TM 10-3930-675-20-1
0040 00-9
BOOM LIFTING/LOWERING TROUBLESHOOTING - CONTINUED
0040 00
Table 5. Error Code 154 - Lift Cylinder Boom Up Valve, Wiring Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 154 - Lift Cylinder Boom Up Valve,
Wiring Circuit Failure - Continued
6. Disconnect
electrical
connector from boom up
solenoid 6005 and perform
voltage check.
a. Confirm
20-25V
are
present at connector 6005.
If 20-25V are present at
connector 6005, replace boom
up solenoid (WP 0169 00).
b. If voltage is not present,
check continuity between
connector X158 pin 1 and
solenoid 6005 connector
pin
1
and
between
connector X158 pin 2 and
solenoid 6005 connector
pin 2.
a. If continuity is not present,
repair or replace connectors
(WP 0111 00).
b. If wiring harness must be
replaced, notify SRA.
7. Enter DIAG SERVO 9 (13)
menu and check current of
OUTPUT
LIFT.
Current
should
be
present
with
joystick activated to raise
boom.
If voltage is not as specified,
replace ECU (790) (WP 0079
00).