SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)

TM 9-2320-366-20-1

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

KNOWN INFO

TEST OPTIONS

11.

Visual Inspection

Water temperature gage

REASON FOR QUESTION

operates correctly.

Are speedometer dip switch

Main code 13, 22, or 25 not

If speedometer dip switch

settings correct?

active in pushbutton shift

settings are correct and

selector.

speedometer does not operate

VOLTS gage operates

or is inaccurate, speedometer

correctly.

is faulty.

Vehicle is equipped with

WTEC II transmission

controls.

WTEC II dashboard cable

assembly OK.

WTEC II VIM OK.

WTEC II cab transmission

Correct speedometer dip switch

harness OK.

YES

settings (para 7-14).

CTIS cable assembly OK.

CTIS ECU OK.

POSSIBLE PROBLEMS

Faulty speedometer.

Replace speedometer

(para 7-14).

Change 1