Toro 08159SL Groundsmaster 5900 5910 Service Manual

Traction Assist Switch
The traction  assist switch is  used as an  input for the
TEC--5001 controller to energize the solenoid valve in
the traction control manifold.  When the traction assist
switch is depressed, hydraulic flow  is split equally be-
tween front and rear wheels for enhanced traction. The
traction assist switch only functions when the machine
is in low speed range and in the forward direction. The
traction assist switch is located on the console arm (Fig.
69).
1
2
Testing
1.
Before disconnecting  the traction assist  switch for
testing, the switch and its circuit wiring should be tested
as aTECcontroller inputwith  theInfo Center Diagnostic
Display (see Info Center Display in this section).
Figure 69
2.
If the Diagnostic Display verifies that the traction as-
1.
Console arm
2.
Traction assist switch
sistswitchandcircuitwiring   arefunctioning correctly,no
further switch testing is necessary.
4
1
5
2
6
3.
assist switch and circuit wiring are not functioning cor-
If the Diagnostic Display determines that the traction
rectly, test traction assist switch.
4.
Make sure ignition switch is OFF. Remove key from
ignition switch.
3
5.
Disassemble console arm to gain access to traction
assist switch (see Console Arm Disassembly in the Ser-
vice and Repairs section of Chapter 7 -- Chassis).
BACK OF SWITCH
Figure 70
6.
70.
The switch terminals are marked as shown in Figure
Thecircuit logic ofthetraction  assistswitch isshown
in the chart  to the right.  With the use of  a multimeter
(ohmssetting),theswitchfunctionsmaybetestedtode-
termine whether continuity exists between the various
terminals for  each position. Verify  continuity between
switch terminals. Replace  switch if testing identifies a
faulty switch.
SWITCH
CLOSED
OPEN
POSITION
CIRCUITS
CIRCUITS
NORMAL
2 + 3
2 + 1
5 + 4
5
+ 6
TRACTION
ASSIST
2 + 1
5 + 4
2 + 3
5 + 6
7.
Connect the harness  connector to the switch after
testing.
8.
If switch tests correctly and circuit  problem still ex-
ists, check wire harness (see Electrical Schematics and
Wire Harness Drawings in Chapter 10 -- Foldout Draw-
ings).
9.
sembly in the Service and Repairs section of Chapter 7
Assemble console arm cover (see Console Arm As-
--
Chassis).
Groundsmaster 5900/5910
Page 5 -- 39
Electrical System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 374 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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