Cdm Troubleshooting Guide - Club Car 1998 Maintenance And Service Manual Supplement

11
ELECTRICAL SYSTEM AND TESTING

CDM Troubleshooting Guide

• 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
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.
OBC Does Not Communicate With CDM
Defective Dash Light
Faulty OBC
Faulty CDM unit
Dead CDM battery
Replace CDM battery Replace CDM
Replace OBC
Tow/Run switch in TOW
position
OBC program is
locked-up
OBC is in a
More than 75 EUs or
powerdown mode
Remove "+" battery lead
75% of energy removed
and discharge the from batteries
Restart OBC by driving
speed controller. After a
vehicle or by connecting
short time, replace
Recharge batteries
charger DC plug
the lead and restart
the OBC.
Figure 11-15 Flow Chart–CDM Troubleshooting Guide
Page 11-24 1998/1999 PowerDrive Plus Maintenance and Service Supplement