TM 10-3930-675-24-1
OVERLOAD PROTECTION TROUBLESHOOTING - CONTINUED
0011 00
Table 4. Error Code 133 - Left Lift Cylinder Pressure Sensor or
Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 133 - Left Lift Cylinder Pressure 4. Make sure the boom is slightly a. If voltage (3 to 6V) is found,
Sensor or Circuit Failure - Continued.
raised. Check voltage (3 to 6V)
continue with step 5.
at X159 between pins 6 and 4 b. If voltage (3 to 6V) is found,
with the ignition ON (WP 0048
disconnect
ECU
(790)
00-9).
connector 1 and check pin 17
and connector for damage and
check continuity of wire
A1596 (WP 0048 00-9).
c. Repair or replace damaged
wires or connectors (WP 0113
00).
d. Replace damaged ECU (790)
(WP 0080 00).
5. Disconnect sensor harness a. If no voltage (24V) is found,
768-2 and check voltage (24V)
continue with step 6.
between 1 and 3 with the b. If voltage (24V) is found,
ignition ON (WP 0048 00-9).
check sensor pins and harness
for damage, seal and tight fit.
c. Replace damaged sensor and
harness (WP 0102 00).
6. Remove the engine cover to a. If no voltage (24V) is found at
gain access to X167. Check
X167 between pins 16 and 17,
voltage (24V) at X167
check continuity of wires RD,
between pins 16 and 17 and
BU, and GN (WP 0048 00-9).
check voltage (3 to 6V) b. If no voltage (3 to 6V) is found
between pins 17 and 19 with
at X167 between pins 17 and
the ignition ON (WP 0048 00-
19, check continuity of 768-2
9).
sensor harness (WP 0048 00-
9).
c. Replace damaged sensor and
harness (WP 0102 00).
d. Repair or replace damaged
wires or connectors (WP 0113
00).
e. Replace damaged or open
harness (WP 0113 00).
0011 00-6
