Toro Groundsmaster 7210 Service Manual page 230

Testing the Parking Brake Sensor (continued)
Electrical System: Testing the Electrical Components
7. Turn the key switch to the R
the LED on the cable end of the parking brake sensor. The LED should be
illuminated when the parking brake is not set (the brake latch is not engaged).
8. With the key switch is still in the R
the parking brake (the brake latch engaged) and check the LED on the cable
end of the parking brake sensor. The LED should not be illuminated when
the parking brake is set (the brake latch engaged).
9. If the brake sensor LED did not function correctly, do the following:
A. Ensure that the parking brake sensor is properly adjusted; refer to
Parking Brake Sensor (page
return to step 7.
B. Ensure that the key switch is in the O
parking brake sensor connector from the machine wire harness.
C. Use a multimeter, check that the machine wire harness connector
terminal for the black wire is closed (continuity) to the ground.
D. Turn the key switch to the R
check with a multimeter that the machine wire harness connector terminal
for pink wire has system voltage (12 VDC) present.
E. If the black wire is closed to the ground, the pink wire has system voltage
present, and the sensor LED did not function, replace the parking brake
sensor. Adjust the sensor after installation; refer to
(page 5–54).
10. After you complete the brake sensor testing, ensure that the sensor
connector is plugged into the machine wire harness.
position (do not start the engine) and check
UN
position (do not start the engine), set
UN
5–54). If necessary, adjust the sensor and
FF
position (do not start the engine) and
UN
Page 5–34
position and disconnect the
Parking Brake Sensor
Groundsmaster 7210
16222SL Rev C