c65. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
42, 44, 45, 46, AND/OR 69 SUB CODE 21 (SERIAL NUMBER 6510032369 AND HIGHER)
(CONT)
TM 9-2320-365-34-1
2-790 Change 1
5.
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
POSSIBLE PROBLEMS
Resistance Test or
STE/ICE-R Test #91
Faulty F solenoid.
Faulty WTEC III transmission
ECU.
Circuit breaker OK.
Batteries OK.
WTEC III cab transmission
harness OK.
Transmission external wiring
harness OK.
Transmission internal wiring
harness OK.
Is 2.5-5.0 ohms resistance
present from F solenoid
pin A to pin B?
If 2.5-5.0 ohms resistance is
not present, F solenoid is
faulty. If 2.5-5.0 ohms
resistance is present, WTEC III
transmission ECU is faulty.
NO
YES
Replace F solenoid
(para 7-8).
Replace WTEC III transmission
ECU (TM 9-2320-365-20-3).
