1993-1997 Navistar T444 Electronic Diagnostics Manual


SKU: TMEG1251 Category:

Why risk a failed repair? Why not use official factory information? With this
factory manual you can be sure that you’re getting the correct information. Is it worth taking the chance?

Factory printed manual.  OEM factory Navistar T444  Electronic Diagnostics Manual.
  • Model Years:  1993-1997
  • Serial numbers: 000500 thru 634233


Coverage includes:

Section 1

  • Fuel Supply System Injection
  • Control Pressure System Injector Operation
  • Exhaust Back Pressure Device
  • Electronic Control Module
  • Injector Drive Module
  • Sensor Operation
  • Vehicle Features
  • Diagnostic Software
  • Self-test Operation

Section 2

  • Diagnostic Forms
  • Hard Start / No Start Diagnostics
  • Performance Diagnostics
  • Performance Specifications

Section 3

  • Electronic Control System Diagnostics
  • Electronic Control System Diagnostic Flash Codes
  • Circuit Index Sensor and Actuator Locations
  • Sensor and Actuator Diagnostic Procedures
  • Circuit Function and Diagnostics
  1. Accelerator Pedal Position Sensor / Idle Validation Switch
  2. Barometric Pressure Sensor
  3. Brake Switch / Relay Circuits
  4. Camshaft Position Sensor
  5. Data Communication Links
  6. Exhaust Bach Pressure Sensor
  7. Engine Crank Inhibit
  8. Engine Coolant Level System for Engine Protection
  9. Electronic Control Module Self Diagnostics
  10. ECM/IDM Communications
  11. Electronic Control Module Power Supply
  12. Engine Coolant Temperature Sensor
  13. Engine Data Line Circuits w/ Allison AT/MT Transmissions
  14. Engine Oil Pressure Sensor
  15. Engine Oil Temperature Sensor
  16. Exhaust Back Pressure Regulator
  17. Glow Plug Control
  18. Intake Air Temperature Sensor
  19. Injection Control Pressure Sensor
  20. Injector Driver Module Power Circuits
  21. Injector Drive Circuits
  22. Injector Pressure Regulator
  23. Keep Alive Memory Power
  24. Manifold Absolute Pressure Sensor
  25. Speed Control Command Switches and PTO Controls
  26. Self Test Input Switch and Engine Warning Light
  27. Tachometer Input Circuits
  28. Two Speed Axle Circuit
  29. Voltage Reference Circuits
  30. Vehicle Personality Module Fuel/Hour Meter and Odometer
  31. Vehicle Speed Signal
  32. Connector End Views and Pin-Outs

Section 4 Supplemental Diagnostic Analysis

Section 5 Diagnostic Tool Use Section

Section 6 Connector and Harness Repair Section

Section 7 Vehicle and Component Illustrations

Section 8 Glossary of Technical Terms

Manufacturer reserves the right to make changes without prior notice.

1993-1997 Navistar T444  Electronic Diagnostics Manual

Manuals normally ship out within 24 hours.


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