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Home >> Pontiac >> 1989 >> Sunbird LE, 2D Coupe, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L Turbo Tests W/Codes >> Diagnostic Code Flow Charts (Code Charts) >> Code 14, Coolant Temp Sensor Signal Volt Low >> Notes

Code 14, Coolant Temp Sensor Signal Volt Low: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. Checks to see if code was set as a result of a hard failure or an intermittent condition. Code 14 will set if engine has been running for more than 10 seconds and signal voltage indicates a coolant temperature more than 275°F (135°C) for more than 3 seconds.
  2. This test simulates conditions for a Code 15. If the ECM recognizes the open circuit by displaying a low temperature, ECM and wiring are not at fault.
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