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TM 9-2320-360-20-1
(1)
Disconnect vehicle harness connector at ECM.
(2)
Turn ENGINE switch ON (engine not running)
while observing CHECK ENGINE Indicator.
NOTE
Pay special attention to terminals and sockets
in 6-pin power connector and sockets B1 and
B3 of 30-pin vehicle harness.
(1)
Turn ENGINE switch OFF.
(2)
Check terminals at vehicle connectors
(both ECM and harness side) for damage,
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.
2-101
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