TM 9-2320-366-34-1
2-958 Change 1
c79. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS
MAIN CODE 52 AND ANY SUB CODE (PRIOR TO SERIAL NUMBER 6510032369 WITH
TRANSMISSION ADAPTER CABLE ASSEMBLY) (CONT)
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
7.
Pressure Test or
STE/ICE-R Test #50
POSSIBLE PROBLEMS
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
YES
Replace C3 solenoid
regulator valve (para 7-7).
Replace C3 pressure
switch (para 7-8).
Circuit breaker OK.
Batteries OK.
WTEC III cab transmission
harness OK.
WTEC III transmission ECU OK.
Transmission external wiring
harness OK.
Transmission adapter cable
assembly OK.
Transmission internal wiring
harness OK.
