Windshield Wiper/Washer Switch (Groundsmaster 5910) - Toro Groundsmaster 5900 Series Service Manual

Windshield Wiper/Washer Switch (Groundsmaster 5910)

Testing
Electrical System: Component Testing
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1. Cab headliner (center switch panel)
The windshield wiper/washer switch is located in the cab headliner
The windshield wiper/washer switch is used to control operation of the windshield
wiper and washer pump. The windshield wiper/washer switch receives power
from fuse 2F−1 (15 Amp).
For windshield wiper service information, see
9–29). The washer pump is integrated into the washer fluid reservoir and is not
serviceable separately.
1. Make sure key switch is OFF. Remove key from key switch.
2. To access the switch, remove roof panel from top of cab (see
(page 9–9)).
3. Remove the left or right defrost vent hose from the heat/AC mixing box to
access the flange nuts securing the switch panel and remove the switch
panel from cab headliner.
4. Disconnect machine wire harness connector from the switch being tested.
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5. The switch terminals are marked as shown in
the wiper/washer switch is shown in below table. With the use of a multimeter
(ohms setting), the switch functions may be tested to determine whether
continuity exists between the various terminals for each position. Verify
continuity between switch terminals.
SWITCH POSITION
OFF
WIPER ON
WASHER ON
1
2
Figure 232
2. Wiper/washer switch
Windshield Wiper Assembly (page
Figure 233
Back of Switch
CLOSED CIRCUITS
2 + 1 and 5 + 4
2 + 3
2 + 3 and 5 + 6
Page 6–92
(Figure
Roof Assembly
Figure 233. The circuit logic of
OPEN CIRCUITS
2 + 3 and 5 + 6
2 + 1 and 5 + 4 and 5 + 6
2 + 1 and 5 + 4
Groundsmaster ® 5900 & 5910
16227SL Rev B
232).