaft position sensor requires a scan tool in order to properly test the component.

Fig. 1:When using a scan tool, make sure to follow all of the manufacturers instructions carefully to ensure proper diagnosis

  1. Connect a scan tool to the diagnostic link.
  2. Detach the fuel injector wire harness connectors. This will ensure that the engine does not try to start and run while performing the test.

    Fig. 2: To test the camshaft position sensor, remove the distributor, connect a scan tool then rotate the distributor drive by hand

  3. Remove the distributor from the engine.
  4. Detach the 3-wire connector from the distributor.
  5. Enable the scan tool to record the camshaft position sensor output.
  6. Rotate the distributor drive by hand and verify that there were four 5 volt pulses within one revolution of the distributor drive.
  7. If not as specified, replace the distributor assembly.

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