Component Testing; Ignition Switch - Toro Multi Pro 5700-D Service Manual

Component Testing

For accurate resistance and/or continuity checks, elec-
trically disconnect the component being tested from the
circuit (e.g. disconnect the ignition switch connectors
before doing a continuity check on the ignition switch).
NOTE: See the Kubota 05 Series Diesel Engine Ser-
vice Manual for more component testing information.

Ignition Switch

The ignition (key) switch has three positions (OFF, ON,
and START). Two ignition switches have been used on
Multi Pro 5700--D sprayers. Machines with serial num-
bers below 310000000 were equipped with a switch as
shown in Figure 4. Machines with serial numbers above
310000000 use a switch as shown in Figure 5. The
switch terminals are marked as shown in the appropri-
ate figure. The circuit logic of the ignition switches is
shown in the charts below. With the use of a multimeter
(ohms setting), the switch functions may be tested to de-
termine whether continuity exists between the various
terminals for each switch position. Verify continuity be-
tween switch terminals.
Circuit identification for machines with serial number be-
low 310000000 (Fig. 4):
POSITION
OFF NONE
ON B + I + A, X + Y
START B + I + S
Circuit identification for machines with serial number
above 310000000 (Fig. 5):
POSITION
OFF NONE
ON B + C + F, D + E
START A + B + C
Multi Pro 5700--D
CIRCUIT
CIRCUIT
Page 5 - - 7
CAUTION
When testing electrical components for continu-
ity with a multimeter (ohms setting), make sure
that power to the circuit has been disconnected.
SERIAL NUMBER BELOW 310000000
OFF
45 °
ON
45 °
START
FRONT VIEW
Figure 4
SERIAL NUMBER ABOVE 310000000
RUN
o
45 o
45
OFF START
FRONT VIEW
Figure 5
Rev. D
A
B
Y
S
X
I
REAR VIEW
F
A
E
B
D
C
REAR VIEW
Electrical System