Autel MaxiCheck Pro Manual

Autel Ikke kategoriseret MaxiCheck Pro

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Trademarks
Autel®, MaxiSys®, MaxiDAS®, MaxiScan®, MaxiTPMS®, MaxiRecorder®, and
MaxiCheck® are trademarks of Autel Intelligent Technology Corp., Ltd., registered in
China, the United States and other countries. All other marks are trademarks or
registered trademarks of their respective holders.
Copyright Information
No part of this manual may be reproduced, stored in a retrieval system or transmitted,
in any form or by any means, electronic, mechanical, photocopying, recording, or
otherwise without the prior written permission of Autel.
Disclaimer of Warranties and Limitation of Liabilities
All information, specications and illustrations in this manual are based on the latest
information available at the time of printing. Autel reserves the right to make changes
at any time without notice. While information of this manual has been carefully checked
for accuracy, no guarantee is given to the completeness and correctness of the contents,
including but not limited to the product specifications, functions, and illustrations.
Autel will not be liable for any direct damages or for any special, incidental, or indirect
damages or for any economic consequential damages (including the loss of prots).
IMPORTANT: Before operating or maintaining this unit, please read this manual
carefully, paying extra attention to the safety warnings and precautions.
For Services and Support:
pro.autel.com
www.autel.com
1-855-288-3587/1-855-AUTELUS (North America)
0086-755-86147779 (China)
Support@autel.com
For technical assistance in all other markets, please contact your local selling agent.
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Safety Precautions and Warnings
To prevent personal injury or damage to vehicles and/or the scan
tool, read this instruction manual rst 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 re extinguisher suitable for gasoline/chemical/ electrical
res nearby.
Don’t connect or disconnect any test equipment while the ignition
is on or the engine is running.
Keep the s tool dry, clean, free from oil/water or grease. Use can
a mild detergent on a clean cloth to clean the outside of the scan
tool, when necessary.
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Table of Contents
1. USING THE MANUAL ................................................................... 1
1.1 C ONVENTIONS .................................................................................... 1
2. GENERAL INFORMATION ......................................................... 3
2.1 O -B D N OARD IAGNOSTICS (OBD) II ................................................... 3
2.2 O R ............................................................................ 3 IL/SERVICE ESET
2.3 EPB .................................................................................................... 4
2.4 ABS SRS S ..................................................................... 4 AND YSTEMS
2.5 SAS R ....................................................................................... 4 EVIEW
2.6 DPF R EVIEW ....................................................................................... 5
2.7 BMS R ..................................................................................... 7 EVIEW
3. USING THE SCAN TOOL ............................................................. 8
3.1 T D OOL ESCRIPTION ............................................................................ 8
3.2 S PECIFICATIONS ................................................................................ 10
3.3 A CCESSORIES NCLUDEDI .................................................................. 10
3.4 K ....................................................................................... 10 EYBOARD
3.5 P .............................................................................................. 10 OWER
3.6 S S YSTEM ETUP.................................................................................. 11
3.7 V C EHICLE OVERAGE......................................................................... 15
3.8 P T RODUCT ROUBLESHOOTING .......................................................... 17
4. PLAYBACK DATA ....................................................................... 18
4.1 R D .................................................................................. 18 EVIEW ATA
4.2 D D ................................................................................... 19 ELETE ATA
4.3 P D ...................................................................................... 19 RINT ATA
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5. OBD II DIAGNOSTICS ................................................................ 20
5.1 R C ..................................................................................... 21 EAD ODES
5.2 E C ................................................................................... 24 RASE ODES
5.3 L D ........................................................................................ 25 IVE ATA
5.4 F F ................................................................................. 31 REEZE RAME
5.5 R ETRIEVE EADINESS TATUSI/M R S .................................................. 32
5.6 M O2 ONITOR ESTT ........................................................................... 35
5.7 O -B M N OARD ONITOR ESTT .............................................................. 37
5.8 C T ............................................................................ 39 OMPONENT EST
5.9 V V IEW EHICLE NFORMATIONI .......................................................... 41
5.10 M ODULES RESENTP .......................................................................... 42
5.11 DTC L ................................................................................... 43 OOKUP
6. BMS ................................................................................................. 46
6.1 G B ENERAL ATTERY NFORMATIONI .................................................. 46
6.2 B O ATTERY PERATION ....................................................................... 46
6.3 C - LOSE CIRCUIT URRENTC ................................................................ 60
6.4 A CTIVATE EST TATER S ..................................................................... 62
6.5 C HARGING ATTERY VIA IAGNOSTIC OCKETB D S ............................... 64
