TM 10-3930-675-20-1
0013 00-5
ECU-TO-ECU COMMUNICATIONS TROUBLESHOOTING - CONTINUED
0013 00
Table 4. Error Code 108 - Cable Failure Between Tophandler ECU (791) and Servo ECU (790)
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 108 - Cable Failure Between
Tophandler ECU (791) and Servo ECU (790) -
Continued
5. Check for continuity between
connector X161 pins 1 and 2
and junction box X185 pins 1
and 2.
If continuity is not present,
repair or replace connectors (WP
0111 00).
6. Check for continuity between
connector X185 pins 1 and 2
and connector X180 pins 1
and 2.
If continuity is not present,
repair or replace connectors (WP
0111 00).
7. Disconnect connector 1 from
tophandler ECU (791) and
check for continuity between
ECU connector pins 4 and 5
and connector X180 pins 1
and 2.
a. If continuity is present,
reconnect
ECU
(791)
connector to drivers control
panel.
b. If continuity is not present,
notify SRA.
8. Disconnect connector 1 from
servo ECU (790) and check
for continuity between ECU
connector pins 2 and 3 and
connector X161 pins 1 and 2.
a. If continuity is present,
reconnect
ECU
(790)
connector to drivers control
panel.
b. If continuity is not present,
notify SRA.
Table 5. Error Code 109 - Cable Failure Between Servo ECU (790) and Display ECU (795)
Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 109 - Cable Failure Between Servo
ECU (790) and Display ECU (795)
1. Remove servo ECU (790)
cover from operators seat
base and slide ECU mounting
tray out (WP 0079 00).