Navistar T444 Electronic Diagnostic Manual 1997-2003

Factory printed version. OEM factory Navistar T444 electronic diagnostic manual. For engines with an engine mounted ECM.
Navistar T444 Electronic Diagnostic Manual 1997-2003
Model Years:
1997 thru 2003
Engine serial numbers:
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
- Accelerator Pedal Position Sensor / Idle Validation Switch
- ATA Communications
- Barometric Pressure Sensor
- Brake Switch Circuits
- Camshaft Position Sensor
- Change Oil Lamp
- Exhaust Bach Pressure Sensor
- Engine Crank Inhibit
- Engine Coolant Level System for Engine Protection
- Electronic Control Module Self Diagnostics
- Electronic Control Module Power Supply
- Engine Coolant Temperature Sensor
- Engine Data Line Circuits w/ Allison AT/MT Transmissions
- Engine Fan Control 15. Engine Oil Pressure Sensor
- Engine Oil Temperature Sensor
- Exhaust Back Pressure Regulator
- Glow Plug Control
- Hydraulic Pressure Governor
- Intake Air Temperature Sensor
- Injection Control Pressure Sensor
- Injector Drive Circuits
- Injection Pressure Regulator 2
- Injection Pressure Regulation System
- Idle Shut-Down Timer
- Manifold Absolute Pressure Sensor
- Oil Water Lamp / Engine Warning & Protection
- Remote Accelerator Pedal Sensor
- Remote PTO Controls
- Radiator Shutter Enable
- Speed Control Command Switches and PTO Controls
- Self Test Input Switch and Engine Warning Light
- Tachometer Input Circuits
- Two Speed Axle Circuit
- Voltage Reference Circuit
- Vehicle Retarder
- Vehicle Speed Signal
1997-2003 Navistar T444 Electronic Diagnostic Manual
Manuals normally ship out within 24 hours.
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