Product Details

 
 
1997-2003 Navistar T444 Electronic Diagnostic Manual (1997 print)
Item: TMEG190
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Overview

Factory printed version.  OEM factory Navistar T444 electronic diagnostic manual. For engines w/ engine mounted ECM.  
 
Model years: 1997 thru 2003

 

Engine serial number: 634234 & up (T444 only)

 

Coverage includes:

Section 1  Engine Control System Overview

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

Section 2 Mechanical Diagnostics

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

Section 3 Electronic Control System Diagnostics

  • Electronic Control System Diagnostic Form
  • Flash Code Circuit Index
  • Sensor and Actuator Locations
  • Sensor and Actuator Diagnostic Procedures
  • Circuit Function and Diagnostics
  1. Accelerator Pedal Position Sensor / Idle Validation Switch
  2. ATA Communications
  3. Barometric Pressure Sensor
  4. Brake Switch Circuits
  5. Camshaft Position Sensor
  6. Change Oil Lamp
  7. Exhaust Bach Pressure Sensor
  8. Engine Crank Inhibit
  9. Engine Coolant Level System for Engine Protection
  10. Electronic Control Module Self Diagnostics
  11. Electronic Control Module Power Supply
  12. Engine Coolant Temperature Sensor
  13. Engine Data Line Circuits w/ Allison AT/MT Transmissions
  14. Engine Fan Control 15. Engine Oil Pressure Sensor
  15. Engine Oil Temperature Sensor
  16. Exhaust Back Pressure Regulator
  17. Glow Plug Control
  18. Hydraulic Pressure Governor
  19. Intake Air Temperature Sensor
  20. Injection Control Pressure Sensor
  21. Injector Drive Circuits
  22. Injection Pressure Regulator 2
  23. Injection Pressure Regulation System
  24. Idle Shut-Down Timer
  25. Manifold Absolute Pressure Sensor
  26. Oil Water Lamp / Engine Warning & Protection
  27. Remote Accelerator Pedal Sensor
  28. Remote PTO Controls
  29. Radiator Shutter Enable
  30. Speed Control Command Switches and PTO Controls
  31. Self Test Input Switch and Engine Warning Light
  32. Tachometer Input Circuits
  33. Two Speed Axle Circuit
  34. Voltage Reference Circuit
  35. Vehicle Retarder
  36. Vehicle Speed Signal

1997-2003 Navistar T444 Electronic Diagnostic Manual