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 TM 9-2320-364-20-1
DDEC ECM connector terminals are easily
damaged. Use care when connecting and
disconnecting terminals.
VISUAL INSPECTION
(1) Check terminals at engine harness
connector (DDEC ECM and harness
side) for damage; bent, corroded and
unseated pins or terminals.
(a) If harness connector is damaged,
repair connector (Para 7-101) and
perform Steps (2) and (3) below.
(b) If DDEC ECM connector is
damaged, replace DDEC ECM
(Para 7-56).
(c) If DDEC harness and ECM
connectors are OK, replace DDEC
ECM (Para 7-56).
(2) Connect engine harness connector to
DDEC ECM and tighten screw.
(3) Close top engine access cover.
VERIFY REPAIR
(1) Turn ON ENGINE switch
(TM 9-2320-364-10).
(2) Clear codes on DDR (Para 2-24).
(3) If CEL does not stay ON, start engine
and run for 8 minutes or until CEL
comes ON.
(a) If CHECK ENGINE light comes on
for about five seconds and then
goes off, fault has been corrected.
Perform Steps (4) and (5) below.
(b) If CHECK ENGINE light comes on
and stays on, perform Steps (4)
and (5) below and go to Fault
Index (Table 2-16).
(4) Turn OFF ENGINE switch.
(5) Disconnect DDR from DDL connector
MC13.
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