6.6 A B UXILIARY ATTERY ....................................................................... 65
7. OIL RESET .................................................................................... 71
7.1 G I ENERAL NFORMATION................................................................... 71
7.2 R O ESET PERATION ............................................................................ 71
8. EPB .................................................................................................. 79
8.1 EPB S ..................................................................................... 79 AFETY
8.2 EPB M AINTENANCE ......................................................................... 79
8.3 ABS M AINTENANCE ......................................................................... 88
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9. ABS/SRS .......................................................................................... 91
9.1 V S EHICLE ELECTION ......................................................................... 91
9.2 ABS D IAGNOSTICS ........................................................................... 97
9.3 SRS D IAGNOSTICS .......................................................................... 104
10. SAS (STEERING ANGLE SENSOR) CALIBRATION ........... 111
10.1 R C ................................................................................... 113 EAD ODES
10.2 E C ................................................................................. 114 RASE ODES
10.3 F F REEZE RAME ATAD ..................................................................... 115
10.4 L D ...................................................................................... 116 IVE ATA
10.5 U .......................................................................................... 118 TILITY
11. DPF SERVICE ............................................................................. 122
11.1 DPF S ................................................................................... 122 AFETY
11.2 DPF D IAGNOSTICS .......................................................................... 124
11.3 R C ................................................................................... 125 EAD ODES
11.4 E C ................................................................................. 125 RASE ODES
11.5 L D ...................................................................................... 126 IVE ATA
11.6 I DENTIFICATION A .......................................................................... 128
11.7 D PF ERVICE UNCTIONSS F .............................................................. 129
12. PRINT AND UPDATE ................................................................ 151
12.1 P D .................................................................................... 151 RINT ATA
12.2 S U ........................................................................ 152 OFTWARE PDATE
13. WARRANTY AND SERVICE.................................................... 158
13.1 L IMITED NE EAR ARRANTYO Y W .................................................... 158
13.2 S ERVICE ROCEDURESP .................................................................... 158
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1. Using the Manual
This manual contains device usage instructions.
Some illustrations shown in this manual may contain modules and
optional equipment that are not included on your system. Contact your
sales representative for availability of other modules and optional
tools or accessori . es
1.1 Conventions
The following conventions are used.
Bold Text
Bold emphasis is used to highlight selectable items such as buttons
and menu options.
Example:
Tap OK.
Terminology
The term select means highlighting a button or menu item and
tapping it to confirm the selection.
Notes and Important Messages
The following messages are used.
Notes
A NOTE provides helpful information such as additional explanations,
tips, and comments.
Important
IMPORTANT indicates a situation which, if not avoided, may result
in damage to the test equipment or vehicle.
Hyperlinks
Hyperlinks, or links, that take you to other related articles, procedures,
and illustrations are available in electronic documents. Blue colored
text indicates a selectable hyperlink.
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Illustrations
Illustrations used in this manual are samples, the actual testing screen
may vary for each vehicle being tested. Observe the menu titles and
on-screen instructions to make correct option selection.
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2. General Information
2.1 -Board Diagnostics (OBD) II On
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
that 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.
2.2 Oil/Service Reset
The Engine Oil Life System calculates when to change the engine oil
and filter based on vehicle use. An oil change is required whenever
indicated by the display and according to the recommended
maintenance schedule. Whenever the oil is changed, reset the system
so it can calculate when the next oil change is required. If a situation
occurs where the oil is changed prior to a service indicator being
turned on, also reset the system.
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2.3 EPB
The EPB is a system which controls the brake force by pulling the
parking cable as in conventional existing parking brakes. EPB system
includes a DC motor, a gearbox, a screw, a nut, a current sensor, a
Hall-effect force sensor, an acceleration sensor and an ECU.
Generally, if a driver or a high level system operates the EPB system,
the controller calculates a target force from the parking cable based on
the car mass as well as the inclination of the road as measured by the
acceleration sensor. The EPB increases the brake force by pulling the
parking cable using the DC motor until the brake force reaches the
target force. Brake force is measured by the Hall-effect force sensor.
2.4 ABS and SRS Systems
ABS - Anti-lock Braking System in most vehicles is made up of an
electronic hydraulic pump of two, three or most commonly four Wheel
Speed Sensors (WSS), a G-force sensor, a Vehicle Speed Sensor and
an ABS Control Module (EBCM). The EBCM is constantly
monitoring the WSS, the Vehicle Speed Sensor, and the G-sensor.
Diagnosing an ABS problem should always start with a visual
inspection of all brake components, then you will need to retrieve ABS
DTCs to tell you where the problem is.
