Service Manual

Groundsmaster 4300--D Page 5 -- 1 Electrical System
Chapter 5
Electrical System
Table of Contents
GENERAL INFORMATION 3.....................
Operator’s Manual 3..........................
Toro Electronic Controller (TEC) 3...............
CAN--bus Communications 3...................
Electrical Drawings 3..........................
SPECIAL TOOLS 4.............................
TROUBLESHOOTING 6.........................
Diagnostic Light 6.............................
Retrieving Fault Codes 7....................
Clearing Fault Codes 8......................
Diagnostic Display 8..........................
Verify Diagnostic D isplay Input Functions 8.....
Verify Diagnostic D isplay Output Functions 10..
TEC Controller Logic Chart 11..................
Starting Problems 12..........................
General Run and Transport Problems 14.........
Cutting Deck Operating Problems 15............
ELECTRICAL SYSTEM QUICK CHECKS 17.......
Battery Test (Open Circuit Test) 17..............
Charging System Test 17......................
Glow Plug System Test 17.....................
Check Operation of Interlock Switches 18........
ADJUSTMENTS 19.............................
Traction Neutral Switch 19.....................
Parking Brake Switch 20.......................
Mow/Transport Switch 21......................
COMPONENT TESTING 22......................
Ignition Switch 22.............................
Indicator Lights 23............................
Hour Meter 24................................
Temperature Gauge 24........................
PTO Switch 25...............................
Headlight Switch 26...........................
Seat Switch 27...............................
Joystick Raise and Lower Switches 28...........
Traction Neutral Switch 29.....................
Parking Brake Switch 30.......................
Mow/Transport Switch 31......................
Start Relay 32................................
Main Power and Glow Relays 33................
Toro Electronic Controller (TEC) 34..............
Fuses 35....................................
Diode Assembly 36...........................
Fusible Link Harness 37.......................
Hydraulic Solenoid Valve Coil 38................
Temperature Sender 39........................
High Temperature Shutdown Switch 40..........
Oil Pressure Switch 41.........................
Fuel Stop Solenoid 42.........................
Fuel Pump 43................................
SERVICE AND REPAIRS 44
.....................
Battery
Storage 44............................
Battery Care 44...............................
Battery Service 45............................
Battery Removal and Installation 45...........
Battery Inspection and Maintenance 45........
Battery Testing 46...........................
Battery Charging 47.........................
Hydraulic Solenoid Valve Coil 48................
Electrical
System