280 7 ELECTRONIC CONTROL SYSTEMS DIAGNOSTICS
Brake Switch Operation...........................................................................347
CAN Communications (Controller Area Network)......................................................348
CAN Pin-Point Diagnostics.......................................................................349
CKP Sensor (Crankshaft Position)........................................................................351
CKP Circuit Operation.............................................................................352
CKP Pin-Point Diagnostics........................................................................353
CMP Sensor (Camshaft Position)..........................................................................355
CMP Circuit Operation.............................................................................356
CMP Pin-Point Diagnostics.. . ....................................................................357
EBP Sensor (Exhaust Back Pressure)....................................................................359
EBP Circuit Operation............................................................................. 360
EBP Operational Diagnostics.....................................................................361
EBP Pin-Point Diagnostics........................................................................364
ECI System (Engine Crank Inhibit)........................................................................366
ECI Circuit Diagnostics............................................................................368
ECL Sensor (Engine Coolant Level)......................................................................370
ECL Circuit Operation..............................................................................371
ECL Pin-Point Diagnostics........ ........... ......... . . ........ . . . ........ . . .......... .......... .372
ECM / IDM Communications (Electronic Control Module / Injector Driver Module) . . . ...........373
ECM / IDM Circuit Operation......................................................................374
ECM / IDM Pin-Point Diagnostics................................................................376
ECM PWR (Electronic Control Module Power)......... ........ . ........ . ....... . . ...... . . ...... . . ......381
ECM PWR Circuit Operation......................................................................382
ECM PWR Pin-Point Diagnostics................................................................384
ECM Self Diagnostics (Electronic Control Module)....................................................388
ECM Self Diagnostic Trouble Codes (DTCs).. ...... . ...... . ..... . ...... ...... ...... . . .... . . ...389
ECT Sensor (Engine Coolant Temperature).............................................................391
ECT Circuit Operation..............................................................................393
ECT Operational Diagnostics.....................................................................394
ECT Pin-Point Diagnostics........ ........... ......... . . ........ . . . ........ . . .......... .......... .396
EFAN Control (Engine Fan Control).......................................................................398
Fan Clutch Circuit Operation.....................................................................399
Fan Clutch Pin-Point Diagnostics................................................................400
Fan Air Solenoid Circuit Operation..............................................................403
Fan Air Solenoid Pin-Point Diagnostics........................................................404
EFP Sensor (Engine Fuel Pressure – optional).........................................................406
EFP Circuit Operation..............................................................................407
EFP Operational Diagnostics.....................................................................408
EFP Pin-Point Diagnostics........................................................................410
EGR Actuator (Exhaust Gas Recirculation).............................................................413
EGR Circuit Operation.............................................................................414
EGR Pin-Point Diagnostics.......................................................................417
EOP Sensor (Engine Oil Pressure)........................................................................426
EOP Circuit Operation.............................................................................427
EOP Operational Diagnostics.....................................................................428
EOP Pin-Point Diagnostics........................................................................431
EOT Sensor (Engine Oil Temperature)....................................................................433
EOT Circuit Operation............................................................................. 434
EOT Operational Diagnostics.....................................................................436
EOT Pin-Point Diagnostics........................................................................438
EWPS (Engine Warning and Protection System).......................................................440
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.
To Next Page
Loading...
Need help?
General