SRS - Supplemental Restraint System is made up of Impact Sensors,
a Control Module, and Airbags. When the impact sensors detect a
collision they send an extremely fast signal to the control module,
which relays that signal to the airbags, deploying them to help prevent
vehicle occupants from hitting interior objects such as steering wheels,
dashboards, and the like. When the control module detects a problem
with the airbags or sensors the Malfunction Indicator Light (MIL) will
turn on.
2.5 SAS Review
SAS Steering Angle Sensor, , measures the rotation angle, angle
velocity and direction of the steering wheel, providing information on
the direction in which the driver wishes to go. Steering angle sensors
are required for systems such as ESC and are also used in electric
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power steering and active steering systems (EPS or AFS) as well as
parking assistance systems and curve lights.
A scan tool can be used to obtain these data in degrees. The SAS is
located in a sensor cluster in the steering column. The cluster always
has more than one steering position sensor for redundancy and to
confirm data. The ESC module must receive two signals to confirm
the steering wheel position. These signals are often out of phase with
each other.
Many vehicles require the SAS be reset or recalibrated after an
alignment is performed or parts in the steering system are replaced.
There are three types of reset procedures, systems that self calibrate
on their own, vehicles that require specific wires or buttons be pressed
and, systems that require recalibration with a scan tool.
Self-Calibration
Some newer vehicles can auto calibrate by having the wheel turned
from lock to lock and then centered and cycling the key.
Scan Tool Steering Angle Sensor Reset
There are many options for scan tools to reset SASs. Some tools are
even integrated into an alignment system. But, most tools recommend
that the calibration be performed on a level surface. Also, it is a good
idea to perform a lock- -lock turn to complete the calibration. to
2.6 DPF Revi ew
A Diesel Particulate Filter, often referred to as the DPF is a device
designed and integrated into the Diesel Engine Exhaust Systems to
trap and remove Diesel Particulate Matter or Soot from the exhaust
gasses of the diesel engine. A DPF works in conjunction with the
oxidation catalyst EGR valve to remove a majority of the NOx, and
particulate matter and unburned hydrocarbons from burned diesel fuel.
The result of DPF is greater economy, improved smoothness and a
reduction of harmful emissions.
The soot trapped in DPF will partially block your DPF causing the
DPF/CAT light to illuminate on the dash (normally when 45%
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blockage is reached) at which point regeneration is required to get the
DPF back in to safety zone.
DPF Light ON
When the DPF light appears on the dash intermittently, this means
there is a partial blockage in your DPF and a regeneration process is
required. If you ignore it and keep on driving, eventually it will stay
on permanently and in most severe cases brings on the Engine
Management Light and even the Coil Light. If this happens, you will
lose all power and the vehicle will fall into Limp Mode .
Regeneration Process
Regeneration is the DPF s way to clear the blockage through
continuously burning it at higher temperatures and allowing the now
harmless produce to escape through the exhaust system. There are two
types of regeneration processes for vehicles.
Passive Regeneration
Passive regeneration is an automated regeneration which often occurs
on drives where there is prolonged high exhaust temperatures, for
example, on motorway-type runs. This needs no intervention from the
engine control unit. ECM monitors driving style and selects a suitable
time to employ regeneration. Regeneration continues until ECM
calculates that all the soot has been burned. But sometimes the
required long journey motorway-type trip necessary to complete a
passive regeneration of the DPF system is not attained, the
regeneration fails. So manufacturers have had to adapt the technology
and design an active regeneration process controlled by the ECM.
Active Regeneration
When the diesel particulate (soot) loading in the DPF reaches a pre-
set limit (normally around 45%), the ECU will make minor
adjustments to the fuel injection timing system which will in turn
increase the exhaust temperatures and help initiate the DPF
regeneration process. This is a smart way of getting a motorway-type
temperature to build up inside the DPF system and begin a full
regeneration to bring the unit back to good health.
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2.7 BMS Review
The battery management system (BMS) is a critical electronic system
of vehicle that monitors and manages a rechargeable battery. The
purpose of the BMS is to guarantee safe and reliable battery operation
by monitoring and evaluating the battery states, including state of
charge, state of health, and state of life, controlling the charging and
discharging of the battery, balancing the cell etc. As an
electrochemical product, a battery acts dierently under different
operational and environmental conditions.
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3. Using the Scan Tool
3.1 Description Tool
1) CONNECTOR -- Connects the scan tool to the vehicle’s Data
Link Connector (DLC).
2) EXTERNAL DC POWER PORT Connects the 12 volt power
adapter to power the tool when disconnected from the vehicle.
3) Indicates test results. TFT color display (320 LCD DISPLAY --
x 240 dpi).
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4) FUNCTION BUTTON Corresponds with buttons on screen “ ”
for executing commands.
