TM 9-2320-365-34-1
2-144 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
TEST OPTIONS
REASON FOR QUESTION
3.
Resistance Test or
STE/ICE-R Test #91
Faulty transmission internal
wiring harness.
Faulty scavenge pump
assembly.
Faulty WTEC II TEPSS.
If less than 300 ohms or more
than 2000 ohms is present,
transmission internal wiring
harness is faulty.
Is 300-2000 ohms
resistance present from
internal wiring harness
24-pin connector pin G2
to pin F3?
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
Transmission external wiring
harness OK.
Replace transmission internal
wiring harness (para 7-13).
YES
NO
