Kubota 07-CR-E5 - Page 207

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S169
9Y3200007CRS0217US0
1. Check the Coolant Temperature Sensor Signals
1. Place the key switch in the ON position, and check the "Coolant
temperature" and "Coolant temperature sensor output voltage"
on the diagnosis tool data monitor.
9Y3200007CRS0218US0
(1) Terminal THW (2) Terminal THW RTN (a) Pin Assignment
(b) Coolant Temperature
Sensor
(c) Engine ECU Connector 1
(Engine Side)
(d) Engine ECU
Service specification
Actual coolant
temperature
Coolant temperature Output voltage
20 °C (68 °F) 20 °C (68 °F) Approx. 2.4 V
40 °C (104 °F) 40 °C (104 °F) Approx. 1.5 V
60 °C (140 °F) 60 °C (140 °F) Approx. 0.9 V
80 °C (176 °F) 80 °C (176 °F) Approx. 0.5 V
100 °C (212 °F) 100 °C (212 °F) Approx. 0.3 V
OK Clear the DTC and check whether it is output again or not.
OK Normal.
NG Replace the engine ECU.
NG Go to "2. Measure the Resistance Between Terminals".
(a) CAN1 Connector
KiSC issued 03, 2022 A