5) ESC BUTTON Cancels a selection (or action) from a -- an
menu or returns to the previous screen.
6) HELP BUTTON Provides help information and Code --
Breaker function.
7) UP SCROLL BUTTON Moves up through menu and --
submenu items in menu mode. When more than one screen of
data is retrieved, moves up through the current screen to the
previous screens for additional data. When looking up DTC, it is
used to change value of selected character.
8) DOWN SCROLL BUTTON -- Moves down through menu
and submenu items in menu mode. When more than one screen
of data is retrieved, moves down through the current screen to
next screens for additional data. When looking up DTC, it is used
to change value of selected character.
9) LEFT SCROLL BUTTON -- When look up DTC
denitions, moves to previous character and views additional
information on previous screens if DTC denition covers more
than one screen; views previous screen or previous frames of
recorded data. It is also used to view previous trouble code when
viewing DTCs.
10) RIGHT SCROLL BUTTON When look up DTC --
denitions, moves to next character and view additional
information on next screens if DTC denition covers more than
one screen; views next screen or next frames of recorded data.. It
is also used to view next trouble code when viewing DTCs.
11) Conrms a selection (or action) from a OK BUTTON -- an
menu.
12) USB CONNECTOR -- Connects the scan tool to the PC for
printing.
13) SD CARD SLOT Holds the System SD card.
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3.2 Specications
1) Display: TFT color display (320 x 240 dpi)
2) Operating Temperature: C to 6C (32°F to 140°F)
3) Storage Temperature: -2 C to 70°C (-4°F to 158°F)
4) External Power: 12.0 V to 18.0 V power provided via vehicle
battery or adapter.
5) Dimensions:
Length Width Height
212 mm (8.35 110.5 mm (4.35 37.5 mm (1.48 ”) ”) ”)
6) Weight: 0.28 kg (without wire) 0.484 kg (with wire)
3.3 Accessories Included
1) OBD CableII Provides power to tool and communicates --
between tool and vehicle.
2) USB Cable Used to print retrieved data. --
3) Contains the scan tool s operation software and SD Card --
applications.
4) Carry Case -- A hard case to store the scan tool when not in use.
3.4 Keyboard
No solvents such as alcohol are allowed to clean the keypad or display.
Use a mild nonabrasive detergent and a soft cotton cloth. Do not soak
the keypad as the keypad is not waterproof.
3.5 Power
Before using the scan tool, you must provide power to the scan tool.
There are two methods for providing power to the scan tool.
DC external power adapter.
Cable connection to vehicle.
During vehicle testing, power for the scan tool is usually provided
through the vehicle cable connection. When the scan tool is not
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connected to a vehicle, the scan tool can be powered with an AC/DC
external power adapter.
While the scan tool is powered via the vehicle Data Link Connector
(DLC), just follow the steps below to turn on the scan tool:
1) Connect the Cable to s tool. can
2) Find DLC on vehicle.
A plastic DLC cover may be found for some vehicles and you
need to remove it before plugging the OBD cable. II
3) Plug the c able to the vehicle’s DLC.
4) Power up the scan tool, and wait for the to appear Main Screen
(Figure 3.1).
Figure 3.1
3.6 System Setup
The System Setup functions allow you to adjust default settings and
view information about the scan tool.
1) Selects the desired language. Language:
2) Sets the unit of measure to English or Metric. Unit of Measure:
3) Turns on/o beep. Beep Set:
4) Checks if the LCD display is working properly. LCD Test:
5) Checks if the keyboard is working properly. Key Test:
6) Provides information of the scan tool. About:
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Settings of the unit will remain until change to the existing
settings is made.
To Enter the Setup Menu
From the U Main Screen: se LEFT/RIGHT scroll button to select
Setup, and press the OK button. Following the instructions to do
adjustments and settings could make your diagnosis more
conveniently and easily (Figure 3.2).
Figure 3.2
Language Setup
English is the default language.
1) From System Setup screen, use the UP/DOWN scroll button and
LEFT/RIGHT scroll button to select , and press the Language
OK button.
2) Use the UP/DOWN scroll button to select the desired language
and press the button to save your selection and return to OK
previous screen ( ). Figure 3.3
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1) From System Setup screen, use the UP/DOWN scroll button and
LEFT/RIGHT Beep scroll button to select and press the OK
button.
2) From menu, use the scroll button to Beep Set LEFT/RIGHT
select or to turn on/o the beep (Figure 3.5).ON OFF
Figure 3.5
3) Press the button to save your selection and return to the OK
previous menu. Or, press the button to exit without saving. ESC
Key Test
Th Key Test function if the keyboard is working properly. e checks
1) From System Setup screen, use the UP/DOWN scroll button and
LEFT/RIGHT scroll button to select t, and press the Key Tes
OK button.
