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Coolant Sensor Circuit Test (2.2L)

  1. Disconnect 14-pin connector from computer. Disconnect coolant sensor connector. Connect ohmmeter leads to terminal 9 of 14-pin connector and terminal 3 of sensor connector. Move ohmmeter leads to terminal 11 of 14-pin connector and terminal 2 of sensor connector.
    Fig 1: Coolant Sensor Testing Connections for 2.2L Engine
    G2393
  2. Continuity should exist in both instances. If not, replace or repair wiring harness as necessary.
Fig 2: Wiring Diagram for Chrysler 1.6L and 2.2L EFC System
G47321
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