ELECTRICAL SYSTEM AND TESTING
Troubleshooting
2008-2011 IQ System Electric Vehicle Maintenance and Service Supplement
Page 11-39
11
dash out slightly from under edge of cowl brace.
2.4. Pull center dash out from the frame and disconnect the wires from the electrical components
mounted on the dash panel. Do not allow wires to touch.
See following NOTE.
NOTE:
Take care to prevent key switch terminals and wires from touching the metal frame around the
dash.
2.5. Slide the dash panel up the steering column by snapping the top out and then rotating the panel out
and up.
3. Disconnect the three wires from the rocker switch. Set multimeter to 200 ohms, place the black (–) probe
on the brown 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 continuity. With the
switch in FORWARD, there should be continuity. If the readings are incorrect, replace the switch.
4. Place the black (–) probe on the blue 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 read-
ings are incorrect, replace the switch.
TEST PROCEDURE 16 – REVERSE BUZZER
See General Warning, Section 10, Page 10-1.
1. Disconnect the batteries and discharge the controller.
See Disconnecting The Batteries on page 10-3.
2. Remove the center dash:
2.1. Remove the plastic cap covering the screw on each side of the center dash panel. Loosen, but do
not remove, these screws.
2.2. Insert screwdriver at the top center of the dash between dash and cowl brace. Gently pry center
dash out from under edge of cowl brace.
2.3. Pull dash out approximately one inch (2.5 cm) from the frame and then bend the top right corner
of the dash inward while pulling the top of the panel out and down.
See following NOTE.
NOTE:
Bending the top right corner of the center dash inward during removal will prevent the contacts on
the back of the key switch from touching the metal frame around the dash.
2.4. Slide the dash panel up the steering column by snapping the top out and then rotating the panel out
and up.
2.5. Disconnect the orange/white and red wires from the reverse buzzer. Make sure the wire terminals
on the key switch do not touch vehicle frame.
3. Place the Tow/Run switch in the TOW position and connect the battery cables, positive (+) cable first.
Tighten battery terminals to 110 in-lb (12.4 N·m).
4. Place the Tow/Run switch in the RUN position.
5. Set a multimeter to 200 volts DC. Place the black (–) probe on battery no. 6 negative post and place the
red (+) probe on the red wire terminal end that was disconnected from the reverse buzzer. The reading
should be approximately 48 volts (full battery voltage).
5.1. If the voltage reading is correct, proceed to step 6.
5.2. If reading is zero volts, check red wire continuity and Tow/Run switch.
Onboard Computer Solenoid Lockout Circuit on page 11-18.
See also Test Procedure 6 –
5.3. If the continuity readings are not correct, repair or replace the red wire.
5.4. If the continuity readings are correct, proceed to step 6.