2) Press any key to start test. When you press a key, the edge around
corresponding key on the screen should turn to red. Otherwise,
the key is not functioning properly.
3) Double press ESC to return to previous menu.
LCD Test
The function che s if the LCD display is working LCD Test ck
normally.
1) From System Setup screen, use the UP/DOWN scroll button and
LEFT/RIGHT scroll button to select , and press the LCD Test
OK button.
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2) Look for missing spots in the red, green, blue, black and white
LCD display.
3) When completed, press the button to exit. ESC
About
The function allows viewing of some important information About
such as serial number and software version number of the scanner.
1) From System Setup screen, use the UP/DOWN scroll button and
LEFT/RIGHT scroll button to select and press the About OK
button; wait for the About screen to appear.
2) View tool information on screen (Figure 3.6). Press the ESC
button to exit.
Figure 3.6
3.7 Vehicle Coverage
On the basis of all OBD II compliant vehicles, including those
equipped with universal protocol Control Area Network (CAN)-- ,
MaxiCHECK Series Scanner s vehicle system coverage and expand
oers more diagnostic power to the vehicle technicians. Featuring
expanded global vehicle coverage, the scan tool oers technicians a
signicant improvement on model years covered by supported
manufactures. In addition to adding new vehicle coverage through
2011/2012, we’ve also worked backwards to include non-OBD II
vehicles, which can be diagnosed by setting up with optional OBD I
adaptors.
For OBD II Diagnostics: 1996 and newer vehicles.
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For Oil Light/Service Reset: ACURA, HONDA, INFINITI, ISUZU,
LEXUS, NISSAN, SCION, TOYOTA, ABARTH, ALFA ROMEO,
AUDI, BENZ, BMW, CITROEN, FIAT, JAGUAR, LANCIA, LAND
ROVER, MINI, OPEL, PEUGEOT, SAAB, SMART, SPRINTER,
VOLKSWAGEN, VOLVO, CHRYSLER, FORD, GM, JEEP,
LINCOLN, MERCURY, OIDSMOBILE
For EPB Service: HONDA, TOYOTA, AUDI, BENZ, BMW,
CITROEN, JAGUAR, LANDROVER, OPEL, PEUGEOT,
RENAULT, VOLKSWAGEN, VOLVO.
For ABS/SRS : GM, CHRYSLER, FORD, AUDI, ABARTH, ALFA,
BENZ, BMW, BENTLEY, BUGATTI, CITROEN, DACIA, EU
FORD, FIAT, JAGUAR, LANDROVER, LANCIA, MINI,
MAYBACH, OPEL, PEUGEOT, PORSCHE, RENAULT, SAAB,
SMART, SEAT, SKODA, SPRINTER, VOLKSWAGEN,
VAUXHALL, VOLVO, AU FORD, HOLDEN, ACURA, DAEWOO,
HONDA, HYUNDAI, ISUZU, INFINITI, KIA, LEXUS, MAZDA,
MITSUBISHI, NISSAN, SCION, SUBARU, SUZUKI, TOYOTA.
For SAS: AU FORD, ACURA, HONDA, HYUNDAI, INFINITI,
KIA, LEXUS, NISSAN, SCION, SUBARU, SUZUKI, TOYOTA,
ABARTH, ALFA, BENZ, BMW, CITROEN, DACIA, EU FORD,
FIAT, JAGUAR, LANCIA, LAND ROVER, MINI, MAYBACH,
OPEL, PEUGEOT, RENAULT, VAUXHALL, FORD, CHRYSLER,
GM
For DPF: CITROEN, PEUGEOT, BMW, RENAULT, ALFA, BENZ,
EU FORD, FIAT, JAGUAR, LANCIA, LAND ROVER, MINI,
OPEL, VAUXHALL, FORD, CHRYSLER, GM, AU FORD,
ACURA, HONDA, INFINITI, LEXUS, MAZDA, NISSAN, SCION,
TOYOTA.
For BMS: VOLKSWAGEN, FORD, BMW, LAND ROVER,
SKODA, SEAT, MINI, JAGUAR, BUGATTI, BENTLEY, AUDI.
18
4. Playback Data
The Playback Data function allows viewing data from last test
recorded by the scan tool.
NOTE: The amount of les that can be saved depends on the
space available in the SD card.
4.1 Review Data
1) Use the / scroll button to select from LEFT RIGHT Playback
Main Screen (Figure 3.1), and press the OK button. Wait for the
Review data screen to appear. The recorded les are identied
by dierent diagnostic functions, such as OBD II diagnostics,
OilReset, ABS/SRS, EPB, SAS DPF and will be saved in and
corresponding folders.
