TM 10-3930-675-20-1
0046 00-3
TOPHANDLER SPREADER TROUBLESHOOTING - CONTINUED
0046 00
Table 2. Error Code 232 - Tophandler Spreader Opening, Short Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 232 - Tophandler Spreader Opening,
Short Circuit Failure - Continued
3. Disconnect connector X188
from tophandler junction box
at end of boom. Place ignition
switch to OFF position and
check continuity between
connector 6018 pin 1 and pin
2 and between connector
6018 pin 1 and pin 2 and
chassis.
a. If continuity is present, repair
or replace connectors (WP
0111 00).
b. If wiring harness requires
replacement,
notify
DS
Maintenance.
4. Enter
DIAG
ATTACH-
MENT 8 (16) menu and
check current of 20-40
OUTPUT. Current should be
present
with
joystick
activated to open tophandler
spreader.
a. If current is not present,
replace ECU (791) (WP 0076
00).
b. If current is present, notify
SRA.
Table 3. Error Code 234 - Tophandler Spreader Closing, Open Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 234 - Tophandler Spreader Closing,
Open Circuit Failure
1. Check wires and cables from
tophandler control valve to
boom for obvious damage.
Repair or replace damaged
connectors (WP 0111 00).
2. Disconnect
electrical
connector
6019
from
tophandler spreader closing
solenoid.
Place
ignition
switch to ON position and
perform voltage check at pins
1 and 2.
If 20-25V is present at connector
6019, replace spreader closing
solenoid (WP 0169 00).
DIAG TOP LIFT 8(16)
OUTPUT INPUT
20->40 0mA 0mA
40->20 0mA 0mA