Autel MaxiScan MS309 Bruksanvisning
Autel
Inte kategoriserad
MaxiScan MS309
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CONTENTS
SAFETY PRECAUTIONS AND WARNINGS.............................................................. 1
1 GENERAL INFORMATION ........................................................................... 2
ON-BOARD DIAGNOSTICS (OBD) II .................................................................... 2
DIAGNOSTIC TROUBLE CODES (DTCS) .............................................................. 2
LOCATION OF THE DATA LINK CONNECTOR (DLC) ............................................... 3
OBD II READINESS MONITORS .......................................................................... 4
OBD II MONITOR READINESS STATUS................................................................ 5
OBD II DEFINITIONS ........................................................................................ 5
2 USING THE CODE READER ....................................................................... 7
TOOL DESCRIPTION ......................................................................................... 7
SPECIFICATIONS .............................................................................................. 8
ACCESSORIES INCLUDED .................................................................................. 8
NAVIGATION CHARACTERS ................................................................................ 8
VEHICLE POWER .............................................................................................. 8
PRODUCT SETUP ............................................................................................. 9
VEHICLE COVERAGE ...................................................................................... 11
3 OBD II DIAGNOSTICS ............................................................................... 13
READ CODES ................................................................................................ 14
ERASE CODES .............................................................................................. 15
VIEW FREEZE FRAME DATA ............................................................................. 16
RETRIEVE I/M READINESS STATUS .................................................................. 18
VIEW VEHICLE INFORMATION ........................................................................... 20
EXIT OBDII TEST .......................................................................................... 22
4 WARRANTY AND SERVICE ...................................................................... 23
LIMITED ONE YEAR WARRANTY ....................................................................... 23
SERVICE PROCEDURES .................................................................................. 23

1
Safety Precautions and Warnings
To prevent personal injury or damage to vehicles and/or the code reader,
read this instruction manual first and observe the following safety
precautions at a minimum whenever working on a vehicle:
Always perform automotive testing in a safe environment.
Wear safety eye protection that meets ANSI standards.
Keep clothing, hair, hands, tools, test equipment, etc. away from all
moving or hot engine parts.
Operate the vehicle in a well ventilated work area: Exhaust gases are
poisonous.
Put blocks in front of the drive wheels and never leave the vehicle
unattended while running tests.
Use extreme caution when working around the ignition coil, distributor
cap, ignition wires and spark plugs. These components create
hazardous voltages when the engine is running.
Put the transmission in PARK (for automatic transmission) or NEUTRAL
(for manual transmission) and make sure the parking brake is engaged.
Keep a fire extinguisher suitable for gasoline/chemical/ electrical fires
nearby.
Don’t connect or disconnect any test equipment while the ignition is on
or the engine is running.
Keep the code reader dry, clean, free from oil/water or grease. Use a
mild detergent on a clean cloth to clean the outside of the code reader,
when necessary.

2
1 General Information
On-Board Diagnostics (OBD) II
The first generation of On-Board Diagnostics (called OBD I) was
developed by the California Air Resources Board (ARB) and implemented
in 1988 to monitor some of the emission control components on vehicles.
As technology evolved and the desire to improve the On-Board Diagnostic
system increased, a new generation of On-Board Diagnostic system was
developed. This second generation of On-Board Diagnostic regulations is
called “OBD II”.
The OBD II system is designed to monitor emission control systems and
key engine components by performing either continuous or periodic tests of
specific components and vehicle conditions. When a problem is detected,
the OBD II system turns on a warning lamp (MIL) on the vehicle instrument
panel to alert the driver typically by the phrase of “Check Engine” or
“Service Engine Soon”. The system will also store important information
about the detected malfunction so
t
h
at a
technician can accurately find and
fix the problem. Here below follow three pieces of such valuable information:
1) Whether the Malfunction Indicator Light (MIL) is commanded ‘on’ or ‘off’;
2) Which, if any, Diagnostic Trouble Codes (DTCs) are stored;
3) Readiness Monitor status.
Diagnostic Trouble Codes (DTCs)
OBD II Diagnostic Trouble Codes are codes that are stored by the on-
board computer diagnostic system in response to a problem found in the
vehicle. These codes identify a particular problem area and are intended to
provide you with a guide as to where a fault might be occurring within a
vehicle. OBD II Diagnostic Trouble Codes consist of a five-digit
alphanumeric code. The first character, a letter, identifies which control
system sets the code. The other four characters, all numbers, provide
additional information on where the DTC originated and the operating
conditions that caused it to set. Here below is an example to illustrate the
structure of the digits:
Produktspecifikationer
Varumärke: | Autel |
Kategori: | Inte kategoriserad |
Modell: | MaxiScan MS309 |
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