TM-9-2320-365-20-2
M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5
FEBRUARY 2006
CHANGE 3
TM-9-2320-365-20-2 - Page 912 of 1432
TM 9-2320-365-20-2
TM 9-2320-365-20-2
TM 9-2320-365-20-2
TM 9-2320-365-20-2
TM 9-2320-365-20-2
2-1876
2-1876
2-1876
2-1876
2-1876
NO
YES
2.
Is continuity present
from P110U to P111B?
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
Circuit breakers OK.
Power supplied to CTIS.
Speedometer OK.
Indicator display lights OK.
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
CTIS overspeed warning
light and overspeed
pressure change will not
operate if CTIS ECU does
not receive speed signal
through CTIS cable
assembly.
Repair wire 1528 (para 2-40)
or replace CTIS cable
assembly (para 7-53).
m6.
CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
m6.
CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
m6.
CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
m6.
CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
m6.
CTIS OVERSPEED WARNING LIGHT DOES NOT ILLUMINATE AND/OR OVERSPEED PRESSURE CHANGE
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