KNOWN INFO
Transmission pushbutton
shift selector in neutral (N).
Batteries OK.
Service drive lights OK.
Circuit breakers OK.
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual Inspection
If vehicle is equipped with
connector P81, perform
Thermal Switch Bypass
procedure. If vehicle is not
equipped with connector P81,
continue with step 2 of this
fault.
e2. ENGINE DOES NOT CRANK
NOTE
Faulty starting motor.
Faulty auxiliary starter
solenoid.
Faulty battery to starter cable
assembly.
Faulty oil pressure switch.
Faulty relay K24.
Faulty start and charging
cable assembly.
Faulty relay K1.
Faulty engine control cable
assembly.
Faulty starter pushbutton
switch.
Faulty neutral start relay.
Faulty WTEC II Vehicle
Interface Module (VIM).
Faulty WTEC II cab
transmission wiring harness.
Faulty WTEC II transmission
ECU pushbutton shift selector
(TEPSS).
Faulty relay K26.
Faulty dashboard cable
assembly.
Faulty WTEC III transmission
ECU.
Faulty WTEC III transmission
pushbutton shift selector
(TPSS).
Perform Thermal Switch Bypass Procedure.
Perform Engine System Troubleshooting a1.
Engine Does Not Crank and Electrical System
Troubleshooting e1. Circuit Breaker Does Not
Operate on circuit breakers CB21 and CB77
prior to beginning this task.
Remove and install plastic cable ties as
required.
START
NO
YES
Go to step 2 of this fault.
Is vehicle equipped with
connector P81?
1.
WARNING
Read WARNING
on following page.
INTIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Cab raised (TM 9-2320-365-10).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
Wire, Elect, 50 ft (Item 77, Appendix D)
Wire, Relay Test (Item 9, Appendix E)
Materials/Parts
Ties, Cable, Plastic (Item 76, Appendix D)
Adhesive (Item 8, Appendix D)
Dispenser, Pressure Sensitive Adhesive Tape
(Item 21, Appendix D)
Seal Ring, Metal (Item 251, Appendix G)
Personnel Required
(2)
References
TM 9-4910-571-12&P
TM 9-2320-365-20-1
2-154 Change 1
