2-574 Change 1
KNOWN INFO
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
CAUTION
Read CAUTION
on following page.
5.
POSSIBLE PROBLEMS
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
Faulty WTEC II TEPSS.
Transmission external wiring
harness OK.
Transmission adapter cable
assembly OK.
Faulty transmission internal
wiring harness.
Faulty C3 solenoid regulator
valve.
Faulty C3 pressure switch.
Is continuity present from
internal wiring harness
24-pin connector pin F2 to
internal wiring harness
connector C3 pin A?
If continuity is not present,
transmission internal wiring
harness is faulty.
Replace transmission internal
wiring harness (para 7-13).
YES
NO
c46. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 56 AND ANY SUB CODE (PRIOR TO SERIAL NUMBER 6510032369 WITH
TRANSMISSION ADAPTER CABLE ASSEMBLY) (CONT)
TM 9-2320-365-34-1
