IQ DISPLAY MODULE (IQDM) SERIES 2 AND IQDM-P DIAGNOSTICS
Test Procedures
Page 12-22
2008-2011 IQ Plus Electric Vehicle Maintenance and Service Supplement
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set fails to function,
See IQDM and IQDM-P Handset Troubleshooting on page 12-19.
Test Procedure 3B – IQDM Jack (Speed Controller)
See General Warning, Section 10, Page 10-1.
1. Check the IQDM jack on the speed controller.
1.1. Remove the three bolts securing the speed controller access panel and remove the access panel.
1.2. Disconnect the square four-pin connector (1) from the speed controller.
1.3. Connect the handset cord to the handset.
1.4. Connect the other end of the handset cord (without the adapter) to the four-pin connector of the
speed controller.
1.5. Connect the batteries.
See Disconnecting The Batteries on page 10-3.
If the handset does not function during Test Procedure 3A, but does function when connected directly to the
speed controller, the handset cord adapter and vehicle wire harness should be thoroughly tested.
See Test
Procedure 2 – Handset Cord Adaptor on page 12-20.
The IQDM jacks and connections should also be
thoroughly checked.
See Section 11 – Electrical System and Testing.
Figure 12-7 Testing IQDM Jack
Figure 12-8 Disconnect Four-pin Connector.
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