TM 10-3930-675-24-1
TOPHANDLER TILT TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 262 - Tophandler Tilt OUT Control, Compo-
Error Code 129 - Joystick-to-ECU (790) Failure
nent Failure
Error Code 130 - Overload Protection System Failure
Error Code 264 - Tophandler Tilt IN Control, Wiring
Error Code 237 - Tophandler Tilt Locking Control, Wir-
Circuit Failure
ing Circuit Failure
Error Code 261 - Tophandler Tilt OUT Control, Wiring
Error Code 265 - Tophandler Tilt IN Control, Compo-
Circuit Failure
nent Failure
INITIAL SETUP
References
TM 10-3930-675-10
Current Supply (A34738.0200) (WP 0048 00-31)
ECS Electrical Servo (A34648.0200) (WP 0048 00-
5)
ECS Attachment (A34652.0200) (WP 0048 00-23)
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
Refer also to illustrations at end of work package for component location.
Table 1. Error Code 129 - Joystick-to-ECU (790) Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 129 - Joystick-to-ECU (790) Failure. 1. Enter diagnostic menu "DIAG a. Operate the joystick tilt IN and
SERVO 6(13)" menu and
OUT function slowly. Should
check TILT IN/OUT voltage.
have 1 to 9V over the full
Voltage should be around 5V
range of function. If the
with no joystick activations.
voltage suddenly goes out of
range, replace joystick (WP
0082 00).
b. If no voltage (5V) is found,
continue with step 2.
2. Inspect ECU (790) connector a. Repair or replace damaged
1. Check connector, harness
wires or connectors (WP 0113
and ECU (790) for damage.
00).
Check ECU tray ground wires. b. Replace damaged ECU (790)
(WP 0080 00).
