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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.
5.
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
connector PX33 socket H2
active in pushbutton shift
If continuity is not present
to connector PX8 pin 4?
selector.
from connector PX33 socket
VOLTS gage operates
H2 to connector PX8 pin 4,
correctly.
wire 1793 is faulty.
Vehicle is equipped with
WTEC II transmission
controls.
POSSIBLE PROBLEMS
NO
Faulty WTEC II dashboard
cable assembly.
Faulty WTEC II VIM.
Repair wire 1793 from connector
Faulty WTEC II cab
PX33 socket H2 to connector PX8
transmission harness.
YES
pin 4 (para 2-45) or replace WTEC II
Faulty CTIS cable assembly.
dashboard cable assembly (para 7-10).
Faulty CTIS ECU.
Faulty speedometer.
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
6.
Continuity Test or
Water temperature gage
STE/ICE-R Test #91
operates correctly.
Is continuity absent from
REASON FOR QUESTION
Main code 13, 22, or 25 not
connector PX33 socket H2
active in pushbutton shift
If continuity is present, wire
to ground?
selector.
1793 from connector PX33
VOLTS gage operates
socket H2 to connector PX8
correctly.
pin 4 or wire 1793 from
Vehicle is equipped with
connector J111 socket B to
WTEC II transmission
connector PX8 pin 4 is faulty.
controls.
POSSIBLE PROBLEMS
NO
Faulty WTEC II dashboard
cable assembly.
Faulty WTEC II VIM.
Faulty WTEC II cab
Repair wire 1793 from connector PX33
transmission harness.
socket H2 to connector PX8 pin 4 or
Faulty CTIS cable assembly.
wire 1793 from connector J111 socket B
YES
Faulty CTIS ECU.
to connector PX8 pin 4 (para 2-45) or
Faulty speedometer.
replace WTEC II dashboard cable
assembly (para 7-10).
2-348
Change 1
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