MACK Trucks V-MAC II VMAC2 VMACII Service Manual

MACK TRUCKS V-MAC II VMAC2 VMACII SERVICE MANUAL

ISSUE: 1998

• DESCRIPTION AND OPERATION
• GENERAL INFORMATION
• COMPONENT DESCRIPTIONS
  • V-MAC II Module
  • Fuel Injection Pump
  • Fuel Rack Actuator
  • ECONOVANCE Timing Advance Mechanism
• SYSTEM SENSORS
  • RPM/TDC (Engine Position) Sensor
  • MPH (Road Speed) Sensor
  • Timing Event Marker (TEM)
  • Coolant Temperature Sensor
  • Intake-Manifold Air Temperature Sensor
  • Engine Oil Pressure Sensor
  • Coolant Level Sensor
  • Throttle Position Sensor (TPS)
• CAB AND DASHBOARD SWITCHES
  • Speed Control Switches
  • Informational Switches
  • Shutdown Override Switch
  • Torque Limiting Switch
• SYSTEM LAMPS
  • Electronic Malfunction Lamp
  • Shutdown Indicator Lamp and Alarm
• SYSTEM CONNECTORS
  • V-MAC II Module Connectors
  • Fuel Injection Pump Connector
  • Serial Communication Port
  • 31- and 23-Pin Bulkhead Connectors
  • Sensor Connectors
• MAJOR FUNCTIONS CHART
  • Fuel Control
  • Timing Control
  • Speed Control/Cruise Control
  • Road Speed Limiting
  • Engine Protection Shutdown
  • Idle Shutdown
  • Accessory Relay Control
  • ON/OFF Fan Control
• DIAGNOSTIC TOOLS & PROCEDURES
  • DIAGNOSTIC SOFTWARE
    • Software Functions
    • SAE/ATA Serial Line
  • DIAGNOSTIC TOOLS
    • Multimeter
    • Pro-Link 9000
    • IBM-Compatible PC
    • J 1708 Serial Data Link Adaptor
    • J 38500-63 Serial Link Jumper
  • DIAGNOSTIC BLINK CODES
    • Determining Diagnostic Blink Codes
    • Diagnostic Blink Code Identification Chart
  • TROUBLESHOOTING PROCEDURES
    • Determining That a Fault Exists
    • Locating Diagnostic Blink Code Information
    • Performing Diagnostic Tests
  • SERVICE HINTS
    • Test Procedures
    • Wire and Connectors
    • System Components
    • V-MAC II Module
    • Engine Shutdown
  • BLINK CODE DIAGNOSTICS
    • DIAGNOSTIC BLINK CODE 1-1 OR 1-2
    • DIAGNOSTIC BLINK CODE 1-7
    • DIAGNOSTIC BLINK CODE 1-8
    • DIAGNOSTIC BLINK CODE 2-1 OR 2-2
    • DIAGNOSTIC BLINK CODE 2-3 OR 2-4
    • DIAGNOSTIC BLINK CODE 3-2
    • DIAGNOSTIC BLINK CODE 3-4
    • DIAGNOSTIC BLINK CODE 3-5, BASIC
    • DIAGNOSTIC BLINK CODE 3-5, ELECTRICAL
    • DIAGNOSTIC BLINK CODE 3-5, ADVANCED
    • DIAGNOSTIC BLINK CODE 4-1, 4-2 OR 4-3
    • DIAGNOSTIC BLINK CODE 5-1
    • DIAGNOSTIC BLINK CODE 5-2
    • DIAGNOSTIC BLINK CODE 5-3
    • DIAGNOSTIC BLINK CODE 5-4
    • DIAGNOSTIC BLINK CODE 5-5
    • DIAGNOSTIC BLINK CODE 5-6
    • DIAGNOSTIC BLINK CODE 5-7 OR 5-8
    • DIAGNOSTIC BLINK CODE 5-9 OR 5-10
    • DIAGNOSTIC BLINK CODE 6-5
    • DIAGNOSTIC BLINK CODE 6-6
    • DIAGNOSTIC BLINK CODE 7-1
    • DIAGNOSTIC BLINK CODE 7-5
    • DIAGNOSTIC BLINK CODE 7-6
    • DIAGNOSTIC BLINK CODE 7-7
  • SYMPTOM RELATED DIAGNOSTICS
    • BUFFERED MPH (SPEEDOMETER SIGNAL)
    • LOW COOLANT LEVEL
    • INTERMITTENT PROBLEMS
    • LOW OIL PRESSURE WITH DRIVER ALARM
    • INCORRECT OIL PRESSURE VERSUS GAUGE
    • INJECTION PUMP RPM (ENGINE SPEED) SENSOR
    • ENGINE BRAKE VERBAL COMPLAINT
    • BUFFERED RPM (TACH DRIVE OUTPUT)
    • ON/OFF FAN CONTROL VERBAL COMPLAINT
    • SWITCH CIRCUIT DIAGNOSTICS
      • Introduction
      • SWITCH CIRCUIT FAILURE
    • SYMPTOM RELATED TROUBLESHOOTING CHART
    • REPAIR AND ADJUSTMENT PROCEDURES
      • CONNECTOR REPAIR
        • Deutsch Connectors
        • V-MAC II Module, Engine Oil Pressure, Intake Manifold Temperature, and Coolant Temperature Sensors and Connectors
        • MPH, RPM/TDC, Throttle Position, TEM Sensors and Connectors and Bulkhead Connector
      • TERMINAL REPLACEMENT
        • Using the J 35688 Crimping Tool
        • Soldering Terminals
      • CLUTCH SWITCH ADJUSTMENT
      • SENSOR ADJUSTMENT
        • RPM/TDC Sensor
        • MPH Sensor
        • TEM Sensor
      • RESETTING LOW IDLE SPEED
      • SPECIFICATIONS
        • V-MAC I AND II E7 ENGINE PARAMETERS (1995 AND LATER)
      • SPECIAL TOOLS
        • TOOL LIST
        • SAE MESSAGE DESCRIPTIONS
        • COMMUNICATION STANDARDS