538 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
Harness Resistance Checks – VGT Actuator to ECM (Connect Turbo Breakout Harness t
o engine wiring
harness only. Connect breakout box X1 to engine wiring harness only.)
3toX1-18
<5Ω If > 5 Ω, check for open in VGT actuator control.
1
Connector 9260 is a 2-wire connector usually located in the battery box. Pin A is the chassis ground connection for
the ECM and IDM. Refer to truck Chassis Electrical Circuit Diagram M
anual for complete chassissideECMandIDM
ground circuit information.
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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