TM 10-3930-675-24-1
TRANSMISSION SPEED SENSORS TROUBLESHOOTING - CONTINUED
0027 00
Table 6. Error Code 654 - Turbine Speed Sensor Failure,
Logical Error Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 654 - Turbine Speed Sensor Failure, Place ignition switch in OFF
If error code is still present,
Logical Error.
position for 30 seconds and then
perform troubleshooting pro-
back in ON position.
cedures for error code 652.
Table 7. Error Code 655 - Internal Speed Sensor Failure, Open
Circuit or Short Circuit to Battery Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
If resistance is not as specified,
Open Circuit or Short Circuit to Battery.
connector X173 located in the
move the cab to the transport
middle panel behind the
position (TM 10-3930-675-10)
operators
seat.
Check
and remove the transmission
resistance at the loose part of
front access cover (WP 0142 00).
connector X173 between pins
8 and 9 (WP 0048 00-14).
Resistance should be 950 to
1,150 Ohms.
2. Check sensor. Disconnect and
If resistance is not as specified or
inspect the 752 internal gear
the 752 internal gear speed sensor
speed sensor located on the left
is damaged, replace the 752
side of the transmission. Check
internal gear speed sensor (WP
resistance of the 752 internal
0096 00).
gear speed sensor between the
two pins (WP 0048 00-14).
Resistance should be 950 to
1,150 Ohms.
3. Inspect the 752 connector and
If continuity is not present in
pins for damage and proper
either wire or connector 752 is
connection. Check continuity
damaged, notify Sustainment
of wires 1738 and 1739 (WP
Maintenance to replace engine
0048 00-14).
and transmission wiring harness.
0027 00-7
