11
IQDM and IQDM-P Handset Troubleshooting
IQ DISPLAY MODULE (IQDM) AND IQDM-P
DIAGNOSTICS: EXCEL SYSTEM WITH
POWERDRIVE CHARGER
IQDM AND IQDM-P HANDSET TROUBLESHOOTING
In the event that the handset does not function as described in this manual, the following troubleshooting guide should
be studied and the referenced test procedures should be performed to troubleshoot the handset.
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
Handset cord and/or adaptor is disconnected
See Plugging the Handset into the Vehicle
Vehicle batteries – loose terminals or corrosion
See Section 15 – Batteries: Electric Vehicle
Vehicle batteries – improperly wired
See Section 15 – Batteries: Electric Vehicle
Vehicle batteries – batteries failed
See Section 15 – Batteries: Electric Vehicle
Vehicle batteries – batteries not fully charged
See Section 15 – Batteries: Electric Vehicle
Handset cord has failed
Test Procedure 1 – Handset Cord on page
Handset cord adaptor has failed
Test Procedure 2 – Handset Cord Adaptor on
IQDM port (mounted under instrument panel
assembly) has failed
Test Procedure 3 – IQDM Ports on page 11-22
Contrast Setting is too light
Onboard computer is in power-down mode
Drive the vehicle for a short distance and
reconnect the handset to the vehicle
Onboard computer malfunction
Troubleshooting: with PowerDrive Charger.
Loose vehicle wire harness connections
Test Procedure 3 – IQDM Ports on page 11-22
Speed controller malfunction
Troubleshooting: with PowerDrive Charger.
Handset display screen is blank
Handset has failed
Replace handset
Speed controller malfunction
Troubleshooting: with PowerDrive Charger.
Handset malfunction
Disconnect the IQDM cord from the vehicle.
Wait a few seconds and reconnect the handset
to the vehicle
Loose connection at IQDM port
Test Procedure 3 – IQDM Ports on page 11-22
Intermittent handset cord failure
Test Procedure 1 – Handset Cord on page
Intermittent handset cord adaptor failure
Test Procedure 2 – Handset Cord Adaptor on
Display screen shows jumbled or
undecipherable characters
Loose vehicle wire harness connections
Test Procedure 3 – IQDM Ports on page 11-22
TABLE CONTINUED ON NEXT PAGE
Page 11-20
2014 Precedent
®
Golf Car Maintenance and Service Manual
Summary of Contents for Precedent 2014
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