TM 10-3930-675-20-1
0046 00-2
TOPHANDLER SPREADER TROUBLESHOOTING - CONTINUED
0046 00
Table 1. Error Code 231 - Tophandler Spreader Opening, Open Circuit Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 231 - Tophandler Spreader Opening,
Open Circuit Failure - Continued
a. If 20-25V is present, check
continuity between con-
nector X188 pin J and
connector 6018 pin 1;
between connector X188
pin K and connector 6018
pin
2;
and
between
connector X188 pin K and
ECU (791) connector 2 pin
4.
a. If continuity is not present,
repair or replace connectors
(WP 0111 00).
b. If wiring harness requires
replacement,
notify
DS
Maintenance.
b. If voltage is not present,
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 2. Error Code 232 - Tophandler Spreader Opening, Short Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 232 - Tophandler Spreader Opening,
Short 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
6018
from
tophandler spreader opening
solenoid.
Place
ignition
switch to ON position. Error
code 231 will be displayed.
Perform voltage check at pins
1 and 2.
If 20-25V is present at connector
6018, replace spreader opening
solenoid (WP 0169 00).
DIAG TOP LIFT 8(16)
OUTPUT INPUT
20’->40’ 0mA 0mA
40’->20’ 0mA 0mA
