Mack Truck V-MAC® II Service Manual(8-206) – PDF DOWNLOAD
FILE DETAILS:
Mack Truck V-MAC® II Service Manual(8-206) – PDF DOWNLOAD
Language : English
Pages : 263
Downloadable : Yes
File Type : PDF
Size: 15.7 MB
DESCRIPTION:
Mack Truck V-MAC® II Service Manual(8-206) – PDF DOWNLOAD
GENERAL INFORMATION
The V-MAC II (Vehicle Management and Control) system is an electronic engine control system consisting of the following components:
- V-MAC II module
- Fuel injection pump
- Fuel rack actuator
- ECONOVANCE®
To enable V-MAC II to perform the necessary engine management and control functions, the following sensors provide information to the system:
- Oil pressure sensor
- Intake-manifold air temperature sensor
- Coolant temperature sensor
- MPH sensor
- RPM/TDC (engine position) sensor
- Coolant level sensor
- Timing Event Marker (TEM) sensor
- Throttle position sensor
The following switches are used by the V-MAC II system:
Speed control ON/OFF switch
Combination SET/DECEL and RESUME/
ACCEL switch
Service brake switch
Parking brake switch
Clutch switch
PTO switches
Engine brake switch
Shutdown override switch
Torque limiting switch
To alert the driver to possible problems with the vehicle, the V-MAC II system uses the following lamps:
- Electronic malfunction lamp
- Shutdown lamp
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Mack Truck V-MAC® II Service Manual(8-206) – PDF DOWNLOAD
SAFETY INFORMATION iii
INTRODUCTION vii
DESCRIPTION AND OPERATION 1
GENERAL INFORMATION 2
COMPONENT DESCRIPTIONS 3
V-MAC II Module 3
Fuel Injection Pump 3
Fuel Rack Actuator 3
ECONOVANCE Timing Advance Mechanism 4
SYSTEM SENSORS 4
RPM/TDC (Engine Position) Sensor 4
MPH (Road Speed) Sensor 4
Timing Event Marker (TEM) 4
Coolant Temperature Sensor 5
Intake-Manifold Air Temperature Sensor 5
Engine Oil Pressure Sensor 5
Coolant Level Sensor 5
Throttle Position Sensor (TPS) 5
CAB AND DASHBOARD SWITCHES 5
Speed Control Switches 5
Informational Switches 5
Shutdown Override Switch 5
Torque Limiting Switch 5
SYSTEM LAMPS 6
Electronic Malfunction Lamp 6
Shutdown Indicator Lamp and Alarm 6
SYSTEM CONNECTORS 7
V-MAC II Module Connectors 7
Fuel Injection Pump Connector 10
Serial Communication Port 11
31- and 23-Pin Bulkhead Connectors 11
Sensor Connectors 11
MAJOR FUNCTIONS CHART 13
Fuel Control 13
Timing Control 13
Speed Control/Cruise Control 14
Road Speed Limiting 14
Engine Protection Shutdown 15
Idle Shutdown 15
Accessory Relay Control 15
ON/OFF Fan Control 15
DIAGNOSTIC TOOLS & PROCEDURES 17
DIAGNOSTIC SOFTWARE 18
Software Functions 18
SAE/ATA Serial Line 18
DIAGNOSTIC TOOLS 19
Digital Multimeter 20
Pro-Link 9000 20
IBM-Compatible PC 21
J 1708 Serial Data Link Adaptor 21
J 38500-63 Serial Link Jumper 21
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TABLE OF CONTENTS
xi
DIAGNOSTIC BLINK CODES 22
Determining Diagnostic Blink Codes 22
Diagnostic Blink Code Identification Chart 23
TROUBLESHOOTING PROCEDURES 25
Determining That a Fault Exists 25
Locating Diagnostic Blink Code Information 25
Performing Diagnostic Tests 25
SERVICE HINTS 26
Test Procedures 26
Wire and Connectors 27
System Components 27
V-MAC II Module 27
Engine Shutdown 28
BLINK CODE DIAGNOSTICS 29
DIAGNOSTIC BLINK CODE 1-1 OR 1-2 30
DIAGNOSTIC BLINK CODE 1-7 42
DIAGNOSTIC BLINK CODE 1-8 47
DIAGNOSTIC BLINK CODE 2-1 OR 2-2 51
DIAGNOSTIC BLINK CODE 2-3 OR 2-4 62
DIAGNOSTIC BLINK CODE 3-2 74
DIAGNOSTIC BLINK CODE 3-4 79
DIAGNOSTIC BLINK CODE 3-5 BASIC 84
DIAGNOSTIC BLINK CODE 3-5 ELECTRICAL 90
DIAGNOSTIC BLINK CODE 3-5 ADVANCED 96
DIAGNOSTIC BLINK CODE 4-1 4-2 OR 4-3 103
DIAGNOSTIC BLINK CODE 5-1 111
DIAGNOSTIC BLINK CODE 5-2 118
DIAGNOSTIC BLINK CODE 5-3 124
DIAGNOSTIC BLINK CODE 5-4 128
DIAGNOSTIC BLINK CODE 5-5 130
DIAGNOSTIC BLINK CODE 5-6 135
DIAGNOSTIC BLINK CODE 5-7 OR 5-8 138
DIAGNOSTIC BLINK CODE 5-9 OR 5-10 144
DIAGNOSTIC BLINK CODE 6-5 151
DIAGNOSTIC BLINK CODE 6-6 155
DIAGNOSTIC BLINK CODE 7-1 157
DIAGNOSTIC BLINK CODE 7-5 162
DIAGNOSTIC BLINK CODE 7-6 167
DIAGNOSTIC BLINK CODE 7-7 172
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xii
TABLE OF CONTENTS
SYMPTOM RELATED DIAGNOSTICS 175
BUFFERED MPH (SPEEDOMETER SIGNAL) 176
LOW COOLANT LEVEL 180
INTERMITTENT PROBLEMS 182
LOW OIL PRESSURE WITH DRIVER ALARM 184
INCORRECT OIL PRESSURE VERSUS GAUGE 186
INJECTION PUMP RPM (ENGINE SPEED) SENSOR 187
ENGINE BRAKE VERBAL COMPLAINT 188
BUFFERED RPM (TACH DRIVE OUTPUT) 198
ON/OFF FAN CONTROL VERBAL COMPLAINT 201
SWITCH CIRCUIT DIAGNOSTICS 210
Introduction 210
SWITCH CIRCUIT FAILURE 211
SYMPTOM RELATED TROUBLESHOOTING CHART 214
REPAIR AND ADJUSTMENT PROCEDURES 219
CONNECTOR REPAIR 220
Deutsch Connectors 220
V-MAC II Module Engine Oil Pressure Intake Manifold Temperature and
Coolant Temperature Sensors and Connectors 223
MPH RPM/TDC Throttle Position TEM Sensors and Connectors and Bulkhead
Connector 224
TERMINAL REPLACEMENT 225
Using the J 35688 Crimping Tool 225
Soldering Terminals 226
CLUTCH SWITCH ADJUSTMENT 228
SENSOR ADJUSTMENT 228
RPM/TDC Sensor 228
MPH Sensor 228
TEM Sensor 228
RESETTING LOW IDLE SPEED 228
SPECIFICATIONS 231
V-MAC I AND II E7 ENGINE PARAMETERS (1995 AND LATER) 232
SPECIAL TOOLS 233
TOOL LIST 234
SAE MESSAGE DESCRIPTIONS 235
COMMUNICATION STANDARDS 236
INDEX 243
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
S.M