284 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
Electronic Control System
Diagnostics Form
EGED-285 Diagnostic Form Example
Figure 363 EGED-285 (Front Side)
Engine diagnostic forms assist technicians in
troubleshooting International® diesel engines.
Diagnostic schematics and signal values help
technicians fi nd problems systematically and quickly
to avoid unnecessary repairs.
The front side of the Electronic Control System
Diagnostics form consists of a circuit diagram for
electrical components mounted on the engine side
and vehicle side. For detailed description of vehicle
circuits, circuit numbers, or connector and fuse
locations, see truck Chassis E lectrical Circuit Diagram
Manual and Electrical System Troubleshooting Guide.
The back side of the form consists of signal values.
NOTE: All recorded signal values are with the
breakout box ins ta lled o n th e ECM and harn ess.
Diagnostic Form EGED-285 is available in 50 sheet
pads. To order technical service literature, contact
your International dealer.
EGES-270-1
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
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