13
CDM Troubleshooting Guide
EXCEL SYSTEM TROUBLESHOOTING: WITH
POWERDRIVE CHARGER
• To view F2, press and hold the button on the CDM. When “Func 2” appears in the display window, release the
button. The value for F2 will then be displayed.
• To view F3, press and hold the button on the CDM until “Func 3” appears in the display window. Release the
button. The value for F3 will be displayed.
• To view F4, press and hold the button on the CDM until “Func 4” appears in the display window. Release the
button. The value for F4 will be displayed.
NOTE:
The values of all four functions can be recalled by pressing and releasing the CDM button.
CDM TROUBLESHOOTING GUIDE
Use the following chart as a starting point for troubleshooting problems with communication between the CDM and
onboard computer. Contact your Club Car representative for more comprehensive information.
CDM battery
is discharged
Replace CDM battery
Failed CDM unit
Replace CDM
Failed OBC
Replace OBC
Remove "+" battery
lead and discharge
the speed controller.
See the instructions in
the WARNING on
page 11-1.
After a short time,
replace the lead and
restart the OBC.
OBC program is
"locked-up"
Restart OBC by
driving vehicle or by
connecting charger
DC plug
OBC is in a
powerdown mode
Batteries discharged
Recharge Batteries
OBC Will Not Communicate
With The CDM
Failed Dash Light
Replace Dash Light
Failed Wiring
Check wires and connections
Figure 13-20
Flow Chart – CDM Troubleshooting Guide
Page 13-40
2014 Precedent
®
Golf Car Maintenance and Service Manual
Summary of Contents for Precedent 2014
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