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 694 of 1824
TM 9-2320-366-20-1
e24A. HIGH ENGINE TEMPERATURE INDICATOR ILLUMINATES (CONT)
KNOWN INFO
Replace coolant temperature
light switch (para 7-22).
TEST OPTIONS
REASON FOR QUESTION
NO
YES
Continuity Test or
STE/ICE-R Test #91
CAUTION
Read CAUTION
on following page.
2.
Go to step 3 of this fault.
2-418.4
Change 2
Engine temperature is below
216°F (102°C) when high
engine temperature indicator
illuminates.
High engine temperature
indicator illuminates when
master power switch is
positioned to on.
POSSIBLE PROBLEMS
Faulty coolant temperature
light switch.
Faulty LAMP TEST switch (if
equipped).
Faulty engine control cable
assembly.
Faulty WTEC II dashboard
cable assembly.
Faulty WTEC III dashboard
cable assembly.
Is continuity present from
coolant temperature light
switch connector socket 2
to known good ground?
If continuity is present, coolant
temperature light switch is
faulty.
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