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 538 of 1824

e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

KNOWN INFO

2.

TEST OPTIONS

Voltage Test or

STE/ICE-R Test #89

REASON FOR QUESTION

Is 24 VDC present at

connector PX8 pin 3?

If 24 VDC is not present, wire

1546 is faulty.

Water Temperature gage

operates correctly.

Main code 13, 22, or 25 not

active in pushbutton shift

selector.

POSSIBLE PROBLEMS

Faulty dashboard cable

assembly.

Faulty WTEC II VIM.

Faulty WTEC II cab

transmission harness.

Faulty CTIS cable assembly.

Faulty CTIS ECU.

Faulty speedometer.

YES

NO

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Repair wire 1546 from connector PX11 pin 3

to connector PX8 pin 3 (para 2-45) or

replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).

TM 9-2320-366-20-1

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