Diode Assemblies - Toro Groundsmaster 360 Service Manual

Diode Assemblies

Electrical System: Testing the Electrical Components
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1. End of the diode body
2. Diode assembly
g186681
1. Engine ECU
The electrical system of the Groundsmaster 360 machine includes 3 diodes. The
maximum current allowed through any of the diodes is 6 A. The diode assemblies
can be identified by a black color, diode symbol, and Toro Part Number on the
end of the diode assembly body
engine wire harness near the Yanmar engine ECU
Engine Wire Harness Drawing in
A diode assembly is used for circuit protection from the voltage spikes that occur
when the engine starter solenoid is de-energized.
A diode assembly is used to protect the engine ECU from reverse polarity in
the EGR relay circuit.
A diode assembly is used to protect the engine ECU from reverse polarity in the
alternator circuit.
Figure 240
3. Male terminal
4. Female terminal
Figure 241
2. Diode (3 each)
(Figure 240). All the 3 diodes plug into the
Appendix A (page
Page 5–98
(Figure 241); refer to the
A–1)—Foldout Drawings.
Groundsmaster 360
16225SL Rev C