Kubota 07-CR-E5 Manual page 239

07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
(1) Terminal +B
(2) Terminal MAHR
(3) Terminal GRLY
(4) Terminal GND
(a) Fuse
(b) Air Heater (Glow) Relay
1. Check the GLRY Signal
1. Run the engine until the coolant temperature is 10 °C (50 °F) or
higher.
2. Check the "Glow relay" data with the data monitor.
Service
specification
3. After disconnecting the connector (2) of coolant temperature
sensor and connect the dummy resistor (1) as shown in the left
figure, and turn the key switch ON.
Dummy Resistor: 15 to 25 kΩ [Comparable to Approx. –30 to
–20 °C (Approx. –22 to –5 °F)]
4. Check the "Glow relay" data with the data monitor.
Service
specification
OK
NG
(1) Dummy Resistor
(2) Connector
1-S201
(c) Engine ECU Connector 2
(Machine Side)
(d) Engine ECU
OFF
ON
Normal.
Go to "2. Check the Wiring Harness / Connector".
COMMON RAIL SYSTEM
A: To Main Air Heater (Glow)
Relay
9Y3200007CRS0289US0
(a) Coolant Temperature Sensor
9Y3200007CRS0290US0
KiSC issued 03, 2022 A