TM 10-3930-675-20-1
0041 00-5
BOOM IN/OUT TROUBLESHOOTING - CONTINUED
0041 00
Table 3. Error Code 160 - Extension Cylinder Boom IN Control, Wiring Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 160 - Extension Cylinder Boom IN
Control, Wiring Circuit Failure - Continued
4. Perform voltage check at
connector X154 pin 3.
a. If 20-25V is present, check
continuity between con-
nector X154 pin 3 and ECU
(790) connector 2 pin 9.
If continuity is not present,
repair or replace connectors (WP
0111 00).
b. If voltage is not present,
check continuity between
connector X154 pin 3 and
emergency stop switch 250
pin 2.
If continuity is not present,
repair or replace connectors (WP
0111 00).
5. Move operators cab to
transport position and remove
transmission
rear
access
cover (WP 0135 00).
6. Disconnect
electrical
connector from boom in
solenoid 6007 and perform
voltage check.
a. Confirm
20-25V
are
present at connector 6007.
If 20-25V are present at
connector 6007, replace boom in
solenoid (WP 0169 00).
b. If voltage is not present,
check continuity between
connector X158 pin 5 and
solenoid 6007 connector
pin
1
and
between
connector X158 pin 6 and
solenoid 6007 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 10
(13) menu and check current
of BOOM IN. Current should
be present with joystick
activated to move boom in.
If voltage is not as specified,
replace ECU (790) (WP 0079
00).