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ELECTRICAL SYSTEM AND TESTING
Troubleshooting
2008-2011 IQ Plus Electric Vehicle Maintenance and Service Supplement
Page 11-33
11
Test Procedure 10E – Pins 10 and 11, Continued:
8. Place the Forward/Reverse switch in the FORWARD position. The multimeter should indicate full battery
voltage (approximately 48 volts).
9. Insert the red (+) probe of the multimeter into pin 11 (blue wire) of the 24-pin connector. Leave the black
(–) probe (alligator clip) connected to the B– terminal of the speed controller.
See previous CAUTION.
10. Place the Forward/Reverse switch in the NEUTRAL position. The multimeter should indicate zero volts
DC at this time.
11. While monitoring the multimeter, place the Forward/Reverse switch in the FORWARD position. The mul-
timeter should still indicate zero volts.
12. Place the Forward/Reverse switch in the REVERSE position. The multimeter should indicate full battery
voltage (approximately 48 volts).
13. If any other reading is obtained, check the following items:
•
Continuity of the wires in the wire harness
•
Forward/Reverse switch for proper operation.
See Test Procedure 16 – Forward/Reverse Rocker
•
Tow/Run switch for proper operation.
See Test Procedure 6 – Tow/Run Switch on page 11-21.
Test Procedure 10F – Pin 1
See General Warning, Section 10, Page 10-1.
Pin 1 in the 24-pin connector provides a connection point for the key switch to the speed controller. The key
switch provides a +48 volt signal to the speed controller through pin 1 (tan wire) when the key switch is in the
ON position.
1. Disconnect the batteries and discharge the controller.
See Disconnecting The Batteries on page 10-3.
Figure 11-22 Test: Pin 10 (Black Wires)
Detail:
Front of 24-Pin Connector