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Page Title:
CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE (CONT) |
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 TM 9-2320-366-20-2
e85. CENTRAL TIRE INFLATION SYSTEM (CTIS) DOES NOT OPERATE (CONT)
KNOWN INFO
TEST OPTIONS
18.
Continuity Test or
VOLTS gage registers in green
STE/ICE-R Test #91
zone with engine running.
Is continuity present from
REASON FOR QUESTION
Circuit breaker CB40 OK.
connector P110 socket j to
FRONT BRAKE AIR and
connector P113 socket A?
If continuity is not present,
REAR BRAKE AIR pressure
CTIS cable assembly is faulty.
gages read normal.
Air pressure switch OK.
Start and charging cable
assembly OK.
NO
WTEC II / WTEC III dashboard
cable assembly OK.
Manifold valve assembly OK.
POSSIBLE PROBLEMS
Replace CTIS cable assembly
Faulty air pressure transducer.
YES
(para 7-60).
Faulty CTIS ECU.
Faulty CTIS cable assembly.
KNOWN INFO
TEST OPTIONS
19.
Continuity Test or
VOLTS gage registers in green
STE/ICE-R Test #91
zone with engine running.
Is connector P113 socket A,
REASON FOR QUESTION
Circuit breaker CB40 OK.
socket B, or socket C short
FRONT BRAKE AIR and
circuited?
If connector P113 is short
REAR BRAKE AIR pressure
circuited, CTIS cable assembly
gages read normal.
is faulty.
Air pressure switch OK.
Start and charging cable
assembly OK.
NO
WTEC II / WTEC III dashboard
cable assembly OK.
Manifold valve assembly OK.
POSSIBLE PROBLEMS
Faulty air pressure transducer.
YES
Go to step 20 of this fault
Faulty CTIS ECU.
Faulty CTIS cable assembly.
Replace CTIS cable assembly
(para 7-60).
Change 2
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