MUCAR CS4 Gebrauchsanweisung
MUCAR CS4
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Safety Precautions and Warnings
To avoid personal injury, property loss, or accidental damage to the product, read all of the
information in this section before using the product.
Handle equipment carefully
Do not drop, bend, or puncture the tool, or insert extra objects into or place heavy objects
on the device. The vulnerable components inside may be damaged.
Do not disassemble or modify the equipment
The device is a sealed device with no user-serviceable parts inside. All internal repairs
must be performed by an authorized maintenance organization or qualifi ed technician.
Attempts to disassemble or modify the device will void the warranty.
Do not try to replace the internal battery
The internal rechargeable lithium battery must be replaced by an authorized maintenance
organization or qualifi ed technician. Contact the dealer for factory replacement.
Adapter information
Avoid immersing the device in water or placing it in a location where it may absorb moisture or
other liquids.
During normal use, the charging device may become hot. Please ensure that there is good
ventilation while charging device.
If any of the following situation occurs, please unplug the charging device:
• The charging device is exposed to rain, liquid or in an environment with excessive
overlap.
• The charging device showed physical damage.
• The charging device is under cleaning.
Data and Software Protection
Do not delete unknown fi les or change the names of fi les or directories created by others,
otherwise the device software may not run.
！Note: Access to network resources makes the device vulnerable to computer viruses, hackers,
spyware, and other malicious behaviors, and may damage the device, software, or data. To make
ensure that you are using firewalls, anti-virus software and anti-spyware software to provide
adequate protection for your computer and keep these software up to date.
Precautions on Using this tool
• Make sure the ignition switch should be in the OFF position when plugging and
unplugging the diagnostic connector.
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• Keep the connector in the storage box on the back of the main unit, when the vehicle
diagnosis is fi nished.
• Gently press the diagnostic connector to pop up the diagnostic connector. Do not pull or
use sharp objects to pry the diagnostic connector.
Precautions on Operating Vehicle’s ECU
• Do not disconnect battery or any wiring cables in the vehicle when the ignition switch is
on, as this could avoid damage to the sensors or the ECU.
• Do not place any magnetic objects near the ECU. Disconnect the power supply to the
ECU before performing any welding operations on the vehicle.
• Be extremely careful when performing any operations near the ECU or sensors. Ground
yourself when you disassemble PROM, otherwise ECU and sensors can be damaged
by static electricity.
• When reconnecting the ECU harness connector, make sure it is attached fi rmly,
otherwise electronic elements, such as ICs inside the ECU, can be damaged.
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1 Quick Start Manual
1.1 Initial Use
The following settings should be made when you initially use the tool.
1.1.1 Turn on the Machine
After pressing the power button, images will be shown on the screen as follows.
1.1.2 Language Setting
Select the tool language from the languages displayed on the interface.
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1.1.3 Connect Wi-Fi
The system will automatically search all available Wi-Fi networks and you can choose the
Wi-Fi needed. If the chosen network is open, you can connect it directly; If the chosen
network is encrypted, you must enter the correct password. Then You can connect Wi-Fi
after clicking “connect”.
Tips: Wi-Fi must be set. If no Wi-Fi network is available nearby, you can enable "Portable Mobile Hotspot".
1.1.4 Choose Time Zone
Choose the time zone of the current location, then the system will automatically cofi gure
the time according to the time zone you choose.
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1.1.5 User Agreement
Please read all the terms and conditions of the user agreement carefully. Choose “Agree
all the above terms”, and click the “Agree” button to complete the registration process.
Then the page will jump to the “Congratulations on your successful registration” interface.
Initial settings are fi nished after the above steps. It will automatically jump to the work
interface after 3 seconds.
1.1.6 Create an Account
You need to register an account through your e-mail box. If you have owned other products
of MUCAR series, you can directly log in by using the account available.
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1.1.7 Typing in Business Information
Typing in the repair shop information, which will be shown in the diagnostic report.
2 General information
2.1 On-Board Diagnostics (OBD) II
The fi rst generation of On-Board Diagnostics (OBD I) was developed by the California
Air Resources Board (ARB) and implemented in 1996 to monitor some of the emission
control components on vehicles. As technology evolved and the desire to improve the
OnBoard Diagnostic system increased, a new generation of On-Board Diagnostic system
was developed. This second generation of OnBoard Diagnostic regulations is called “OBD
II”. The OBDII system is designed to monitor emission control systems and key engine
components by performing either continuous or periodic tests of specifi c components
and vehicle conditions. When a problem is detected, the OBDII 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 fi nd and fi x theproblem.
