TM 10-3930-675-20-1
0013 00-4
ECU-TO-ECU COMMUNICATIONS TROUBLESHOOTING - CONTINUED
0013 00
Table 3. Error Code 107 - Cable Failure Between Tophandler ECU (791) and Display ECU (795)
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 107 - Cable Failure Between
Tophandler ECU (791) and Display ECU (795) -
Continued
10.Disconnect connector 1 from
tophandler ECU (791) and
check for continuity between
ECU connector pins 2 and 3
and junction box X180 pins 4
and 5.
a. If continuity is present,
reconnect
ECU
(790)
connectors to driver’s control
panel.
b. If continuity is not present,
notify SRA.
Table 4. Error Code 108 - Cable Failure Between Tophandler ECU (791) and Servo ECU (790)
Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 108 - Cable Failure Between
Tophandler ECU (791) and Servo ECU (790)
1. Remove servo ECU (790)
cover from operator’s seat
base and slide ECU mounting
tray out (WP 0079 00).
2. Check connector X161 for
loose or missing connections.
Connect any loose or missing
connections.
Push
ECU
mounting tray in and install
cover.
3. Check that electrical wiring
and connectors X180 and
X185 along right side of
boom are secure.
Connect any loose or missing
connections.
4. Remove
cover
from
tophandler junction box and
ensure that tophandler ECU
(791)
connector
1
and
junction box internal wires
and connectors are secure
(WP 0076 00).
Connect any loose or missing
connections. Install tophandler
junction box cover (WP 0076
00).
