ELECTRICAL SYSTEM AND TESTING
Troubleshooting
Page 11-38
2008-2011 IQ System Electric Vehicle Maintenance and Service Supplement
11
TEST PROCEDURE 15 – FORWARD/REVERSE ROCKER SWITCH
See General Warning, Section 10, Page 10-1.
Forward/Reverse Rocker Switch Test with the IQDM Handset
1. Turn the key switch to the OFF position and place the Forward/Reverse switch in the NEUTRAL position.
2. Connect the IQDM to the vehicle.
3. Test FORWARD INPUT.
3.1. Access the Test menu and select FORWARD INPUT by using the SCROLL DISPLAY buttons. The
IQDM should indicate OFF when the Forward/Reverse switch is in the NEUTRAL or REVERSE
position.
3.2. Place the Forward/Reverse switch in the FORWARD position. The IQDM should indicate that FOR-
WARD INPUT is ON. If the IQDM indicates any other reading, check vehicle wiring.
Also check the 16-pin connector at the speed controller.
cedure 9 – 16-Pin Connector on page 11-25.
4. Test REVERSE INPUT.
4.1. Access the Test menu and select REVERSE INPUT by using the SCROLL DISPLAY buttons. The
IQDM should indicate OFF when the Forward/Reverse switch is in the NEUTRAL or FORWARD
position.
4.2. Place the Forward/Reverse switch in the REVERSE position. The IQDM should indicate that
REVERSE INPUT is ON. If the IQDM indicates any other reading, check vehicle wiring.
Also check the 16-pin connector at the speed controller.
cedure 9 – 16-Pin Connector on page 11-25.
5. If the IQDM displays readings other than those described above and the wiring is found to be correct, pro-
ceed to the following procedure, Forward/Reverse Rocker Switch Test without the IQDM Handset (for
vehicles with Forward/Reverse Rocker Switch mounted on the vehicle dash panel).
Forward/Reverse Rocker Switch Test without the IQDM Handset (for vehicles with
Forward/Reverse Rocker Switch mounted on the vehicle body in front of the seat)
1. Disconnect the batteries and discharge the controller.
See Disconnecting The Batteries on page 10-3.
2. Remove the screws securing the rocker switch case to the vehicle body.
3. Disconnect the three wires from the rocker switch. Using a multimeter set to 200 ohms, place the black
(–) probe on the blue wire terminal 3 position on the rocker switch, and place the red (+) probe on the
orange wire terminal 2 position. With the switch in NEUTRAL or REVERSE, there should be no conti-
nuity. With the switch in FORWARD, there should be continuity. If the readings are incorrect, replace the
switch.
4. Place the black (–) probe on the brown wire terminal 1 position on the rocker switch and place the red
(+) probe on the orange wire terminal. With the switch in REVERSE, there should be continuity. If the
readings are incorrect, replace the switch.
Forward/Reverse Rocker Switch Test without the IQDM Handset (for vehicles with
Forward/Reverse Rocker Switch mounted on the vehicle dash panel)
1. Disconnect the batteries and discharge the controller.
See Disconnecting The Batteries on page 10-3.
2. Remove the center dash panel.
2.1. Remove the plastic cap covering the mounting screw on each side of the center dash panel.
2.2. Loosen, but do not remove, the screw on each side of the center dash panel.
2.3. Insert screwdriver at the top center of the dash between dash and cowl brace. Gently pry center