IQ DISPLAY MODULE (IQDM) SERIES 2 AND IQDM-P DIAGNOSTICS
Test Procedures
2008-2011 IQ Plus Electric Vehicle Maintenance and Service Supplement
Page 12-21
12
The procedure for testing the handset cord adaptor is similar to the cord test.
1. Using a multimeter set for 200 ohms, place the red (+) probe into one of the terminals on the end of the
adapter with the square plug.
2. Place the black (–) probe on each of the pins, one at a time, on the other plug of the adaptor.
3. The multimeter should indicate continuity on only one pin. If any other reading is obtained, the adaptor
must be replaced.
4. Repeat the procedure three more times, each time with the red (+) probe inserted into a different terminal
on the end of the adaptor with the square plug.
TEST PROCEDURE 3 – IQDM JACKS
See General Warning, Section 10, Page 10-1.
NOTE:
The locations of the IQDM Jacks and speed controller vary based on model, year model, and
options. If the IQDM Jack is located under the instrument panel,
Jack (Located Under the Instrument Panel) on page 12-21.
To test directly at the speed control-
ler,
see Test Procedure 3B – IQDM Jack (Speed Controller) on page 12-22.
Test Procedure 3A – IQDM Jack (Located Under the Instrument Panel)
See General Warning, Section 10, Page 10-1.
1. Turn the key switch to the OFF position, place the Forward/Reverse switch in the NEUTRAL position,
and lock the park brake.
2. Place the Tow/Run switch in the TOW position, disconnect the batteries, negative (–) cable first, and wait
90 seconds for the speed controller capacitors to discharge.
See General Warning, Section 10,
3. Check the IQDM jack mounted under the instrument panel.
3.1. Remove the center dash panel
.
3.1.1. Remove the plastic cap (1) covering the mounting screw (2) on each side of the center
dash panel (3)
.
3.1.2. Loosen, but do not remove, the screw (2) on each side of the center dash panel (3).
3.1.3. Insert screwdriver at the top center of the dash between dash and cowl brace. Gently pry
center dash out slightly from under edge of cowl brace.
3.1.4. Pull center dash out from the frame carefully and expose the wiring of the electrical com-
ponents 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.
3.2. Disconnect the IQDM jack four-pin connectors (4 and 5) and visually inspect the contacts for dam-
age and corrosion. Inspect the IQDM jack mounted to the bottom of the dash panel. Repair and
replace parts as necessary.
3.3. If no problem is found, connect the multi-pin connectors and install the center dash panel.
3.4. Install the three self-tapping screws that hold the F&R rocker switch case (2) to the body. Tighten
to 20 in-lb (2.2 N·m).
3.5. Align the keyed portion of the plug with the IQDM jack and connect the plug to the jack. If the hand-
