e12. SPEEDOMETER DOES NOT OPERATE OR IS INACCURATE (CONT)
TEST OPTIONS
Continuity Test or
STE/ICE-R Test #91
REASON FOR QUESTION
KNOWN INFO
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.
POSSIBLE PROBLEMS
6.
Is continuity absent from
connector PX33 socket H2
to ground?
YES
NO
YES
NO
Faulty WTEC II dashboard
cable assembly.
Faulty WTEC II VIM.
Faulty WTEC II cab
transmission harness.
Faulty CTIS cable assembly.
Faulty CTIS ECU.
Faulty speedometer.
If continuity is not present
from connector PX33 socket
H2 to connector PX8 pin 4,
wire 1793 is faulty.
REASON FOR QUESTION
Continuity Test or
STE/ICE-R Test #91
TEST OPTIONS
5.
Is continuity present from
connector PX33 socket H2
to connector PX8 pin 4?
CAUTION
Read CAUTION
on following page.
Faulty WTEC II dashboard
cable assembly.
Faulty WTEC II VIM.
Faulty WTEC II cab
transmission harness.
Faulty CTIS cable assembly.
Faulty CTIS ECU.
Faulty speedometer.
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.
KNOWN INFO
If continuity is present, wire
1793 from connector PX33
socket H2 to connector PX8
pin 4 or wire 1793 from
connector J111 socket B to
connector PX8 pin 4 is faulty.
CAUTION
Read CAUTION
on following page.
Repair wire 1793 from connector
PX33 socket H2 to connector PX8
pin 4 (para 2-40) or replace WTEC II
dashboard cable assembly (para 7-10).
Repair wire 1793 from connector PX33
socket H2 to connector PX8 pin 4 or
wire 1793 from connector J111 socket B
to connector PX8 pin 4 (para 2-40) or
replace WTEC II dashboard cable
assembly (para 7-10).
TM 9-2320-365-20-1
2-338 Change 1