TM 9-2320-366-34-1
2-128 Change 1
c5. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 24 SUB CODE 12 OR 23 (SERIAL NUMBER 6510032369 AND HIGHER) (CONT)
KNOWN INFO
TEST OPTIONS
POSSIBLE PROBLEMS
REASON FOR QUESTION
4.
Faulty scavenge pump
assembly.
Faulty WTEC II TEPSS.
Is scavenge pump
assembly free from
damage?
Visual inspection and
Scavenge Pump Suction Test
If scavenge pump is not
free from damage, scavenge
pump is faulty. If scavenge
pump is OK, WTEC II TEPSS
is faulty.
NO
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
Transmission external wiring
harness OK.
Transmission internal wiring
harness OK.
CAUTION
Read CAUTION
on following page.
YES
Replace scavenge
pump assembly (para 7-16).
Replace WTEC II TEPSS
(TM 9-2320-366-20-4).
