ELECTRICAL SYSTEM AND TESTING: ELECTRIC
VEHICLES
Test Procedures
22
TEST PROCEDURE 13 – Pin 8
See General Warning on page 1-1.
Pin 8 in the 24-pin connector provides a connection point for the MCOR limit switch to the speed controller.
1.
Disconnect the batteries and discharge the controller.
See Disconnecting the Batteries – Electric Vehicles,
2.
Place chocks at the front wheels and lift the rear of the vehicle with a chain hoist or floor jack. Position jack stands
under the frame crossmember between the spring mount and side stringer, just forward of each rear wheel.
See
WARNING “Lift only one end...” in General Warning on page 1-1.
3.
Disconnect the 24-pin connector at the speed controller.
4.
Set a multimeter to 200 volts DC, insert the red (+) probe of the multimeter into pin 8 (green wire) of the 24-pin
connector.
See following CAUTION.
Using an alligator clip, connect the black (–) probe to the B– terminal
of the speed controller
CAUTION
• Do not fully insert probes into the 24-pin plug. Doing so can result in a poor connection.
A
Detail A: Front of 24-Pin Connector
Figure 22-14
Test: Pin 8 (Green Wire)
5.
Place the Tow/Run switch in the TOW position and connect the battery cables, positive (+) cable first.
Connecting the Batteries – Electric Vehicles, Section 1, Page 1-4.
6.
Place the Tow/Run switch in the RUN position, key switch in the ON position, and Forward/Reverse switch
in the FORWARD or NEUTRAL position.
7.
The multimeter should indicate zero volts DC at this time.
8.
While monitoring the multimeter, slowly press the accelerator pedal and hold the pedal at approximately 20%
of full travel.
9.
After a short delay, the onboard computer should power-up (come out of sleep mode).
10. The multimeter should indicate full battery voltage (approximately 48 volts) when the accelerator pedal is pressed.
11. While observing the multimeter, release the accelerator pedal.
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual
Page 22-23
Содержание CARRYALL 252 2007
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