Name: Navistar INTERNATIONAL HT 570
Brand: Navistar
Rating: 5 (1 reviews)

Diagnostic/Troubleshooting Manual I3

Table of Contents9

3 Diagnostic Software Operation 6569

4 Engine Symptoms Diagnostics 99103

Table of Contents145

Table of Contents207

Table of Contents283

Description287
- Section Information287
Electronic Control System Diagnostics Form288
- EGED-285 Diagnostic Form Example288
Sensor and Actuator Locations289
- Engine Mounted Components289
- Vehicle Mounted Components292
Diagnostic Procedures for Sensors and Actuators292
- Pin Grip Inspection292
- Operational Diagnostics293
- Pin-Point Diagnostics294
Circuit Diagnostics297
- AMS (Air Management System)297
  - AMS Operation298
- APS/IVS (Accelerator Position Sensor and Idle Validation Switch)304
- ATA Datalink (American Trucking Association)313
  - ATA Circuit Operation314
  - ATA Pin-Point Diagnostics316
- BAP Sensor (Barometric Absolute Pressure)318
  - BAP Circuit Operation319
  - BAP Pin-Point Diagnostics320
- BCP Sensor (Brake Control Pressure)322
- Brake Shut-Off Valve338
- Brake Switch Circuit351
- Brake Switch Operation351
CAN Communications (Controller Area Network)352
- CAN Pin-Point Diagnostics353
CKP Sensor (Crankshaft Position)355
- CKP Circuit Operation356
- CKP Pin-Point Diagnostics357
CMP Sensor (Camshaft Position)359
- CMP Circuit Operation360
- CMP Pin-Point Diagnostics361
EBP Sensor (Exhaust Back Pressure)363
- EBP Circuit Operation364
- EBP Operational Diagnostics365
- EBP Pin-Point Diagnostics368
ECI System (Engine Crank Inhibit)370
- ECI Circuit Diagnostics372
ECL Sensor (Engine Coolant Level)374
- ECL Circuit Operation375
- ECL Pin-Point Diagnostics376
ECM / IDM Communications (Electronic Control Module / Injector Driver Module)377
- ECM / IDM Circuit Operation378
- ECM / IDM Pin-Point Diagnostics380
ECM PWR (Electronic Control Module Power)385
- ECM PWR Circuit Operation386
- ECM PWR Pin-Point Diagnostics388
ECM Self Diagnostics (Electronic Control Module)392
- ECM Self Diagnostic Trouble Codes (Dtcs)393
ECT Sensor (Engine Coolant Temperature)395
- ECT Circuit Operation397
- ECT Operational Diagnostics398
- ECT Pin-Point Diagnostics400
EFAN Control (Engine Fan Control)402
- Fan Clutch Circuit Operation403
- Fan Clutch Pin-Point Diagnostics404
- Fan Air Solenoid Circuit Operation407
- Fan Air Solenoid Pin-Point Diagnostics408
EFP Sensor (Engine Fuel Pressure - Optional)410
- EFP Circuit Operation411
- EFP Operational Diagnostics412
- EFP Pin-Point Diagnostics414
EGR Actuator (Exhaust Gas Recirculation)417
- EGR Circuit Operation418
- EGR Pin-Point Diagnostics421
EOP Sensor (Engine Oil Pressure)430
- EOP Circuit Operation431
- EOP Operational Diagnostics432
- EOP Pin-Point Diagnostics435
EOT Sensor (Engine Oil Temperature)437
- EOT Circuit Operation438
- EOT Operational Diagnostics440
- EOT Pin-Point Diagnostics442
EWPS (Engine Warning and Protection System)444
- EWPS Operational Diagnostics445
- IAH System (Inlet Air Heater)448
  - IAH Circuit Operation449
  - IAH Pin-Point Diagnostics451
- IAT Sensor (Intake Air Temperature)455
- ICP Sensor (Injection Control Pressure)461
- ICP System (Injection Control Pressure)476
  - ICP System Operation476
- IDM PWR (Injection Driver Module Power)483
  - IDM PWR Circuit Operation484
  - IDM PWR Pin-Point Diagnostics486
- INJ Circuits (Injector Drive)493
  - INJ Circuit Operation493
  - INJ Pin-Point Diagnostics494
- IPR (Injection Pressure Regulator)498
  - IPR Circuit Operation499
  - IPR Pin-Point Diagnostics500
- IST System (Idle Shutdown Timer)501
  - IST Operation501
- MAP Sensor (Manifold Absolute Pressure)504
- MAT Sensor (Manifold Air Temperature)512
- RSE (Radiator Shutter Enable)518
  - RSE Circuit Operation519
  - RSE Pin-Point Diagnostics520
- SCCS (Speed Control Command Switches)523
  - SCCS Circuit Operation523
- Tachometer Output Circuit526
  - Tachometer Pin-Point Diagnostics527
- VGT Actuator (Variable Geometry Turbocharger)528
  - VGT Circuit Operation530
  - VGT Pin-Point Diagnostics532
- (Reference Voltage)543
- Ref543
- VSS (Vehicle Speed Sensor)548

8 Diagnostic Tools and Accessories 555559

11 Appendix A: Dt 466 Performance Specifications 2004 593 Model Year597

Table of Contents621

Navistar INTERNATIONAL HT 570 User Manual

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Brand	Navistar
Model	INTERNATIONAL HT 570
Category	Engine
Language	English