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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
Output voltage of ECT sensor is less than 3.0 V (20°C) even though more than prescribed time (in accordance with ECT at the time of starting) has been elapsed after starting engine.
(2 driving cycle detection logic, monitoring once per driving cycle)
  • ECT sensor and its circuit
  • Thermostat
  • ECM