11
CDT Troubleshooting
CONTROLLER DIAGNOSTIC TOOL (CDT)
CDT 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 CDT into the Vehicle on
Vehicle batteries – loose terminals or corrosion
Section 14 — Electric Vehicle - Batteries
Vehicle batteries – improperly wired
Section 14 — Electric Vehicle - Batteries
Vehicle batteries – batteries failed
Section 14 — Electric Vehicle - Batteries
Vehicle batteries – batteries not fully charged
Section 14 — Electric Vehicle - Batteries
Handset cord has failed
Test Procedure 1 – Handset Cord on page
Handset cord adaptor has failed
Test Procedure 2 – Handset Cord Adaptor on
CDT port (mounted under instrument panel
assembly) has failed
Test Procedure 3 – CDT Ports on page 11-28
Contrast Setting is too light
See Backlight under
HHP Settings
menu
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 – CDT Ports on page 11-28
Speed controller malfunction
Section 12 — Electric Vehicle - Excel System
Handset display screen is blank
Handset has failed
Replace handset
Speed controller malfunction
Section 12 — Electric Vehicle - Excel System
Handset malfunction
Disconnect the CDT cord from the vehicle.
Wait a few seconds and reconnect the handset
to the vehicle
Loose connection at CDT port
Test Procedure 3 – CDT Ports on page 11-28
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 – CDT Ports on page 11-28
TABLE CONTINUED ON NEXT PAGE
Page 11-26
2019 Precedent Villager 2 Maintenance and Service Manual
Summary of Contents for Precedent Villager 2
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