Kubota MX5100 - Coolant Temperature Sensor

9-S24
MX5100, WSM
ELECTRICAL SYSTEM
(13) Coolant Temperature Sensor
Coolant Temperature Sensor
1) Lead Terminal Voltage
1. Disconnect the lead from the coolant temperature sensor after
turning the main switch off.
2. Turn the main switch on and measure the voltage with a
voltmeter across the lead terminal and the chassis.
If the voltage differs from the battery voltage, the wiring harness,
fuse or coolant temperature gauge is faulty.
2) Sensor Continuity
1. Measure the resistances with an ohmmeter across the sensor
terminal and the chassis.
2. If the reference value is not indicated, the sensor is faulty.
W10251040
Voltage Lead terminal – Chassis Approx. battery voltage
Resistance
(Sensor terminal –
Chassis)
Reference
value
Approx. 55 Ω at 80 °C (176 °F)
Approx. 118 Ω at 50 °C (122 °F)
(1) Lead
(2) Coolant Temperature Sensor
(a) From Battery