Toro Z Master Z400 Series - Neutral Safety Switch

6-6 Z Master Z400 Service Manual
6
ELECTRICAL
How It Works
Detents inside the switch give it 3 positions: OFF, RUN,
and START. The START position is spring loaded so the
cylinder automatically returns to RUN once the key is
released (Fig. 388).
Fig 388 MVC-166
1. Disconnect the switch from the wiring harness.
2. Verify that continuity exists between the terminals
listed for the switch position.
3. Verify that there is NO continuity between terminals
not listed for the switch position.
OFF No continuity between terminals
RUN Continuity - B I A XY
START Continuity - B I S
Fig 389 PICT-0192
To gain access to the neutral safety switches, remove
the panel assembly. There are 2 neutral switches. One
for the right motion control handle and one for the left
motion control handle (Fig. 389 Right Hand side) (Fig.
390 Left Hand side).
Note: Harness removed for clarity
Used to ensure the motion control handles are in neutral
to start the unit. It is activated by moving the motion
control handles to the neutral position (handles outward).
Ignition Switch Wiring Connections
B = Battery voltage “in”
S = Starting Circuit
I = Safety Circuit, Gauges, and Start Circuit
A=Alternator/ChargeCircuit
Y = Safety and Start Circuit
X=Safety/Start/DelayModule
Testing
Neutral Safety Switch
Purpose
Location