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TM 9-2320-360-20-1
CONTINUITY TEST
(1)
Turn ENGINE switch OFF.
(2)
Disconnect vehicle harness
connector at ECM.
(3)
Read resistance between socket
C3 and sockets A1, K2, and J3.
(4)
Repeat resistance check
between known good ground and
sockets A1, K2, and J3.
(1)
Disconnect engine harness
connector.
(2)
Check terminals at ECM vehicle
harness and engine harness
connectors (both ECM and harness
side) for damaged, bent, corroded,
and unseated pins or sockets.
(1)
Turn ENGINE switch OFF.
(2)
Reconnect all harness connectors.
(3)
Turn ENGINE switch ON and
observe CHECK ENGINE indicator.
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