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7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
The ECM and ESC use the Drivetrain Datalink to
provide the instrument panel with status information
on the following features.
•
Cruise control ON/OFF
•
Cruise control Set / Cruise
•
Cruise control resume / accelerate
•
Driveline Disengagement Switch (DDS)
•
Brake pedal
•
AC demand
•
Self-test input
•
Remote Accelerator Pedal (RPS)
•
In-Cab PTO / Throttle switch
Fault Detection / Management
There
are
no
engine
communications.
See truck Electrical System
Troubleshooting Guide.
Tools
•
EST with MasterDiagnostics® software
•
EZ-Tech® interface cable
•
Digital Multimeter (DMM)
CAN Pin-Point Diagnostics
Figure 405 CAN communication circuit diagram
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
DTCs
for
CAN
1
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
349
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