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TM 9-2320-364-20-3
2-2170
13. CTIS LOW AIR INDICATOR STAYS ON OVER 110 PSI (CONT).
2.
Does the CTIS LOW AIR
indicator stay on with
pressure switch wire
grounded?
Replace pressure
switch (Para 13-10).
Verify repair, go to
Step 6 of this Fault.
YES
NO
System air pressure greater
than 110 psi (758 kPa).
LOW AIR light solid.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Pressure switch test.
If LOW AIR light goes out when
wire is grounded, pressure
switch is faulty.
WARNING
Pressure switch faulty.
CTIS wire harness faulty.
CTIS controller faulty.
Front manifold faulty.
Read WARNING
on Page 2-2171
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