TM 10-3930-675-24-1
BOOM LIFTING/LOWERING TROUBLESHOOTING - CONTINUED
0040 00
Table 1. Error Code 126 - Joystick-to-ECU (790) Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 126 - Joystick-to-ECU (790) Failure - 2. Inspect ECU (790) connector a. Repair or replace damaged
Continued.
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).
3. Check voltage (10V) at X155 a. If no voltage (10V) is found,
between pins 12 and 13 with
check continuity of wires
the ignition ON (WP 0048 00-
A15514A, A15514B, and
6).
A15513A (WP 0048 00-6).
b. Repair or replace damaged
wires or connectors (WP 0113
00).
4. Check voltage (10V) at X155 a. If no voltage (5V) is found,
between pins 1 and 13 with the
check continuity of wires
ignition ON (WP 0048 00-6).
15512, 1551, A1551, and
Should be around 5V.
15513 (WP 0048 00-6).
b. Replace damaged or open
joystick harness (WP 0083
00).
c. Replace joystick (WP 0082
00).
Table 2. Error Code 130 - Overload Protection System Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 130 - Overload Protection System Overload protection system
Perform troubleshooting
Failure.
failure occurs due to an earlier
procedures for the original error
failure (error codes 131 to 136) on code (error codes 131 to 136).
any component related to the
overload protection system.
Hydraulic speeds are limited and
the error code will flash on the
display every 5 seconds.
0040 00-2