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 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 is intended to provide you with a guide as to where a fault
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might be occurring within a vehicle. OBDII Diagnostic Trouble Codes consist of a fi vedigit
alphanumeric code. The fi rst character, a letter, identifi es which control system sets the
code. The second character, a number, 0-3; other three characters, a hex character, 0-9
or A-F 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:
DTC Example
P0201
Systems
P=Powertrai
B=Body
C=Chassis
U=Network
ldentifies what section of the
system is malfunctioning
Code Type
0 - Generic(SAE)
1 - Manufacturer Specifi c
2 - Generic ('P”Codes) and
Manufacturer
Specifi c ("B”,“C”and
“U”Codes)
3 - Includes both Generic
and Manufacturer
Specifi c Codes
Sub-systems
Identifies the system where the
problem is located.“P”Code systems
are listed below.“B”,“C”and“U”Code
system will vary.
0 - Fuel and air metering; Auxiliary
emlssion controls
1 - Fuel and air metering
2 - Fuel and air metering (injector
circuit malfunction only)
3 - Ignition system or misfi re
4 - Auxiliary emission control system
5 - Vehicle speed control and idl
control system
6 - Computer output circuits
7 - Transmission
8 - Transmission
9 - Transmission
A - Hybrid Propulsion
B - Hybrid Propulsion
C - Hybrid Propulsion
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2.3 Data Link Connector (DLC) Location
The DLC (Data Link Connector or Diagnostic Link Connector) is typically a 16pin connector
where diagnostic code readers interface with the vehicle’s onboard computer. The DLC is
usually located 12 inches from the center of the instrument panel (dash), under or around
the driver’s side for most vehicles. If Data Link Connector is not located under dashboard,
a label should be there telling location. For some Asian and European vehicles, the DLC
is located behind the ashtray and the ashtray must be removed to access the connector. If
the DLC cannot be found, refer to the vehicle’s service manual for the location.
2.4 OBDII Readiness Monitors
An important part of a vehicle’s OBDII system is the Readiness Monitors, which are
indicators used to fi nd out if all of the emissions components have been evaluated by the
OBDII system. They are running periodic tests on specifi c systems and components to
ensure that they are performing within allowable limits.
Currently, there are eleven OBDII I Readiness Monitors (or I/M Monitors) defi ned by the
U.S. Environmental Protection Agency (EPA). Not all monitors are supported in every
vehicles and the exact number of monitors in any vehicle depends on the motor vehicle
manufacturer's emissions control strategy.
Continuous Monitors -- Some of the vehicle components or systems are continuously
tested by the vehicle's OBDII system, while others are tested only under specifi c vehicle
operating conditions. The continuously monitored components listed below are always
ready:
1. Misfi re
2. Fuel System
3. Comprehensive Components (CCM)
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Once the vehicle is running, the OBDII system is continuously checking the above
components, monitoring key engine sensors, watching for engine misfi re, and monitoring
fuel demands.
Non-Continuous Monitors -- - Unlike the continuous monitors, many emissions and engine
system components require the vehicle to be operated under specifi c conditions before the
monitor is ready. These monitors are termed noncontinuous monitors and are listed below:
1) EGR System
2) O2 Sensors
3) Catalyst
4) Evaporative System
5) O2 Sensor Heater
6) Secondary air Injection
7) Heated Catalyst
8) A/C system
2.5 OBDII Monitor Readiness Status
OBDII systems must indicate whether or not the vehicle’s PCM’s monitor system has
completed testing on each component. Components that have been tested will be reported
as “Ready”, or “Complete”, meaning they have been tested by the OBDII system.
The purpose of recording readiness status is to allow inspectors to determine if the
vehicle’s OBDII system has tested all the components and/or systems. The Powertrain
Control Module (PCM) sets a monitor to “Ready” or “Complete” after an appropriate drive
cycle has been performed. The drive cycle that enables a monitor and sets readiness
codes to “Ready” varies for each individual monitor. Once a monitor is set as “Ready”
or “Complete”, it will remain in this state. A number of factors, including erasing of
Diagnostic Trouble Codes (DTCs) with a code reader or a disconnected battery, can result
in Readiness Monitors being set to “Not Ready”. Since the three continuous monitors
are constantly evaluating, they will be reported as “Ready” all of the time. If testing of a
particular supported non-continuous monitor has not been completed, the monitor status
will be reported as “Not Complete” or “Not Ready.”
In order for the OBD monitor system to become ready, the vehicle should be driven under
a variety of normal operating conditions. These operating conditions may include a mix of
highway driving and stop and go, city type driving, and at least one overnight-off period.
For specifi c information on getting your vehicle’s OBD monitor system ready, please
consult your vehicle owner’s manual.
2.6 OBDII Defi nitions
Powertrain Control Module (PCM) -- OBDII terminology for the on-board computer that
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