TM-9-2320-366-20-1
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-1 - Page 294 of 1824
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.
INTIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Cab raised (TM 9-2320-366-10-1).
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
Wire, Elect, 50 ft (Item 71, Appendix D)
Wire, Relay Test (Item 9, Appendix E)
Materials/Parts
Ties, Cable, Plastic (Item 69, Appendix D)
Adhesive (Item 8, Appendix D)
Dispenser, Pressure Sensitive Adhesive Tape
(Item 20, Appendix D)
Seal Ring, Metal (Item 268, Appendix G)
Personnel Required
(2)
References
TM 9-4910-571-12&P
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.
TM 9-2320-366-20-1
2-164
Change 1
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