e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)
TEST OPTIONS
NO
KNOWN INFO
11.
Are speedometer dip switch
settings correct?
Visual Inspection
REASON FOR QUESTION
If speedometer dip switch
settings are correct and
speedometer does not operate
or is inaccurate, speedometer
is faulty.
POSSIBLE PROBLEMS
Water temperature gage
operates correctly.
Main code 13, 22, or 25 not
active in pushbutton shift
selector.
VOLTS gage operates
correctly.
Vehicle is equipped with
WTEC II transmission
controls.
WTEC II dashboard cable
assembly OK.
WTEC II VIM OK.
WTEC II cab transmission
harness OK.
CTIS cable assembly OK.
CTIS ECU OK.
Faulty speedometer.
YES
Correct speedometer dip switch
settings (para 7-14).
Replace speedometer
(para 7-14).
TM 9-2320-365-20-1
2-344 Change 1