The engine coolant temperature sensor is installed near the thermostat housing. The engine coolant temperature sensor is a variable resistor and measures the temperature of the engine coolant. If the ECM detects an excessively high temperature in the engine coolant, the DTC is set.
Condition for running the DTC
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC P0697 Sensor Reference Voltage 3 Circuit".
Condition for setting the DTC
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".