Kubota V3800-CR-TE4 Diagnosis Manual page 215

V3800-CR-TE4,V3800-CR-TIE4, DM
(1) Terminal +B
(2) Terminal MAHR
(3) Terminal GLRY
(4) Terminal GND
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.
Factory
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.
Factory
specification
OK
NG
(1) Dummy Resistor
(2) Connector
1-S188
(a) Fuse
(b) Air Heater Relay
(c) ECU Connector 1
(A: 96 Pin)
OFF
ON
Normal.
Go to "2. Check the Wiring Harness / Connector".
COMMON RAIL SYSTEM
A: To Main Air Heater Relay
9Y1200192CRS0731US0
(a) Coolant Temperature Sensor
9Y1200192CRS0330US0
KiSC issued 05, 2012 A