TM 10-3930-675-24-1
MISCELLANEOUS TRANSMISSION FAILURE TROUBLESHOOTING - CONTINUED
0029 00
Table 5. Error Code 747 - Backup Alarm Control Circuit,
Open Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 747 - Backup Alarm Control Circuit,
4. Check for continuity. With the a. If no continuity is found at
Open Circuit Failure - Continued.
305 relay still removed, check
either check, remove the relay
continuity between the 305
board and check the underside
relay socket pin 86 and
for damage.
connector XK5 pin 2 and 305 b. Replace damaged relay board
relay socket pin 85 and
(WP 0074 00).
connector XK5 pin 5.
5. Inspect connectors X29, X160, a. Repair or replace damaged
and X177 for damage and
connector (WP 0113 00).
connection. Check continuity b. Replace damaged or open
of wires A55, 293 (WP 0048
wire.
00-45), 16010, and A17710
(WP 0048 00-12).
Table 6. Error Code 761 - 2WD/4WD Connection Valve Circuit,
Short Circuit to Chassis Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 761 - 2WD/4WD Connection Valve 1. Check
for
continuity. a. If continuity to ground is
Circuit, Short Circuit to Chassis Failure.
Disconnect connector X172
found, locate the AWD/4WD
located in the middle panel
connection valve at the left
behind the operator's seat.
rear of the transmission.
Check for continuity to ground
Inspect the solenoid (606) and
at the loose part of connector
connector for damage.
X172 at pins 14 and 15 (WP b. Replace damaged 606 solenoid
(WP 0171 00).
be continuity to ground.
2. Check
for
continuity. a. If continuity to ground, replace
Disconnect
and
inspect
grounded 606 solenoid (WP
connector
606.
Check
0171 00).
continuity at the 606 solenoid b. If the 606 connector is
between each pin and ground
damaged, notify Sustainment
Maintenance to replace engine
should not be continuity to
and transmission wiring
ground.
harness.
3. Inspect the 606 connector and
If continuity to ground is present
pins for damaged and proper
in either wire or connector 606 is
connection.
Check
for
damaged, notify Sustainment
continuity to ground for wires
Maintenance to replace engine
17214 and 17215 (WP 0048
and transmission wiring harness.
00-15).
0029 00-6
