Chapter 5: Electrical System - Toro Groundsmaster 360 Service Manual

Table of Contents
General Information .............................................................................................................................. 5-3
Electrical Schematics and Diagrams.................................................................................................. 5-3
Toro Electronic Controller (TEC) ........................................................................................................ 5-3
Yanmar Engine Electronic Control Unit (ECU) ................................................................................... 5-4
Yanmar Engine Electrical Components.............................................................................................. 5-4
CAN-bus Communications................................................................................................................. 5-4
Special Tools ......................................................................................................................................... 5-6
Multimeter .......................................................................................................................................... 5-6
Terminal Protector.............................................................................................................................. 5-6
Battery Hydrometer............................................................................................................................ 5-7
Dielectric Gel...................................................................................................................................... 5-7
InfoCenter Display ................................................................................................................................. 5-8
Splash Screen.................................................................................................................................. 5-10
Main Information Screen .................................................................................................................. 5-12
Operator Advisory Screen................................................................................................................ 5-14
Main Menu Screen ........................................................................................................................... 5-15
Faults Screen................................................................................................................................... 5-17
Service Screen................................................................................................................................. 5-19
Diagnostics Screen .......................................................................................................................... 5-21
Settings Screen................................................................................................................................ 5-24
About Screen ................................................................................................................................... 5-27
Troubleshooting................................................................................................................................... 5-28
Operator Advisories ......................................................................................................................... 5-28
Using the InfoCenter Display for Troubleshooting ............................................................................ 5-30
Fault Codes...................................................................................................................................... 5-34
TEC Logic Chart .............................................................................................................................. 5-35
Starting Problems ............................................................................................................................ 5-36
General Run and Transport Problems.............................................................................................. 5-38
Cutting Deck Operating Problems.................................................................................................... 5-39
4-Wheel Steer Operating Problems ................................................................................................. 5-40
Electrical System Quick Checks .......................................................................................................... 5-41
Testing the Battery (Open Circuit Test) ............................................................................................. 5-41
Testing the Charging System ........................................................................................................... 5-41
Testing the Glow Plug System.......................................................................................................... 5-42
Checking the Operation of the Interlock Switches ............................................................................ 5-42
Adjustments......................................................................................................................................... 5-43
Traction Neutral Sensor .................................................................................................................. 5-43
Parking Brake Sensor ...................................................................................................................... 5-45
Steering Home Sensor..................................................................................................................... 5-46
Testing the Electrical Components....................................................................................................... 5-49
Fusible Link Harness........................................................................................................................ 5-49
Fuses ............................................................................................................................................... 5-51
Operator Cab Fuses (Machines with Operator Cab) ........................................................................ 5-54
Toro Electronic Controller (TEC) ...................................................................................................... 5-56
Key Switch ....................................................................................................................................... 5-59
PTO Switch ...................................................................................................................................... 5-61
Deck Lift Switch ............................................................................................................................... 5-63
Steering Selector Switch .................................................................................................................. 5-65
Groundsmaster 360
16225SL Rev C
Electrical System
Page 5-1
Chapter 5
Electrical System