TM-9-2320-365-20-2
M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-365-20-2 - Page 418 of 1432
Notify DS Maintenance.
YES
NO
2.
Is 218-276 psi
(1,503-1,903 kPa) present
at main oil pressure tap?
WARNING
Read WARNING
on following page.
KNOWN INFO
POSSIBLE PROBLEMS
Low main oil pressure may
cause WTEC II TEPSS to
display main code 56 and one
or more sub codes.
KNOWN INFO
Transmission oil level OK.
Fuse OK.
Batteries OK.
Output speed sensor OK.
Transmission turbine speed
sensor OK.
POSSIBLE PROBLEMS
Faulty oil pressure pump.
Faulty control valve module.
Faulty WTEC II TEPSS.
f18. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 56
AND ANY SUB CODE (CONT)
TM 9-2320-365-20-2
2-1470
Change 1
Pressure Test or
STE/ICE-R TEST #50
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