TM 9-2320-366-34-1
2-148 Change 1
c7. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 24 SUB CODE 12 OR 23 (PRIOR TO SERIAL NUMBER 6510032369) (CONT)
KNOWN INFO
POSSIBLE PROBLEMS
CAUTION
Read CAUTION
on following page.
TEST OPTIONS
REASON FOR QUESTION
4.
NO
Faulty scavenge pump
assembly.
Faulty WTEC II TEPSS.
Is scavenge pump assembly
free from damage?
If scavenge pump is not free
from damage, scavenge pump
is faulty. If scavenge pump is
OK, WTEC II TEPSS is faulty.
Visual inspection and
Scavenge Pump Suction Test
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
Transmission external wiring
harness OK.
Transmission internal wiring
harness OK.
Replace scavenge
pump assembly (para 7-16).
YES
Replace WTEC II TEPSS
(TM 9-2320-366-20-4).
