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Page Title:
CENTRAL TIRE INFLATION SYSTEM (CTIS) OVERSPEED INDICATOR DOES NOT OPERATE (CONT) |
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 TM 9-2320-366-20-1
TM
e25. CENTRAL TIRE INFLATION SYSTEM (CTIS) OVERSPEED INDICATOR DOES NOT OPERATE (CONT)
e25.
KNOWN INFO
TEST OPTIONS
2.
CTIS operates normally.
Continuity Test or
Lighted indicator
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
display OK.
POSSIBLE PROBLEMS
If continuity is not
between connector PX7-17
Faulty dashboard cable
present, wire 3030 is
and a known good ground?
assembly.
faulty.
Faulty relay K52.
Faulty CTIS ECU.
Faulty CTIS cable
NO
assembly.
YES
Repair wire 3030 (para 2-45)
or replace WTEC II dashboard cable
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
KNOWN INFO
TEST OPTIONS
3.
CTIS operates normally.
Continuity Test or
Lighted indicator
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
display OK.
POSSIBLE PROBLEMS
If continuity is not
between relay K52
Faulty relay K52.
present, relay K52 is
terminals 30 and 87A?
Faulty dashboard cable
faulty.
assembly.
Faulty CTIS ECU.
NO
Faulty CTIS cable
assembly.
Replace relay K52
YES
(para 7-9).
2-422
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