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ELECTRICAL SYSTEM AND TESTING Troubleshooting
2008-2011 IQ System Electric Vehicle Maintenance and Service Supplement Page 11-29
11
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.
12. The multimeter should indicate zero volts when the accelerator pedal is not pressed.
13. If any other reading is obtained, check the following items:
• Continuity of the wires in the wire harness
• Onboard computer for proper operation. See Test Procedure 11 – Onboard Computer Gray Wire
and Fuse on page 11-35.
• Tow/Run switch for proper operation. See Test Procedure 6 – Tow/Run Switch on page 11-21.
• Key switch and MCOR limit switch for proper operation. See Test Procedure 8 – Key Switch and
MCOR Limit Switch Circuit on page 11-23.
• Ensure that the pedal group is adjusted correctly. See Section 5 – Accelerator and Brake Pedal
Group in the appropriate maintenance and service manual.
Test Procedure 9D – Pin 7
See General Warning, Section 10, Page 10-1.
Pin 7 in the 16-pin connector provides a connection point for the reverse buzzer to the speed controller.
1. Disconnect the batteries and discharge the controller. See Disconnecting The Batteries on page 10-3.
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, Section 10, Page 10-2.
3. Disconnect the 16-pin connector at the speed controller.
Figure 11-16 Pin 6 Test
2m
20
m
200
m
2k
200
200
200
200
20
2
200
m
500
20k
200k
2000
k
1000
OFF
WAVETEK 5XL
V
V
V
A
!
!
COM 200nA
MAX
1000 ---
750V
FUSED
SPEED CONTROLLER
200 DCV SETTING
(READING WITH
OBC POWERED-UP
AND ACCELERATOR PEDAL
DEPRESSED)