Kubota M9540, Workshop Manual, Page: 535 / 619

9-S34
M8540, M9540, WSM ELECTRICAL SYSTEM
[8] LIGHTING SWITCHES AND FLASHER UNIT
(1) Combination Switch (ROPS Model)
Checking Connector Voltage
1. Disconnect the combination switch connector.
2. Measure the voltage with voltmeter across the connector
terminal B1 and chassis, across the terminal B2 and chassis,
across the terminal B3 and chassis.
3. If the voltage differs from the battery voltage, the wiring harness,
fuses or main switch faulty.
W1030781
Checking Light Switch and Turn Signal Switch
1. Test the continuity through the switch with an ohmmeter.
W1031103
Voltage
Main switch at
“ON”
Terminal B1 –
Chassis
Approx. battery
voltage
Main switch at
“OFF”
Terminal B2 / B3 –
Chassis
(1) Combination Switch (2) Combination Switch Connector
(Wire Harness Side)
Terminal
Continuity Position B1 T 1 2 B2 R L B3 H
Turn
signal
switch
R.H. (a)
O O
OFF (b)
L.H. (c)
O O
Light
switch
OFF (d)
Lo (e)
O O O
Hi (f)
O O O
Horn
switch
Free (g)
Push (h)
O O
(1) Turn Signal Switch
(2) Combination Switch
(3) Horn Switch
(4) Light Switch
(5) Combination Switch Connector
(Switch Side)
(a) Right Turn
(b) OFF
(c) Left Turn
(d) OFF
(e) Head Light (Lo)
(f) Head Light (Hi)
(g) Free
(h) Push
KiSC issued 09, 2008 A