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Autel Autolink AL539B User Manual

Autel Autolink AL539B
93 pages
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Table of Contents
1. SAFETY PRECAUTIONS AND WARNINGS ............................................ 1
2. GENERAL INFORMATION ...................................................................... 2
2.1 ON-BOARD DIAGNOSTICS (OBD) II ........................................................... 2
2.2 DIAGNOSTIC TROUBLE CODES (DTCS) ...................................................... 2
2.3 LOCATION OF THE DATA LINK CONNECTOR (DLC) ................................... 3
2.4 OBD II READINESS MONITORS ................................................................. 4
2.5 OBD II MONITOR READINESS STATUS ...................................................... 5
2.6 OBD II DEFINITIONS ................................................................................ 6
2.7 OBD II MODES OF OPERATION ................................................................. 7
3. USING THE SCAN TOOL ........................................................................ 10
3.1 TOOL DESCRIPTION ................................................................................ 10
3.2 SPECIFICATIONS ..................................................................................... 12
3.3 ACCESSORIES INCLUDED ......................................................................... 13
3.4 NAVIGATION CHARACTERS ..................................................................... 13
3.5 KEYBOARD ............................................................................................. 13
3.6 POWER AND CHARGE ............................................................................... 14
3.7 DTC LOOKUP ......................................................................................... 16
3.8 SYSTEM SETUP ........................................................................................ 17
3.9 VEHICLE COVERAGE............................................................................... 27
3.10 PRODUCT TROUBLESHOOTING ................................................................ 28
4. REVIEW DATA......................................................................................... 30
5. OBDII DIAGNOSTICS.............................................................................. 31
5.1 READING CODES ..................................................................................... 33
5.2 ERASING CODES...................................................................................... 35
5.3 LIVE DATA ............................................................................................. 37
5.4 VIEWING FREEZE FRAME DATA .............................................................. 49
5.5 RETRIEVING I/M READINESS STATUS ...................................................... 50
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Autel Autolink AL539B Specifications

General IconGeneral
Storage Temperature-20°C to 70°C (-4°F to 158°F)
Display2.8 inch color LCD
Operating Temperature0°C to 50°C
Supported ProtocolsISO9141
FeaturesLive data
CompatibilityWorks with most OBD II compliant vehicles
ConnectivityUSB

Summary

Safety Precautions and Warnings

General Information

On-Board Diagnostics (OBD) II

Explains the second generation of On-Board Diagnostics systems and their purpose.

Diagnostic Trouble Codes (DTCs)

Defines Diagnostic Trouble Codes, their structure, and purpose in identifying vehicle faults.

Location of the Data Link Connector (DLC)

Details the standard location of the 16-cavity connector used for scan tool interface.

OBD II Readiness Monitors

Describes Readiness Monitors, indicators of emissions component evaluation by the OBD II system.

OBD II Monitor Readiness Status

Explains how OBD II systems indicate component testing completion and readiness status.

OBD II Definitions

Provides definitions for key OBD II terms like PCM, MIL, DTC, and Enabling Criteria.

OBD II Modes of Operation

Introduces the OBD II communication protocol and describes diagnostic modes.

Using the Scan Tool

Tool Description

Provides a detailed overview of the scan tool's physical components and their functions.

Accessories Included

Lists all items included with the scan tool package for different models.

Navigation Characters

Explains special characters used for navigating the scan tool interface.

Keyboard

Provides instructions on cleaning and care of the scan tool's keypad.

Power and Charge

Details the methods for powering on the scan tool and charging its battery.

DTC Lookup

Explains how to search for definitions of Diagnostic Trouble Codes (DTCs) and code breaker information.

System Setup

Guides users through adjusting settings like language, units, and beep preferences.

Vehicle Coverage

Specifies the types of vehicles and model years supported by the scan tool for OBD II diagnostics.

Product Troubleshooting

Offers solutions for common problems encountered while using the scan tool, such as linking errors.

Review Data

Review Data

Explains how to view data recorded from previous tests on the scan tool.

OBDII Diagnostics

Reading Codes

Details how to read stored, pending, and permanent Diagnostic Trouble Codes (DTCs).

Erasing Codes

Provides instructions on how to erase trouble codes and related data from the vehicle's computer.

Live Data

Describes how to view and record live or real-time PID data from the vehicle's computer modules.

Viewing Freeze Frame Data

Explains how to view vehicle operating parameters captured when a DTC was detected.

Retrieving I/M Readiness Status

Details how to check emission system readiness status for state inspections.

O2 Monitor Test

Explains how to retrieve and view O2 sensor monitor test results.

On-Board Monitor Test

Guides users on retrieving and viewing test results for non-continuously monitored emission systems.

Component Test

Describes how to initiate a leak test for the vehicle's EVAP system.

Viewing Vehicle Information

Explains how to retrieve vehicle identification and calibration data using Mode 9.

Modules Present

Details how to view module IDs and communication protocols for OBD2 modules in the vehicle.

Ready Test

General Information

Explains the purpose of the Ready Test function for emission test readiness.

Ready test application

Describes how to use the Ready Test function as a post-repair diagnostic tool.

LED and Tone Interpretation

Explains the meaning of LED indicators and audio tones used in the Ready Test function.

Circuit Test Function

AUTO

Describes the AUTO mode for circuit testing, which automatically selects functions based on circuit conditions.

DC Voltage

Explains how to measure DC voltage with the scan tool.

AC Voltage

Explains how to measure AC voltage with the scan tool.

Continuity

Details how to check circuit continuity using the scan tool.

Diodes

Explains how to test diodes and read their forward voltage drop.

Current Measurement

Describes how to measure current in 0-20A and 0-200mA ranges.

Start Test

Starter Test

Explains how to test the vehicle's starting system by measuring cranking voltage.

Charging System Test

Guides users on testing the vehicle's charging system, including alternator and battery health.

Battery Test - Only for AL539b

Print Data

Warranty and Service

Limited One Year Warranty

Outlines the terms and conditions of the one-year limited warranty for the product.

Service Procedures

Provides information on how to obtain service or contact customer support for the product.

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