Kubota M9540, Workshop Manual, Page: 533 / 619

9-S32
M8540, M9540, WSM ELECTRICAL SYSTEM
4WD Switch (CABIN Model)
1) Connector Voltage
1. Turn the main switch to ON position.
2. Measure the voltage with a voltmeter across the terminal b and
chassis.
3. If the voltage differ from the battery voltage, the wiring harness or
fuse is faulty.
NOTE
Q
• The terminal b of 3P connector for 4WD switch is red/green
color wire.
W1036008
2) 4WD Switch
1. Test the continuity through the switch with an ohmmeter.
2. If continuity specified below is not indicated, the switch is faulty.
W1036530
Hi-Lo Dual Speed Switch (F36/R36 Speed Transmission Model)
1) Dual Switch Continuity
1. Check the continuity with an ohmmeter across the switch 1P
connectors.
2. If it does not conduct or any value is indicated when the switch is
pushed, the switch is faulty.
3. If infinity is not indicated when the switch is released, the switch
is faulty.
W1024152
Voltage Terminal b – Chassis Approx. battery voltage
(1) 4WD Switch (2) 3P Connector (Wire Harness Side)
b r e
OFF
O O
ON
O O O
(1) Work Light Switch
Resistance
(Across switch
terminals)
Reference
value
When switch is pushed ( P ) 0
Ω
When switch is released
(
R )
Infinity
(1) Hi-Lo Dual Speed Switch
(2)
1P Connector
P : Pushed
R : Released
KiSC issued 09, 2008 A