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Page Title:
FORWARD PRESSURE SWITCH CIRCUIT FAULTY. |
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 TM 9-2320-364-34-1
2-11. TRANSMISSION SYSTEM TROUBLESHOOTING (CONT).
2. FORWARD PRESSURE SWITCH CIRCUIT FAULTY.
INITIAL SETUP
Personnel Required
Tools and Special Tools
Tool Kit, General Mechanic's
Two
(Item 240, Appendix F)
Analyzer Set, STE/ICE-R (Optional)
References
(Item 15, Appendix F)
TM 9-2320-364-10
Cartridge, ATEC (Item 28, Appendix F)
TM 9-2320-364-20
Goggles, Industrial (Item 83, Appendix F)
TM 9-4910-571-12&P
Gun, Airblow (Item 86, Appendix F)
Harness, Breakout (Item 94, Appendix F)
Equipment Condition
Multimeter (Item 140, Appendix F)
Engine OFF, (TM 9-2320-364-10)
Reader, Diagnostic (Item 180, Appendix F)
Parking brake applied, (TM 9-2320-364-10)
Wrench Set, Socket 3/8 In. (Item 273, Appendix F)
Wheels chocked, (TM 9-2320-364-10)
Zonal Separator, Oil and Water Spray Gun
Left rear fender skirt removed,
(Item 280, Appendix F)
(TM 9-2320-364-20)
Jumperwire
Transmission internal oil filter removed,
(Para 7-4)
Materials/Parts
Packing, Preformed (Item 400, Appendix E)
START
1.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Continuity test.
Unit Troubleshooting tasks
on Page 2-125
STE/ICE-R #91.
completed.
ATEC code 14 in memory.
REASON FOR QUESTION
Truck wiring OK.
Is there continuity across
If there is no continuity, forward
forward pressure switch
POSSIBLE PROBLEMS
pressure switch is faulty.
when 25 to 35 psi (172-241
kPa) is applied to switch?
Forward pressure switch faulty.
Solenoid wiring harness
assembly faulty.
ATEC ECU faulty.
Replace forward
pressure switch
NO
(Para 7-8).
Verify repair, go to
Step 3 of this Fault.
YES
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