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Page Title:
REVERSE PRESSURE SWITCH CIRCUIT FAULTY. |
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 TM 9-2320-364-34-1
2-11. TRANSMISSION SYSTEM TROUBLESHOOTING (CONT).
3. REVERSE PRESSURE SWITCH CIRCUIT FAULTY.
INITIAL SETUP
Tools and Special Tools
Personnel Required
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)
Left rear fender skirt removed,
Zonal Separator, Oil and Water Spray Gun
(TM 9-2320-364-20)
(Item 280, Appendix F)
Transmission internal oil filter removed,
Jumperwire
(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 2-131
STE/ICE-R #91.
completed.
ATEC code 15 in memory.
REASON FOR QUESTION
Truck wiring OK.
Is there continuity across
If there is no continuity, reverse
reverse pressure switch when
POSSIBLE PROBLEMS
pressure switch is faulty.
25 to 35 psi (172-241 kPa) is
applied to switch?
Reverse pressure switch faulty.
Solenoid wiring harness
assembly faulty.
ATEC ECU faulty.
Replace reverse
pressure switch
NO
(Para 7-8).
Verify repair, go to
Step 3 of this Fault.
YES
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