FixVault

Coolant Temperature Sending Unit

Unplug sending unit harness connector. Using an ohmmeter, connect probes to sending unit terminal and to ground on engine. Resistance readings should be as specified. See COOLANT TEMPERATURE SENDING UNIT RESISTANCE table.

COOLANT TEMPERATURE SENDING UNIT RESISTANCE

Application Temperature - °F (°C) Ohms
Excel & Scoupe 112 (50) 230
Excel 140 (60) 155
Excel 158 (70) 91-117
Excel 239 (115) 21-26
Excel 248 (120) 21
Excel 252 (122) 19.5
Sonata 140 (60) 125
Sonata 230 (110) 24