26
IQDM and IQDM-P Handset Troubleshooting
IQ DISPLAY MODULE (IQDM) AND IQDM-P
DIAGNOSTICS: EXCEL SYSTEM WITH
ERIC CHARGING
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 30 – Batteries: Electric Vehicle
Vehicle batteries – improperly wired
See Section 30 – Batteries: Electric Vehicle
Vehicle batteries – batteries failed
See Section 30 – Batteries: Electric Vehicle
Vehicle batteries – batteries not fully charged
See Section 30 – 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 26-24
Contrast Setting is too light
Controller is in power-down mode (vehicle
unused and not charged for 72 hours)
Connect charger or drive the vehicle a short
distance and reconnect the handset to the
vehicle
Charger has been connected and charging for
more than 10 minutes
Disconnect charger, wait 30 seconds and
reconnect charger
Loose vehicle wire harness connections
Test Procedure 3 – IQDM Ports on page 26-24
Speed controller malfunction
Troubleshooting: with ERIC Charging.
Handset display screen is blank
Handset has failed
Replace handset
Speed controller malfunction
Troubleshooting: with ERIC Charging.
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 26-24
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 26-24
TABLE CONTINUED ON NEXT PAGE
Page 26-22
2014 Precedent
®
Golf Car Maintenance and Service Manual
Summary of Contents for Precedent 2014
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