540
7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
The system has two V
REF
•
V
A for engine sensors
REF
•
V
B for chassis sensors
REF
NOTE: See truck Chassis Electrical Circuit Diagram
Manual for APS and BAP sensor circuit diagrams.
V
Circuit Operation
REF
Figure 506 V
circuit diagram
REF
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
circuits:
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
EGES-270-1