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Page Title:
SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT) |
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 TM 9-2320-366-20-1
e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
7.
Continuity Test or
Water temperature gage
STE/ICE-R Test #91
operates correctly.
Is continuity present from
REASON FOR QUESTION
Main code 13, 22, or 25 not
WTEC II VIM connector pin
If continuity is not present,
active in pushbutton shift
H2 to WTEC II VIM
WTEC II VIM is faulty.
selector.
connector pin M2?
VOLTS gage operates
correctly.
Vehicle is equipped with
WTEC II transmission
controls.
WTEC II dashboard cable
assembly OK.
NO
POSSIBLE PROBLEMS
Faulty WTEC II VIM.
Faulty WTEC II cab
transmission harness.
Faulty CTIS cable assembly.
Replace WTEC II VIM
YES
Faulty CTIS ECU.
(para 8-6).
Faulty speedometer.
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
8.
Continuity Test or
Water temperature gage
STE/ICE-R Test #91
Is continuity present from
operates correctly.
REASON FOR QUESTION
connector J116 socket B2
Main code 13, 22, or 25 not
to connector J115 socket
active in pushbutton shift
If continuity is not present
23 and continuity absent
selector.
from connector J116 socket
from connector J116 socket
VOLTS gage operates
B2 to connector J115 socket
B2 to ground?
correctly.
23 or continuity is present
Vehicle is equipped with
from connector J116 socket
WTEC II transmission
B2 to ground, WTEC II cab
controls.
transmission harness is
WTEC II dashboard cable
faulty.
assembly OK.
WTEC II VIM OK.
NO
POSSIBLE PROBLEMS
Faulty WTEC II cab
transmission harness.
Replace WTEC II cab transmission
Faulty CTIS cable assembly.
YES
harness (para 7-137).
Faulty CTIS ECU.
Faulty speedometer.
2-350
Change 1
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