464 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
connector 9260) using DMM
using D MM.
Connect ICP sensor to UVC connection. Use the EST to clear DTCs. If test results are to spec for all test
conditions, but an active code remains, replace sensor.
NOTE: If all tests are to specification, but DTCs return after valve cover is torqued down, replace the valve
cover gasket.
1
Connector 9260 is a 2-wi r e connector usually lo c ated in the battery box. Pin A is the chassis ground connection for the
ECM and IDM. See truck Chassis Electrical Circuit D iag ram Manual fo
r complete chassis side ECM and IDM 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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