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 TM 9-2320-364-20-1
Allow engine to cool before performing
troubleshooting maintenance. If necessary
use insulated pads and gloves. Hot engine
components will burn and cause injury to
personnel.
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact
positive electrical circuits, a direct short
may result. Damage to equipment, injury or
death to personnel may occur.
DDEC ECM connector terminals are easily
damaged. Use care when connecting and
disconnecting connectors.
VISUAL INSPECTION
(1) Disconnect TPS harness
connector MC6.
(2) Inspect TPS connectors (sensor side
and harness side) for damage; bent,
corroded and unseated pins or
terminals.
(a) If vehicle connector is damaged,
repair connectors (Para 7-101) and
connect TPS harness connector
MC6.
(b) If vehicle connector are free of
damage, replace TPS (Para 7-58)
and connect TPS harness
connector MC6
VISUAL INSPECTION
(1) Loosen screw and disconnect vehicle
harness connector MC18 at DDEC
ECM.
(2) Check terminals at vehicle harness
connector (DDEC ECM and harness
side) for damage; bent, corroded and
unseated pins or terminals.
(a) If vehicle harness connector is
damaged, repair connector
(Para 7-101) and perform Step (3)
below.
(b) If DDEC ECM connector is
damaged, replace DDEC ECM
(Para 7-56).
(c) If vehicle harness connector and
ECM connectors are OK, replace
DDEC ECM (Para 7-56).
(3) Connect vehicle harness connector
MC18 to DDEC ECM and tighten
screw.
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