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TM 9-2320-364-20-2
2-1718
3. TRANSFER CASE WILL NOT LOCKUP.
INITIAL SETUP
1.
Are 10 to 14 vdc measured on
wire 1883 at connector M49,
terminal 1?
Go to Step 5
of this Fault.
START
YES
NO
Air system pressure at
125 4 psi (862 28 kPa).
Parking brake light operates,
indicating circuit breaker CB8
is OK.
Wire 1435 faulty.
Transfer case lockup solenoid
valve faulty.
Transfer case air chamber
line faulty.
Wire 1534 faulty.
Transfer case lockup switch
faulty.
Wire 1883 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 10 to 14 vdc are not present,
transfer case solenoid will not
operate.
2-22. TRANSFER CASE TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Apendix G)
STE/ICE-R (Optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Personnel Required
Two
Equipment Condition
Wheels chocked, (TM 9-2320-364-10)
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Note
A soap and water solution should be used for visual air leak inspections.
Materials/Parts
Adhesive (Item 6, Appendix C)
Soap solution (Item 86, Appendix C)
WARNING
Read WARNING
on Page 2-1719
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