Engine Speed Switch - Toro Groundsmaster 360 Service Manual

Engine Speed Switch

Testing the Engine Speed Switch
Groundsmaster 360
16225SL Rev C
g036829
1. Engine speed switch
g037935
The engine speed switch is used as an input for the TEC to signal the engine
ECU via the CAN-bus to increase or decrease the engine speed. When the
switch is pressed and held in the forward position, the engine speed will
increase. Conversely, when the rear of the switch is pressed, the engine speed
will decrease.
1. Park the machine on a level surface, lower the cutting deck, set the parking
brake, and shut off the engine.
2. Before you disconnect the engine speed switch for testing, ensure that you
test the switch and its circuit wiring as TEC input with the InfoCenter display;
refer to Using the InfoCenter Display for Troubleshooting (page
3. If the InfoCenter verifies that the engine speed switch and circuit wiring are
functioning correctly, no further switch testing is necessary.
4. If the InfoCenter determines that the engine speed switch and circuit wiring
are not functioning correctly, proceed with the test.
5. Remove the control panel to get access to the engine speed switch; refer to
Disassembling the Control Console (page
6. Ensure that the key switch is in the O
electrical connector from the engine speed switch.
7. The engine speed switch terminals are identified in
circuitry of the switch is shown in the
the use of a multimeter (ohms setting), test the switch functions to determine
Figure 211
2. Control panel
Figure 212
6–54).
position. Disconnect the wire harness
FF
Circuit Logic Table (page
Page 5–67 Electrical System: Testing the Electrical Components
5–30).
Figure 212 and the
5–68). With