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Mack V-MAC II Electronic Control System Diagnostic Manual Download
We Offers manuals high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
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:
DESCRIPTION AND OPERATION
V-MAC II Module
Fuel Injection Pump
Fuel Rack Actuator
ECONOVANCE Timing Advance Mechanism
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
Shutdown Override Switch
Torque Limiting Switch
Electronic Malfunction Lamp
Shutdown Indicator Lamp and Alarm
V-MAC II Module Connectors
Fuel Injection Pump Connector
Serial Communication Port
31- and 23-Pin Bulkhead Connectors
MAJOR FUNCTIONS CHART
Speed Control/Cruise Control
Road Speed Limiting
Engine Protection Shutdown
Accessory Relay Control
ON/OFF Fan Control
DIAGNOSTIC TOOLS & PROCEDURES
SAE/ATA Serial Line
J 1708 Serial Data Link Adaptor
J 38500-63 Serial Link Jumper
DIAGNOSTIC BLINK CODES
Determining Diagnostic Blink Codes
Diagnostic Blink Code Identification Chart
Determining That a Fault Exists
Locating Diagnostic Blink Code Information
Performing Diagnostic Tests
Wire and Connectors
V-MAC II Module
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
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
SWITCH CIRCUIT FAILURE
SYMPTOM RELATED TROUBLESHOOTING CHART
REPAIR AND ADJUSTMENT PROCEDURES
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
Using the J 35688 Crimping Tool
CLUTCH SWITCH ADJUSTMENT
RESETTING LOW IDLE SPEED
V-MAC I AND II E7 ENGINE PARAMETERS (1995 AND LATER)
SAE MESSAGE DESCRIPTIONS
Covers: Mack V-MAC II (2) electronic control system diagnostics
Format: PDF file
Note: Instant digital download only – no printed copy or CD-ROM media.