Hazard Switch [B1620 And B1820] - Kubota B1220 Workshop Manual

B1220, B1620, B1820, WSM

(17) Hazard Switch [B1620 and B1820]

Hazard Switch
1. Remove the steering wheel and steering boot.
2. Disconnect the 4P connector from hazard switch after
disconnect the battery negative cable.
3. Remove the hazard switch.
4. Perform the following checks.
(1) Hazard Switch
Connector Voltage
1. Connect the battery negative cable, then measure the voltage
with a voltmeter across the a terminal and chassis.
2. If the voltage differ from the battery voltage, the wiring harness
is faulty.
Voltage a terminal – Chassis
(1) 4P Connector
Hazard Switch continuity
1. Measure the resistance with ohmmeter across the a terminal (3)
and c terminal (5), and across the d terminal (6) and e terminal.
2. If the measurement is not following below, the hazard switch (1)
or the bulb (2) are faulty.
Resistance
a terminal – c terminal
(Switch at OFF)
Resistance
a terminal – c terminal
(Switch at ON)
Resistance
d terminal – e terminal
(Bulb)
(1) Hazard Switch
(2) Bulb
(3) a Terminal
9-S33
ELECTRICAL SYSTEM
9Y1210272ELS0030US0
Approx. battery voltage
9Y1210272ELS0031US0
Infinity
0 Ω
Approx. 13 Ω
(4) b Terminal
(5) c Terminal
(6) d Terminal
9Y1210272ELS0032US0
KiSC issued 07, 2011 A
(EU)