TL L5-2451cc 2.5L SOHC G25A4 FI (1995)
Temperature Sensor (Gauge): Testing and Inspection
ECT Sending Unit Test
1. Disconnect the YEL/GRN wire from the ECT sending unit.
ECT Sending Unit Test
2. Using an ohmmeter, measure the change in resistance between the positive terminal and the engine (ground) with the engine cold and with the
engine at operating temperature.
3. If the obtained readings are substantially different from the specifications above, inspect the coolant level and the cooling system. If the cooling
system is OK, replace the sending unit.
