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TM 9-2320-360-20-1
CAUTION
Use jumper wire only between terminals
Indicated. Failure to comply may result in
damage to DDEC components or wiring.
CONTINUITY TEST
(1)
Pull out circuit breakers to ECM.
(2)
Disconnect vehicle harness and 6-way
power harness connectors at ECM.
(3)
Read resistance between sockets D2
and B3 of vehicle harness connector.
(4)
Read resistance between socket D2 on
vehicle harness connector and sockets
A, B, E, and F on 6-way power harness
connector.
Check terminals at ECM vehicle harness connector
(both ECM and harness side) for damage; bent,
corroded, and unseated pins and 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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