Toro Groundsmaster 7210 Service Manual page 197

Table of Contents
General Information .............................................................................................................................. 5-3
Standard Control Module ................................................................................................................... 5-3
Standard Control Module Logic Chart ................................................................................................ 5-5
Yanmar Engine Electronic Control Unit (ECU) ................................................................................... 5-7
Yanmar Engine Electrical Components.............................................................................................. 5-7
CAN-bus Communications................................................................................................................. 5-7
Electrical Schematics and Diagrams.................................................................................................. 5-8
Special Tools ......................................................................................................................................... 5-9
Multimeter .......................................................................................................................................... 5-9
Battery Terminal Protector.................................................................................................................. 5-9
Battery Hydrometer.......................................................................................................................... 5-10
Dielectric Gel.................................................................................................................................... 5-10
InfoCenter Display ............................................................................................................................... 5-11
Splash Screen.................................................................................................................................. 5-11
Main Information Screen .................................................................................................................. 5-12
Main Menu Screen ........................................................................................................................... 5-13
Service Screen................................................................................................................................. 5-14
Settings Screen................................................................................................................................ 5-14
About Screen ................................................................................................................................... 5-15
Troubleshooting................................................................................................................................... 5-16
Starting Problems ............................................................................................................................ 5-16
General Run and Transport Problems.............................................................................................. 5-17
Cutting Deck Operating Problems.................................................................................................... 5-18
Cutting Deck Lift/Lower Problems .................................................................................................... 5-19
Electrical System Quick Checks .......................................................................................................... 5-20
Testing the Battery (Open Circuit Test) ............................................................................................. 5-20
Testing the Charging System ........................................................................................................... 5-20
Testing the Glow Plug System.......................................................................................................... 5-21
Checking the Operation of the Interlock Switches ............................................................................ 5-21
Testing the Electrical Components....................................................................................................... 5-23
Key Switch ....................................................................................................................................... 5-23
PTO Switch ...................................................................................................................................... 5-25
Neutral Switches .............................................................................................................................. 5-27
Seat Switch ...................................................................................................................................... 5-29
Engine Oil Pressure Switch.............................................................................................................. 5-31
Parking Brake Sensor ...................................................................................................................... 5-33
PTO Solenoid Valve Coil .................................................................................................................. 5-35
Fusible Link Harness........................................................................................................................ 5-36
Diode Assemblies ............................................................................................................................ 5-37
Resistor Assembly ........................................................................................................................... 5-38
Glow Relay....................................................................................................................................... 5-39
Start and EGR Relays...................................................................................................................... 5-41
Fuel Pump........................................................................................................................................ 5-43
Dual Temperature Switch ................................................................................................................. 5-45
Fuses ............................................................................................................................................... 5-47
CAN-bus Terminator Resistor .......................................................................................................... 5-49
Deck Lift/Lower Switch..................................................................................................................... 5-50
Lift Control Manifold Solenoid Valve Coil.......................................................................................... 5-52
Groundsmaster 7210
16222SL Rev C
Electrical System
Page 5-1
Chapter 5
Electrical System