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TESTING

Navajo

Using a DVOM set to the DC scale to monitor less than 5 volts, measure the voltage between the sensor Cylinder Identification (CID) terminal and ground by backprobing the sensor connector. If the connector cannot be backprobed, fabricate or purchase a test harness. The sensor is okay if the voltage reading varies more than 0.1 volt with the engine running at varying RPM.

Fig. 1: CKP sensor wire harness connections for the 4.0L engine

Pick-up and MPV Models
  1. Disconnect the negative battery cable.
  2. Remove the distributor assembly.
  3. Plug in the distributor connector.
  4. Unplug the fuel injector connector.
  5. Turn the ignition switch to the ON position.

    Fig. 2: Engine Signal Monitor and Adapter Harness connected to the engine control module

    Fig. 3: Output signal specifications chart (JE — 3.0L / G6 — 2.6L)

  6. Connect the Engine Signal Monitor and Adapter Harness to the engine control module as illustrated.
  7. Set the Engine Signal Monitor.
  8. Turn the distributor drive by hand and measure the output voltage.
  9. If not as specified, replace the distributor assembly.

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