2-938 Change 1
3.
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
CAUTION
Read CAUTION
on following page.
POSSIBLE PROBLEMS
Faulty transmission internal
wiring harness.
Faulty C3 solenoid regulator
valve.
Faulty C3 pressure switch.
Is continuity present from
internal wiring harness
31-pin connector pin W to
internal wiring harness
connector C3 pin A?
If continuity is not present,
transmission internal wiring
harness is faulty.
NO
Replace transmission internal
wiring harness (para 7-13).
YES
Circuit breaker OK.
Batteries OK.
WTEC III cab transmission
harness OK.
WTEC III transmission ECU OK.
Transmission external wiring
harness OK.
c78. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
52 AND ANY SUB CODE (SERIAL NUMBER 6510032369 AND HIGHER) (CONT)
TM 9-2320-365-34-1
