Oasis LS L4-2253cc 2.3L SOHC VTEC MFI (1999)
Temperature Sensor (Gauge): Testing and Inspection
1. Disconnect the YEL/GRN wire from the ECT sending unit.
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 given, replace the sending unit.