306 ENGINE ELECTRICAL
Removal
GOVERNMENT REGULAT ION: Engine
fluids (oil, fuel, and coolant) may be a hazard
to human health and the environment.
Handle all fluids and other contaminated
materials (e.g. filters, rags) in accordance
with applicable regulations. Recycle
or dispose of engine fluids, filters, and
other contaminated m aterials according to
applicable regulations.
WARNING: To prevent personal injury or
death, read all safety instructions in the “Safe
ty
Information” section of this manual.
WARNING: To prevent personal injury or
death, shift transmission to park or neutral,
set
parking brake, and block w heels before doing
diagnostic or service procedures.
WARNING: To prevent personal injury or
death, disconnect the main battery negative
terminal before disconnecting or connecting
electrical components.
WARNING: To prevent personal in
jury or
death, do not let engine fluids st
ay on your skin.
Clean skin and nails using hand
cleaner and was h
with soap and water. Wash or di
scard clothing
and rags contaminated with en
gine fluids.
CAUTION: To prevent engine
damage, make sure
the key is in the OFF positi
on before unplugging the
connector or relay for the
ECM, IDM, and EGR drive
module. Failure to turn t
he key to the OFF position
will cause a voltage spik
e and damage the electrical
components.
CAUTION: To prevent en
gine damage, do not tug on
wiring harnesses; if
resistance is felt, find the problem
and free connectors o
r clips.
Sensor Wiring Harness
Figure 450 Disconnecting the VGT connector
1. Disconnect the wiring harness connector from the
VGT actuator.
Figure 451 Disconnecting the CMP sensor
2. Disconnect the wiring harness connector from the
CMP sensor.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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