TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 536 of 1824

e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE

START

1.

TEST OPTIONS

Transmission Diagnostic Code

Check

REASON FOR QUESTION

This question eliminates

possible problems and

determines where

troubleshooting continues.

KNOWN INFO

POSSIBLE PROBLEMS

Is main code 13, 22 or 25

active in pushbutton shift

selector?

YES

Go to step 2 of this fault.

NO

Perform transmission troubleshooting f19 or

f37 for main code 13, transmission troubleshooting

f2, f3, f4, f22, f23, or f24 for main code 22, or

transmission troubleshooting f14 or f32 for

main code 25.

Water temperature gage

operates correctly.

Main code 13, 22, or 25 active

in pushbutton shift selector.

Faulty dashboard cable

assembly.

Faulty WTEC II VIM.

Faulty WTEC II cab

transmission harness.

Faulty Central Tire Inflation

System (CTIS) cable assembly.

Faulty CTIS ECU.

Faulty speedometer.

Materials/Parts

Nut, Self-Locking (2) (Item 133, Appendix G)

Personnel Required

(2)

References

TM 9-4910-571-12&P

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-366-10-1).

Tools and Special Tools

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

Multimeter, Digital (Item 22, Appendix C)

Wrench, Torque, 0-75 lb-in. (Item 90, Appendix B)

TM 9-2320-366-20-1

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