Service And Repairs; Chapter 5: Electrical System - Toro Pro Force 44552TE Service Manual

Table of Contents
General Information .............................................................................................................................. 5-2
Operator's Manual ............................................................................................................................. 5-2
Kohler Engine Electrical Components................................................................................................ 5-2
Toro Electronic Controller (TEC) ........................................................................................................ 5-2
Toro Wireless Modules (TWMs) ......................................................................................................... 5-3
CAN-bus Communications................................................................................................................. 5-4
Electrical Schematics and Wire Harness Drawings/Diagrams............................................................ 5-5
Electrical System Quick Checks ............................................................................................................ 5-6
Testing the Battery (Open Circuit Test)............................................................................................... 5-6
Testing the Charging System ............................................................................................................. 5-6
Testing the Electrical Components ........................................................................................................ 5-8
Fuses ................................................................................................................................................. 5-9
Can bus............................................................................................................................................ 5-11
Toro Electronic Controller (TEC) (Models 44552, 44552TE, and 44553) .......................................... 5-12
Toro Wireless Module (TWM) RF2CAN (Models 44552, 44552TE, and 44553)................................ 5-15
Toro Wireless Module (TWM) Handheld Remote (Models 44552, 44552TE, and
44553).............................................................................................................................................. 5-16
Key Switch (for Models 44552, 44552TE, and 44553)...................................................................... 5-17
Key Switch (for Model 44554) .......................................................................................................... 5-19
Hour Meter ....................................................................................................................................... 5-20
Nozzle Direction Switch (for Model 44554)....................................................................................... 5-21
Engine Speed Control (for Model 44554) ......................................................................................... 5-22
Relays .............................................................................................................................................. 5-24
CAN bus Terminator Resistors ......................................................................................................... 5-27
Diagnostic Lamp (for Models 44552, 44552TE, and 44553)............................................................. 5-29
Nozzle Motor.................................................................................................................................... 5-30

Service and Repairs ........................................................................................................................... 5-31

Nozzle Motor.................................................................................................................................... 5-32
Caring for the Battery ....................................................................................................................... 5-35
Storing the Battery ........................................................................................................................... 5-36
Servicing the Battery ........................................................................................................................ 5-37
Pro Force® Debris Blower
18237SL Rev A
Electrical System
Page 5-1
Chapter 5
Electrical System