Navistar International DT 466 Diagnostic/Troubleshooting Manual page 220

216
Figure 274 Close session
7. When finished with this test, close the VIN+
session. Select Session from menu bar, then
Close.
Possible Causes
• Injector wiring harness open or shorted
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
6 PERFORMANCE DIAGNOSTICS
•
•
•
•
•
•
Hard Start and No Start Only
•
•
•
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
Under Valve Cover (UVC) wiring
Valve cover gasket
Faulty wiring harness connection on injector coil
Failed injector coil
Failed Injector Drive Module (IDM)
Failed ECM (not sending test request to IDM)
Faulty wiring CAN2 datalink
Faulty wiring IDM power and ground
Faulty wiring IDM main power relay