Key Switch - Toro Reelmaster 5410 Series Service Manual

Key Switch

Testing the Key Switch
Electrical System: Testing the Electrical Components
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1. Key switch
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The key switch (Figure
O , R , and S (Figure
FF UN TART
The Toro Electronic Controller (TEC) monitors the operation of the key switch.
1. Park the machine on a level surface, lower the cutting units, set the parking
brake, and shut off the engine. Remove the key from the key switch.
2. Before you disconnect the key switch for testing, ensure that you test the
switch and its circuit wiring as a TEC electrical input with the InfoCenter
display; refer to Using the InfoCenter Display for Troubleshooting (page
7–28).
3. If the input testing verifies that the key switch and circuit wiring are functioning
correctly, no further key switch testing is necessary.
4. If the input testing determines that the key switch and circuit wiring are not
functioning correctly, proceed with the following key switch testing procedure.
5. Remove the right control arm cover to get access to the key switch; refer to
Disassembling the Control Arm (page
6. Ensure that the key switch is in the O
connector from the key switch.
7. The key switch terminals are identified in
switch is shown in the
multimeter (ohms setting), test the switch functions to determine if continuity
exists between the various terminals for each switch position. Check the
continuity between the switch terminals.
Figure 237
2. Control arm
Figure 238
237) is located on the control arm and has three positions:
238).
8–23).
position. Disconnect the wire harness
FF
Figure 238
Circuit Logic Table (page
Page 7–64
and the circuitry of the
7–65). With the use of a
Reelmaster ® 5410/5510/5610 Series
15216SL Rev C