2-638 Change 1
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
POSSIBLE PROBLEMS
Replace transmission internal
wiring harness (para 7-13).
YES
5.
NO
Resistance Test or
STE/ICE-R Test #91
Faulty transmission internal
wiring harness.
Faulty scavenge pump
assembly.
Faulty WTEC III transmission
ECU.
Circuit breaker OK.
Batteries OK.
WTEC III cab transmission
harness OK.
Transmission external wiring
harness OK.
Transmission adapter cable
assembly OK.
Is 300-2000 ohms
resistance present from
internal wiring harness
24-pin connector pin G2
to pin F3?
If 300-2000 ohms resistance
is not present, transmission
internal wiring harness is
faulty.
c52. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
24 SUB CODE 12 OR 23 (PRIOR TO SERIAL NUMBER 6510032369 WITH TRANSMISSION
ADAPTER CABLE ASSEMBLY) (CONT)
TM 9-2320-365-34-1
