TM 10-3930-675-20-1
0013 00-6
ECU-TO-ECU COMMUNICATIONS TROUBLESHOOTING - CONTINUED
0013 00
Table 5. Error Code 109 - Cable Failure Between Servo ECU (790) and Display ECU (795)
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 109 - Cable Failure Between Servo
ECU (790) and Display ECU (795) - Continued
2. Check connector X152 for
loose or missing connections.
Connect any loose or missing
connections.
Push
ECU
mounting tray in and install
cover.
3. Access display ECU (795)
inside driver’s control panel
(WP 0080 00).
4. Disconnect
display
ECU
(795) connector and check for
continuity
between
ECU
connector pins 12 and 13 and
connector X152 pins 5 and 4.
a. If continuity is present,
reconnect display ECU (795)
connector to driver’s control
panel.
b. If continuity is not present,
repair or replace connectors
(WP 0111 00). Connect
display ECU (795) connector
to driver’s control panel.
5. Disconnect connector 1 from
servo ECU (790) and check
for continuity between ECU
connector pins 4 and 5 and
connector X152 pins 4 and 5.
a. If continuity is present,
reconnect
ECU
(790)
connector to driver’s control
panel.
b. If continuity is not present,
notify SRA.
Table 6. Error Code 110 - Communication Failure Between Display ECU (795) and Steering ECU (792)
Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 110 - Communication Failure
Between Display ECU (795) and Steering ECU
(792)
Notify SRA.
