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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
4.
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 P111 pin A to
FRONT BRAKE AIR and
connector P112 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.
WTEC II / WTEC III dashboard
NO
cable assembly OK.
POSSIBLE PROBLEMS
Faulty air pressure transducer.
Faulty manifold valve
assembly.
Replace CTIS cable assembly
YES
Faulty CTIS ECU.
(para 7-60).
Faulty CTIS cable assembly.
KNOWN INFO
TEST OPTIONS
5.
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 P111 pin A to
FRONT BRAKE AIR and
connector P112 socket B?
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.
WTEC II / WTEC III dashboard
NO
cable assembly OK.
POSSIBLE PROBLEMS
Faulty air pressure transducer.
Faulty manifold valve
assembly.
Replace CTIS cable assembly
YES
Faulty CTIS ECU.
(para 7-60).
Faulty CTIS cable assembly.
2-952
Change 2
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