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Coolant Temperature Always Reads Cold

  1. Temperature Indicator Sending Unit Check  - Perform TEMPERATURE SENDING UNIT TEST under COMPONENT TESTS. If necessary, replace temperature sending unit. If temperature sending unit is okay, go to next step.
  2. Temperature Gauge Check  - Perform TEMPERATURE GAUGE TEST under COMPONENT TESTS. If necessary, replace temperature gauge. If temperature gauge is okay, go to next step.
  3. Indicator Circuit Check  - Turn ignition off. Disconnect instrument cluster C209 (White) connector. Check resistance of Yellow/Black wire between instrument cluster connector C209 terminal A8 and temperature sending unit connector (located at top left side of engine). If resistance is less than 5 ohms, replace instrument cluster printed circuit board. If resistance is not as specified, repair open in Yellow/Black wire.
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