Figure 4.1
2) Select the desired item you want to review and press button OK
to continue.
If no data from previously tested vehicle is recorded, a
message No data available shows on the screen.
19
Figure 4.2
3) Use the UP/DOWN scroll button to select the desired item on the
screen, and press the button. OK
Figure 4.3
4.2 Delete Data
By selecting on the screen, you are allowed to erase the Delete
selected data on the scan tool. Review the recordings thoroughly
before erasing. You could also erase all recordings by select Delete
All.
NOTE: Don’t use Delete All unless you are denitely sure what
you are going to proceed.
4.3 Print Data
Print option allows you to print the recorded les to your computer
and then to the printer.
For more details, please refer to chapter 12.1 Print Data.
20
5. OBD II Diagnostics
The OBD II Diagnostics function is a fast-access option that allows
you to carry out a quick test on the engine system of OBD II
vehicles.
When more than one vehicle control module is detected by the
scan tool, you will be prompted to select the module where the
data may be retrieved. The most often to be selected are the
Powertrain Control Module [PCM] and Transmission Control
Module [TCM].
CAUTION: Don’t connect or disconnect any test equipment with
ignition on or engine running.
1) Turn the ignition o.
2) Locate the vehicle’s 16-pin Data Link Connector (DLC).
3) Plug the s tool cable connector can into the vehicle’s DLC.
4) Turn the ignition on. Engine can be o or running.
5) Select OBD II Main Screenfrom the (Figure 3.1).
6) Press the button to wait for the Menu to appear. A sequence OK
of messages displaying the OBD II protocols will be observed on
the display until the vehicle protocol is detected.
If the scan tool fails to communicate with the vehicle’s ECU
(Engine Control Unit) more than three times, a “LINKING
ERROR!” message shows up on the display.
Verify that the ignition is ON.
Check if the scan tool’s OBD II connector is securely
connected to the vehicle’s DLC.
Verify that the vehicle is OBD compliant. II
Turn the ignition o and wait for about 10 seconds. Turn the
ignition back to on and repeat the procedure from step 5.
If the “LINKING ERROR” message does not go away, then
there might be problems for the scan tool to communicate with
21
the vehicle. Contact your local distributor or the
manufacturer’s customer service department for assistance.
7) View a summary of system status (MIL status, DTC counts,
Monitor status) on screen ( Press button for Figure 5.1). OK
Diagnostic Menu (Figure 5.3) to come up.
Figure 5.1
If more than one module is detected, you will be prompted
to select a module before testing.
Figure 5.2
Use the UP/DOWN scroll button to select a module and
press the button. OK
5.1 Read Codes
Reading Codes can be done with the key on engine o (KOEO)
or with the key on engine running (KOER).
Stored Codes are s , which are fault also known as “hard code
22
code code ves, or trouble s that ha been stored in the vehicle
computer memory because the faults reoccurred for more have
than a specied amount of key-cycles. These codes will cause
the control module to illuminate the malfunction indicator light
(MIL) when emission-related fault occurs.
Pending Codes are salso referred to as “maturing code or
“continuous monitor code ”. s They indicate problems that the
control module has detected during the current or last driving
cycle but are not considered serious yet. Pending Codes will not
turn on the malfunction indicator lamp (MIL). If the fault does
not occur within a certain number of warm-up cycles, the code
clears from memory.
Permanent Codes are DTCs that are are “confirmed” and
retained in the non-volatile memory of the computer until the
appropriate monitor for each DTC has determined that the
malfunction is no longer present and is commanding the not
MIL on. Permanent DTC shall be stored in non-volatile
memory and may not be erased by any diagnostic services or by
disconnecting power to ECU.
1) Use scroll button to select from UP/DOWN Read Codes
Diagnostic Menu and press the button. OK
Figure 5.3
2) Use the scroll button to select UP/DOWN Stored Codes or
Pending Codes from the menu and press the Read Codes OK
button.
23
Figure 5.4
If there not any Diagnostic Trouble Code, the display is
indicates No (pending) codes are stored in the module!
Wait a few seconds or press any key to return to the previous
screen.
NOTE: Permanent Codes function is available for merely
vehicles supporting the CAN protocols.
3) View DTCs and their denitions on screen.
4) If more than one DTC found, use the is UP/DOWN scroll button
to check all the codes.
If retrieved DTCs contain any manufacturer specic or
enhanced codes, Manufacturer specic codes are found! a
Press any key to select vehicle make! message comes up
prompting you to select vehicle manufacturer to view DTC
denitions. Use UP/DOWN scroll button to select
manufacturer and then press the button to confirm. OK
Figure 5.5
24
If the manufacturer of your vehicle is not listed, use the
UP/DOWN scroll button to select and press the Other OK
button.
