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 TM 9-2320-366-20-2
CAUTION
Loose or dirty connectors may cause
intermittent loss of power to transmission
ECU and diagnostic codes to be logged.
Ensure that all connectors are clean and tight
before performing troubleshooting. Failure to
comply may result in incorrect test results.
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.
CONTINUITY TEST
(1) Remove two screws and washers from
front grille.
(2) Remove screw and washer from front
grille.
(3) Remove front grille from cab.
(4) Disconnect connector P119 from connector
J119.
(5) Remove instrument panel assembly for
access (para 7-15).
(6) Disconnect connector J115 (top connector)
from WTEC II TEPSS.
(7) Install jumper wire from connector J119h
to J119j.
(8) Set multimeter to ohms.
(9) Connect positive (+) probe of multimeter
to connector J115-27.
(10) Connect negative (-) probe of multimeter to
connector J115-28 and note reading on
multimeter.
(11) Connect negative (-) probe of multimeter to
all other sockets in connector J115, one at
a time, and note reading on multimeter.
(12) Connect negative (-) probe of multimeter to
ground and note reading on multimeter.
(13) If continuity is not present in step 10, or
continuity is present in step 11 or step 12,
replace WTEC II cab transmission harness
(para 7-137).
(14) Connect connector P119 to connector J119.
(15) Position front grille on cab with washer and
screw.
(16) Position two washers and screws in front
grille.
(17) Tighten screw to 48-60 lb-in. (5-7 Nm).
(18) Tighten two screws to 24 lb-in. (3 Nm).
Change 1
2-1621
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