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TM 9-2320-364-20-3
2-1960
4. ALL TIRES ON AXLES NO. 1 AND NO. 2 WILL NOT DEFLATE (CONT).
7.
Is the deflate valve operating
properly?
Replace deflate
valve (Para 13-10).
Verify repair, go to
Step 8 of this Fault.
NO
Tires on Axles No. 1 and No. 2
inflate
Tires on Axles No. 3 through
No. 5 deflate.
CTIS lines and components
not leaking.
CTIS wire harness connections
OK.
CTIS controller OK.
Wiring harness OK.
Rear manifold OK.
Deflate valve solenoid OK.
Deflate valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Deflate valve which remains
closed will prevent proper tire
deflation.
6.
Are 22 to 28 ohms measured
between deflate valve
solenoid, terminal 1 and
terminal 2?
YES
Tires on Axles No. 1
and No. 2 inflate.
Tires on Axles No. 3 through
No. 5 deflate.
CTIS lines and components
not leaking.
CTIS wire harness connections
OK.
CTIS controller OK.
Wiring harness OK.
Front manifold OK.
Deflate valve solenoid faulty.
Deflate valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Resistance test.
STE/ICE-R #91.
If there are not 22 to 28 ohms at
deflate valve solenoid, deflate
valve solenoid is faulty.
Replace deflate valve
solenoid (Para 13-10).
Verify repair, go to
Step 8 of this Fault.
YES
NO
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