5.2 Erase Codes
CAUTION: Erasing the Diagnostic Trouble Codes may allow the
s t -board can ool to delete not only the codes from the vehicle’s on
computer, but also “Freeze Frame” data and manufacturer specific
enhanced data. Further, the I/M Readiness Monitor Status for all
vehicle monitors is reset to Not Ready or Not Complete status. Do not
erase the codes before the system has been checked completely by a
technician.
NOTE: Erasing codes does not mean that trouble codes in ECU
have been eliminated completely. As long as there is fault with
the vehicle, the trouble codes keeps on presenting.
This function is performed with key on engine o (KOEO) Do .
not start the engine.
1) U the scroll buttons to select from se UP/DOWN Erase Codes
Diagnostics Menu and press the button ( ). OK Figure 5.3
2) A warning message comes up asking for your conrmation
(Figure 5.6).
Figure 5.6
If you do not want to proceed with erasing codes, press ESC
button or select to exit and return to previous screen. NO
3) Press the button to conrm. OK
25
If the codes are cleared successfully, an Erase Done!
conrmation message shows on the display (Figure 5.7).
Figure 5.7
If the codes are not cleared, then an Erase Failure. Turn
Key on with Engine o! message appears (Figure 5.8) .
Figure 5.8
4) Press button to return to any Diagnostic Menu.
5.3 Live Data
In this function, you can not only read the live data but also record
data for later review.
View Data
The View Data function allows viewing of live or real time PID data
of vehicle’s computer module(s).
26
1) To view live data, use the UP/DOWN scroll button to select Live
Data Diagnostic Menu from and press the OK button (Figure
5.3).
2) Wait a few seconds while the s tool validates the PID MAP can
(Figure 5.9).
Figure 5.9
View Complete List
1) To view complete set of data, use scroll button to UP/DOWN
select from menu and press the Complete List Live Data OK
button (Figure 5.10).
Figure 5.10
2) View live PIDs on the screen. U the se UP/DOWN scroll button
for more PIDs if additional information is available on more than
one page (Figure 5.11).
29
The number to the right of selected item indicates sequence
of this item.
If you want to deselect the item, press button. Clear
To select all the items on the screen, press Select All button.
To clear all the selected items on the screen, press Clear All
button.
3) Press the button to view selected PIDs on screen. OK
Figure 5.15
4) Use the button to return to the previous menu. ESC
Record Data
The Record Data function allows recording vehicle modules
Parameter Identication (PID) data to help diagnose intermittent
vehicle problems. You could save data les to the SD card and then
use the Playback function to view the saved les.
NOTE: The length of time for each frame varies per vehicle.
Generally, one frame of data is about 1/4 second, or 4 frames per
second.
1) To record live data, with the live data screen displaying, select
Save on the bottom. The scan tool will start timing to record
retrieved live data and PID graphs.
If you record live data under text mode, following screen
shows:
32
Figure 5.19
If there is no available freeze frame data, an advisory
message No freeze frame data stored! shows on the
display.
4) Select Save to record freeze frame. A confirming message “Save
success! shows on the display scan tool return to previous and
menu.
5) If you don t want to save the freeze frame data, press ESC button
to return to previous screen.
5.5 Retrieve I/M Readiness Status
I/M Readiness function is used to check the operations of the
Emission System on OBD compliant vehicles. It is an excellent II
function to use prior to having a vehicle inspected for compliance
to a state emission program.
CAUTION: By clearing trouble codes you also clear the readiness
status for the individual emission system readiness tests. In order to
rese these monitors, the vehicle must be driven through a complete t
drive cycl with no trouble codes in memory. Times for reset vary e
depending on vehicl e.
Some latest vehicle models may support two types of I/M Readiness
tests:
A. Since DTCs Cleared - indicates status of monitors since the
DTCs are erased.
33
B. This Drive Cycle - indicates status of monitors since the
beginning of the current drive cycle.
An I/M Readiness Status result of “NO” does not necessarily
indicate that the vehicle being tested will fail the state I/M
inspection. For some states, one or more such monitors may be
allowed to be “Not Ready” to pass the emission inspection.
OK Indicates that a particular monitor being checked has --
completed its diagnostic testing.
INC -- Indicates that a particular monitor being checked has
not completed its diagnostic testing.
N/A The monitor is not supported on that vehicle. --
1) Use the scroll button to select I/M Readiness from UP/DOWN
Diagnostic Menu and press OK button ( ). Figure 5.3
2) Wait a few seconds while the s tool validates the PID MAP. can
3) If the vehicle supports both types of tests, then both types will be
shown on the screen for selection (Figure 5.20).
