ELECTRICAL SYSTEM TROUBLESHOOTING
Test Procedures
12
Pin 8
See General Warnings on page 1-2.
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 Warnings on page 1-2.
3.
Disconnect the 24-pin connector at the speed controller.
4.
Place the Run/Tow switch in the TOW position and connect the battery cables, positive (+) cable first.
Connecting the Batteries – Electric Vehicles, Section 1, Page 1-4.
5.
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.
Connect the black (–) probe to the B– terminal of the speed controller or
negative (–) post of battery no. 8
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 12-14
Test: Pin 8 (Green Wire)
6.
Place the Run/Tow switch in the RUN position and key switch in the ON position.
7.
The multimeter should indicate zero volts DC at this time.
8.
The multimeter should indicate full battery voltage (approximately 48 volts) when the accelerator pedal is pressed.
9.
While observing the multimeter, release the accelerator pedal.
10.
The multimeter should indicate zero volts when the accelerator pedal is not pressed.
11.
If any other reading is obtained, check the following items:
– Continuity of the wires in the wire harness.
2019 Transporter Maintenance and Service Manual
Page 12-33
Summary of Contents for TransPorter 4
Page 2: ......
Page 271: ...ELECTRIC MAIN HARNESS Wiring Diagrams Electric Main Harness 18 ...
Page 272: ... Page intentionally left blank ...
Page 273: ...ELECTRIC INSTRUMENT PANEL HARNESS Wiring Diagrams Electric Instrument Panel Harness 18 ...
Page 274: ... Page intentionally left blank ...
Page 275: ...ELECTRIC ACCESSORIES HARNESS Wiring Diagrams Electric Accessories Harness 18 ...
Page 276: ... Page intentionally left blank ...
Page 282: ...NOTES ...
Page 283: ...NOTES ...
Page 284: ...NOTES ...
Page 285: ......
Page 286: ......