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 2-40) or
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard cable
assembly (para 7-11).
TM 9-2320-365-20-1
2-334 Change 1