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TM 9-2320-360-20-1
NOTE
The following flow chart should
only
be
used
if
DDEC
troubleshooting was started on p.
2-80 and you were referred here.
(1)
Turn ENGINE switch OFF and
disconnect CLS.
(2)
Start engine (TM 9-2320-360-10)
(3)
Read active codes.
(4)
Stop engine (TM 9-2320-360-10).
Inspect CLS and terminals at CLS connectors (sensor side
and harness side) for damage, bent, corroded, and
unseated pins or sockets.
WARNING
· Batteries must be disconnected before
tightening any connections. Failure to
comply
may
result
in
injury
to
personnel.
· Remove all jewelry such as rings, dog
tags, bracelets, etc. It jewelry contacts
electrical terminals a direct short may
result in an instant heating of tools,
damage to equipment, and injury to
personnel.
CONTINUITY TEST
(1)
Turn ENGINE switch OFF.
(2)
Disconnect vehicle harness connector at ECM.
(3)
Read resistance between sockets C and D on
ECM side of CLS harness connector.
2-123
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