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(RZ4E-TC) DTC P1655 (Flash Code 59) Sensor Reference Voltage 4 Circuit".
Condition for setting the DTC
Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) DTC type definitions".
Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) DTC type definitions".