TM 9-2320-366-34-1
2-590 Change 1
5.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Pressure Test or
STE/ICE-R Test #50
Circuit breaker OK.
Batteries OK.
WTEC II cab transmission
harness OK.
WTEC II TEPSS OK.
Transmission external wiring
harness OK.
Transmisson internal wiring
harness OK.
Faulty C3 solenoid regulator
valve.
Faulty C3 pressure switch.
Does C3 pressure switch
open when shift is made?
If C3 pressure switch opens
(STE/ICE-R displays
greater than 0 psi), C3
solenoid regulator valve is
faulty. If C3 pressure switch
does not open (STE/ICE-R
displays 0 psi), C3 pressure
switch is faulty.
NO
Replace C3 solenoid regulator
valve (para 7-7).
YES
Replace C3 pressure switch
(para 7-8).
c47. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 52 AND ANY SUB CODE (PRIOR TO SERIAL NUMBER 6510032369) (CONT)
