TM 10-3930-675-20-1
0011 00-1
TOPHANDLER ELECTRONIC CONTROL UNIT (ECU) (791) TROUBLESHOOTING
0011 00
THIS WORK PACKAGE COVERS
Error Code 205 - Memory Failure
Error Code 220 - Internal Communication Failure, Con-
nector 2
Error Code 221 - Internal Communication Failure, Con-
nector 2
Error Code 250 - Internal Communication Failure, Con-
nector 3
Error Code 251 - Internal Communication Failure, Con-
nector 3
INITIAL SETUP
References
TM 10-3930-675-10
Current Supply (A34738.0200) (WP 0199 00-31)
ECS Attachment (A34652.0200) (WP 0199 00-23)
NOTE
•
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations
that locate critical components.
•
Refer also to illustration at end of work package for component location.
Table 1. Error Code 205 - Memory Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 205 - Memory Failure
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace ECU 791 if error code
is still present (WP 0076 00).
Table 2. Error Code 220 - Internal Communication Failure, Connector 2 Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 220 - Internal Communication
Failure, Connector 2
Place ignition switch in OFF
position for 30 seconds and then
back in ON position.
Replace ECU 791 if error code
is still present (WP 0076 00).
