TM 10-3930-675-20-1
0010 00-3
OVERLOAD PROTECTION TROUBLESHOOTING - CONTINUED
0010 00
Table 2. Error Code 131 - Boom Extension Sensor or Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 131 - Boom Extension Sensor or
Circuit Failure - Continued
b. If voltage was present, enter
the “DIAG SERVO 1 (13)”
menu and check voltage of
10V REF OUT. Voltage
should be 10V.
a. If voltage is not as specified,
replace ECU (790) (WP 0079
00).
b. If voltage is as specified,
notify SRA.
Table 3. Error Code 132 - Boom Angle Sensor or Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 132 - Boom Angle Sensor or Circuit
Failure
1. Inspect boom angle sensor
and boom angle sensor lever
and bracket for damage and
secure mounting.
2. Remove cover from junction
box X169, located on right
side of boom and check
voltage between pin 2 and pin
3. Voltage should be 10V.
If voltage is present, check
voltage between junction box
X169 pin 4 and pin 3. Voltage
should
be
0.3-9.5V
depending on position of
boom.
If voltage is not present, replace
boom angle sensor (WP 0098
00).
3. Remove ECU (790) cover
from operator’s seat base and
slide ECU mounting tray out
(WP 0079 00).
4. Check ECU (790) connector
1, connector X157, and ECU
tray grounding leads for
proper connection.
a. Connect
any
loose
or
disconnected
connections.
Push ECU mounting tray in
and install cover.
b. Repair
or
replace
any
damaged connectors (WP
0111
00).
Push
ECU
mounting tray in and install
cover.
DIAG SERVO
1(13)
SYSTEM POWER
24.00V
POWER RI CAN
24.00V
POWER LE CAN
24.00V
10V REF OUT
10.00V
