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 TM 9-2320-366-20-2
CAUTION
Use care when testing electrical connectors.
Do not damage connector pins or sockets
with multimeter probes. Failure to comply
may result in damage to equipment.
NOTE
Inspect connector pins/sockets for damage,
corrosion, and serviceability. Check that
connector pins are not pushed back and
are capable of making good contact.
RESISTANCE TEST
(1) Set multimeter to ohms.
(2) Connect positive (+) probe of multimeter
to connector P119 pin p.
(3) Connect negative (-) probe of multimeter to
connector P119 pin r and note reading on
multimeter.
NOTE
A good turbine speed sensor
will return a reading of 200-400
ohms resistance as follows:
a. 200 ohms at -40F (-40C).
b. 300 ohms at 68F (20C).
c. 400 ohms at 230F (110C).
(4) Connect negative (-) probe of multimeter to
all other pins in connector P119 and note
reading on multimeter.
(5) Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(6) If 200-400 ohms resistance is not present
in step 4, or continuity is present in step 5
or step 6, notify DS Maintenance.
(7) If 200-400 ohms resistance is present in
step 3, and continuity is not present in
step 5 or step 6, replace WTEC II TEPSS
(para 8-2).
(8) Connect connector J115 to WTEC II
TEPSS.
(9) Install instrument panel assembly (para
7-15).
(10) Connect connector P119 to connector
J119.
(11) Position front grille on cab with washer
and screw.
(12) Position two washers and screws in front
grille.
(13) Tighten screw to 48-60 lb-in. (5-7 Nm).
(14) Tighten two screws to 24 lb-in. (3 Nm).
(15) Clear diagnostic codes (para 8-4).
Change 1
2-1599
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