Mack V-MAC II Electronic Control System Diagnostic Manual Download

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This manual provides diagnostic and troubleshooting procedures for the Mack V-MAC II Electronic Control System. Use the Mack V-MAC III Electronic Control System Diagnostic Manual to diagnose fault codes. View the Mack V-MAC II Electronic Control System Diagnostic Manual on your computer/tablet or print off pages as needed.

Topics in the Mack V-MAC II Electronic Control System Diagnostic Manual:

INTRODUCTION
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
Digital Multimeter
Pro-Link 9000
IBM-Compatible PC
J 1708 Serial Data Link Adaptor
J 38500-63 Serial Link Jumper
Front
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
INDEX

Covers: Mack V-MAC II (2) electronic control system diagnostics
Pages: 263
Format: PDF file
Compatibility: Windows/Mac/Tablet
Note: Instant digital download only – no printed copy or CD-ROM media.