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Home › Isuzu › 1990 › Trooper XS, 2.6 E, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes - 2.8L › Diagnostic Circuit Check › Code 14: Coolant Temp Sensor, Hi Temp Indicated › Notes

Code 14: Coolant Temp Sensor, Hi Temp Indicated: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. Code 14 will set if signal voltage indicates a coolant temperature greater than 275°F (135°C) for 2 seconds.
  2. This test will determine if circuit No. 410 is shorted to ground, which will cause the conditions for Code 14.
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