Club Car 2009-20011 Electric Precedent Maintenance And Service Manual page 173

IQ SYSTEM TROUBLESHOOTING – MCOR
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 19 – Onboard Computer Gray Wire on
page 12-33.
– Tow/Run switch for proper operation. See Test Procedure 6 – Tow/Run Switch on page 12-19.
– Key switch and MCOR limit switch for proper operation. See Test Procedure 8 – Key Switch and MCOR
Limit Switch Circuit on page 12-21.
TEST PROCEDURE 13 – Pin 7
See General Warnings on page 1-1.
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 – Electric Vehicles
on page 1-3.
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 rails just forward of each spring mount. See WARNING "Lift only one end..." in
General Warnings on page 1-1.
3. Disconnect the 16-pin connector at the speed controller.
4. Place a jumper wire with an alligator clip between the B– terminal of the speed controller (use alligator clip for this
connection) and pin 7 (orange/white wire) of the 16-pin connector (Figure 12-17, Page 12-28). See following
CAUTION.
CAUTION
• Do not fully insert probes into the 16-pin plug. Doing so can result in a poor connection.
5. Place the Tow/Run switch in the TOW position and connect the batteries. See Connecting the Batteries –
Electric Vehicles on page 1-3.
6. Place the Tow/Run switch in the RUN position.
7. The reverse buzzer should sound when the Tow/Run switch is in the RUN position.
8. If any other activity is observed, check the following items:
– Continuity of the wires in the wire harness
– Reverse buzzer for proper operation. See Test Procedure 24 – Reverse Buzzer on page 12-36.
– Tow/Run switch for proper operation. See Tow/Run Switch on page 12-19.
2009-2011 Electric Precedent Maintenance and Service Manual
12
Test Procedures
Page 12-27