Cruise Control Switch
The cruise control switch is used as an input for the
TEC--5002 controller to maintain ground speed. The
cruise control function is engaged (set) when the front
of the cruise control switch is depressed. The cruise
control function is disengaged when the rear of the
cruise control switch is depressed. The cruise control
switch is located on the console arm (Fig. 71).
1
2
NOTE: The cruise function is also disengaged if the
brake pedal is applied or if the traction pedal is pressed
to the reverse direction.
Testing
1.
Before disconnecting the cruise control 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 71
1.
Console arm
2.
Cruise control switch
2.
trol switch and circuit wiring are functioning correctly,no
If the Diagnostic Display verifies that the cruise con-
4
5
6
further switch testing is necessary.
3.
control switch and circuit wiring are not functioning cor-
If the Diagnostic Display determines that the cruise
rectly, test cruise control switch.
1
2
3
4.
ignition switch.
Make sure ignition switch is OFF. Remove key from
BACK OF SWITCH
Figure 72
5.
Disassemble console arm to gain access to cruise
control switch (see Console Arm Disassembly in the
Service and Repairs section of Chapter 7 -- Chassis).
SWITCH
CLOSED
OPEN
POSITION
CIRCUITS
CIRCUITS
6.
The switch terminals are marked as shown in Figure
The circuit logic of the cruise control switch is shown
NORMAL
2 + 3
5 + 6
72.
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.
CRUISE
2 + 3
5 + 6
NONE
ENGAGE
CRUISE
DISENGAGE
NONE
ALL
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).
Electrical System
Page 5 -- 40
Groundsmaster 5900/5910
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