Figure 5.20
4) Use the UP/DOWN scroll button, as necessary, to view the status
of the MIL light (“ ”) and the following monitors:ON or OFF
For spark ignition engines:
MIS -- Misfire Monitor
FUEL -- Fuel System Monitor
34
CCM -- Comprehensive Component Monitor
EGR EGR System Monitor
O2S -- O2 Sensors Monitor
CAT -- Catalyst Monitor
EVAP -- Evaporative System Monitor
HTR -- O2 Sensor Heater Monitor
AIR -- Secondary Air Monitor
HCAT -- Heated Catalyst Monitor
For compression ignition engines:
MIS -- Misre Monitor
FUEL -- Fuel System Monitor
CCM -- Comprehensive Component Monitor
EGR EGR System Monitor
HCCAT -- NMHC Catalyst Monitor
NCAT -- NOx Aftertreatment Monitor
BP -- Boost Pressure System Monitor
EGS -- Exhaust Gas Sensor Monitor
PM -- PM Filter Monitor
Figure 5.21
1) If the vehicle supports readiness test of , a “ ”This Drive Cycle
screen of the following displays: (Figure 5.22)
35
Figure 5.22
2) Use the UP/DOWN scroll button for more PIDs if additional
information is available on more than one page. Or use the
LEFT/RIGHT scroll button to view PIDs in the previous/next
page.
3) Press the button to return to ESC Diagnostic Menu.
5.6 O2 Monitor Test
OBD regulations set by SAE require that relevant vehicles II
monitor and tests on the oxygen (O2) sensors to identify problems
related to fuel efficiency and vehicle emissions. These tests are not
on-demand tests and they are done automatically when engine
operating conditions are within specified limits. These test results
are saved in the on-board computer's memory.
The O2 Monitor Test function allows retrieval and viewing of O2
sensor monitor test results for the most recently performed tests
from the vehicle's on-board computer.
The O2 Monitor Test function is not supported by vehicles which
communicate using a controller area network (CAN). For O2
Monitor Test results of CAN-equipped vehicles, see chapter On-
Board Monitor Test.
1) Use the UP/DOWN scroll button to select O2 Monitor Test from
Diagnostic Menu and press OK button (Figure 5.3).
2) Wait a few seconds while the s tool validates the PID MAP. can
3) Use the scroll button to select O2 sensor fro UP/DOWN m O2
37
5) Use the UP/DOWN scroll button to view more screens of data if
additional information is available in more than one page.
6) Press the button to return to the previous menu. ESC
5.7 -Board Monitor Test On
The -Board Monitor Test is useful after servicing or after On
erasing a vehicle’s control module memory. The -Board On
Monitor Test for non- -equipped vehicles retrieves and CAN
displays test results for emission-related power train components
and systems that are not continuously monitored. The -Board On
Monitor Test for CAN-equipped vehicles retrieves and displays
test results for emission-related power train components and
systems that are and are not continuously monitored. Test and
components IDs are determined by the vehicle manufacturer.
In this test, there are typically a minimum value, a maximum value,
and a current value for each monitor. By comparing the current value
with the minimum and maximum value, the scan tool will determine
if it is OK.
1) Use the scroll button to select UP/DOWN On-Board Monitor
Test Diagnostic Menu from and press the OK button (Figure
5.3).
2) Wait a few seconds while the s tool validates the PID MAP. can
3) The scan tool will prompt you to select the vehicle make.
Figure 5.26
4) After you select the vehicle manufacturer, the scan tool shows the
38
On-Board Monitors tests for specic monitoring systems.
5) From On-Board Monitor Test menu, use the UP/DOWN scroll
button to select a test to view and press the button. OK
Figure 5.27
If the vehicle under test does not support the mode, an
advisory message will be displayed on the screen.
Figure 5.28
For CAN-equipped vehicles, test selections can be as below:
Figure 5.29
53
Figure 6.14
2) Read carefully the information on the screen with the
UP/DOWN scroll button.
Figure 6.15
The option keys at the bottom of the screen work as below:
[1] Enter the battery replacement with the same capacity
[2] Enter the battery replacement with the different capacity
[3] Enter the battery replacement changing from the normal lead-
acid battery (white housing) to AGM battery (black housing)
[4] End service function
If the replaced battery has the same capacity with the original one,
select [ with the 1] LEFT/RIGHT scroll button and press the OK
button to continue.
Register battery replacement
The battery replacement is entered
in the DME/DDE in the next test step!
The engine does not have to be
running and terminal 15 on.
Attention! The entry cannot be
cancelled!


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Model: MaxiCheck Pro

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