TM-9-2320-366-20-3
M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 3 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-366-20-3 - Page 132 of 1396
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
TM 9-2320-366-20-3
1.
NO
YES
If ECU does not receive a
speed signal it cannot
activate the overspeed
protection system.
Do overspeed warning
light and overspeed
pressure change bolts
fail to operate?
START
Visual inspection
KNOWN INFO
POSSIBLE PROBLEMS
Faulty CTIS cable-speed
signal.
Faulty cab dashboard
wiring harness - speed
signal.
Faulty cab dashboard
wiring
harness - LED input
to CTIS cable.
Faulty CTIS cable - LED
input to ECU.
Faulty ECU - O.S
pressure
change function.
Faulty overspeed indicator
LED.
Faulty cab dashboard
wiring harness - ground
for LED.
Faulty cab dashboard
wiring harness - power
to LED.
Faulty CTIS cable power
to LED.
Faulty ECU - O.S. warning
indicator function.
TEST OPTIONS
REASON FOR QUESTION
Circuit breakers OK.
Power supplied to CTIS.
Speedometer OK.
Indicator display lights OK.
Go to step 6 of this fault.
INITIAL SETUP
Equipment Conditions
Engine running (TM 9-2320-366-10-1).
Personnel Required
(2)
References
TM 9-4910-571-12&P
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)
Wrench, Torque, 0-75 lb-in. (Item 90, Appendix B)
STE/ICE-R (Item 41, Appendix C)
m6. CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
2-2122
2-2122
2-2122
2-2122
2-2122
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