TM 10-3930-675-24-1
TOPHANDLER SPREADER TROUBLESHOOTING - CONTINUED
0046 00
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, 1. Check wires and connectors at a. Repair or replace connectors
Open Circuit Failure.
tophandler control valve and
(WP 0113 00).
tophandler junction box for b. Replace damaged wiring
damage.
harness (WP 0221 00).
2. Enter DIAG ATTACHMENT If no INPUT mA values display,
8(16) in the diagnostic menu. continue with troubleshooting
Activate the spreader closing procedure.
function.
DIAG ATTACHMENT 8(16)
OUTPUT INPUT
20'->40' 0mA
0mA
40'->20'
0mA
0mA
3. Disconnect connector 6019 a. If no voltage (15-18V) is
from the tophandler spreading
found, check continuity of
in solenoid. Turn the ignition
wires 188L and 188M (WP
ON and check voltage (15-
0048 00-26).
18V) between both pins of the b. If voltage (15-18V) is found,
connector.
check resistance of 6019
solenoid. Resistance should be
18 to 26 Ohms.
c. Replace open of faulty
solenoid (WP 0169 00).
d. Replace X188 to solenoids
wiring harness (WP 0221 00).
4. Disconnect connector X188 a. If no voltage (15-18V) is
for the tophandler junction
found, check continuity of
box. Turn the ignition ON.
wires A3018A through H and
Check voltage (15-18V) at the
A188M (WP 0048 00-26 and
mounted part of the connector
WP 0048 00-28).
between pins L and M.
b. Repair or replace damaged
wires or connectors (WP 0113
00).
5. Disconnect
ECU
(791) a. Repair or replace damaged
connector 2. Inspect ECU and
connector (WP 0111 00).
connector pins for damage.
b. Replace ECU (791) (WP 0077
00).
NOTE
Multiple error codes associated with a common connec-
tor on ECU (791) may be the result of a short to ground
in the harness for the common solenoid voltage. (See
0046 00-4
