TM-9-2320-366-20-2
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-2 - Page 804 of 1632
KNOWN INFO
4.
Does transmission auxiliary
oil cooler fan operate?
TEST OPTIONS
Auxiliary Oil Cooler Fan Test
REASON FOR QUESTION
Transmission may overheat if
fan does not operate which will
cause WTEC II TEPSS to
display main code 24 and/or 33
sub code 23.
WARNING
Read WARNING
on following page.
NO
YES
Perform Electrical System Troubleshooting
(e148. Transmission Auxiliary Oil Cooler Fan
Does Not Operate (All Models Except
M1088/M1089) or e149. M1088/M1089
Transmission Auxiliary Oil Cooler Fan
Does Not Operate).
2-1612
Change 1
f5. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 24 AND/OR 33
AND ANY SUB CODE (CONT)
TM 9-2320-366-20-2
Transmission oil level OK.
Fuse OK.
Batteries OK.
Engine does not overheat.
Transmission oil cooler tubes
OK.
Transmission oil cooler hoses
OK.
Transmission oil cooler OK.
POSSIBLE PROBLEMS
Faulty transmission auxiliary
oil cooler.
Faulty transmission oil filters.
Faulty WTEC II cab
transmission harness.
Faulty transmission external
wiring harness.
Faulty WTEC II TEPSS.
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