Launch CRP123 User Manual
V1.00.002
2013-04-22
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LAUNCH Creader Professional CRP123 User's Manual
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LAUNCH Creader Professional CRP123 User's Manual
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LAUNCH Creader Professional CRP123 User's Manual
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LAUNCH Creader Professional CRP123 User's Manual
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LAUNCH Creader Professional CRP123 User's Manual
General Notice
Other product names used herein are for identification purposes only and •
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rights in those marks.
There is a possibility that this unit is inapplicable to some of the vehicle •
models or systems listed in the diagnosis section due to different countries,
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Disclaimer
To take full advantage of the unit, you should be familiar with the engine.•
All information, illustrations, and specications contained in this manual are •
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is reserved to make change at any time without notice.
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Safety Precautions and Warnings
To prevent personal injury or damage to vehicles and/or the CRP123, please
read this user’s manual first carefully and observe the following safety
precautions at a minimum whenever working on a vehicle:
Always perform automotive testing in a safe environment.•
Do not attempt to operate or observe the tool while driving a vehicle. •
Operating or observing the tool will cause driver distraction and could cause a
fatal accident.
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.
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LAUNCH Creader Professional CRP123 User's Manual
Put the transmission in P (for A/T) or N (for M/T) 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 CRP123 dry, clean, free from oil/water or grease. Use a mild •
detergent on a clean cloth to clean the outside of the CRP123, when
necessary.
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LAUNCH Creader Professional CRP123 User's Manual
Table of Contents
1. Introduction .....................................................................................................1
2. General Information ..........................................................................................1
2.1 On-Board Diagnostics (OBD) II ..................................................................1
2.2 Diagnostic Trouble Codes (DTCs)..............................................................2
2.3 Location of the Data Link Connector (DLC) ...............................................2
2.4 OBD II Readiness Monitors ........................................................................3
2.5 OBD II Monitor Readiness Status ..............................................................4
2.6 OBD II Denitions .......................................................................................4
3. Product Descriptions .....................................................................................6
3.1 Outline of CRP123 .....................................................................................6
3.2 Specications .............................................................................................7
3.3 Accessories Included..................................................................................7
4. Connection ......................................................................................................8
4.1 Preparation .................................................................................................8
4.2 Install TF card .............................................................................................8
4.3 Connect CRP123 .......................................................................................8
5. Diagnose .......................................................................................................10
5.1 OBDII/EOBD Diagnosing .........................................................................10
5.1.1 Read Codes .................................................................................... 11
5.1.2 Erase Codes ...................................................................................13
5.1.3 I/M Readiness .................................................................................14
5.1.4 Data Stream....................................................................................15
5.1.5 View Freeze Frame ........................................................................17
5.1.6 O2 sensor test ................................................................................18
5.1.7 On-board monitor test .....................................................................19
5.1.8 EVAP System Test ..........................................................................20
5.1.9 Vehicle Info .....................................................................................21
5.2 System Diagnosing ..................................................................................21
5.3 Review .....................................................................................................24
6 Settings ..........................................................................................................25
6.1 Language .................................................................................................25
6.2 Unit of Measure ........................................................................................25
6.3 Beeper ......................................................................................................26
6.4 Record Mode ............................................................................................26
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LAUNCH Creader Professional CRP123 User's Manual
7. Help ................................................................................................................28
7.1 DLC Location Information........................................................................ 28
7.2 DTC Library ............................................................................................. 28
7.3 Abbreviation............................................................................................. 29
7.4 Tool Information ....................................................................................... 30
7.5 About OBD .............................................................................................. 30
8. Update ...........................................................................................................31
8.1 User Registration..................................................................................... 31
8.2 Register a passport ................................................................................. 31
8.3 Fill in Product Information ....................................................................... 33
8.4 Software Download ................................................................................. 33
8.5 Software Update...................................................................................... 34
8.6 Purchase Software .................................................................................. 34
9. FAQ ................................................................................................................35
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LAUNCH Creader Professional CRP123 User's Manual
1. Introduction
The Creader Professional CRP123 is specially developed by LAUNCH, which
supports all 10 modes of OBD II test for a complete diagnosis. Featuring the
3.5” TFT color display, it enables users to read/clear DTCs, record, save and
playback data in live graphic display. The CRP123 is also very easy to use. With
built-in help menus and code denitions, diagnosing and repairing that dreaded
Check Engine Light is now easier than ever!
Moreover, CRP123 also features the following bi-directional “special tests”:
EVAP, O2 Sensor, I/M Readiness, MIL Status, VIN Info, and On-board monitors
testing.
It can be connected to PC through the USB cable for upgrade to keep updated
with the latest software version.
Notice: CRP123 may automatically reset while being disturbed by strong static
electricity. THIS IS A NORMAL REACTION.
2. General Information
2.1 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 specic
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 nd and x 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.
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LAUNCH Creader Professional CRP123 User's Manual
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 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 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:
Figure 2-1
2.3 Location of the Data Link Connector (DLC)
The DLC (Data Link Connector or Diagnostic Link Connector) is the standardized
16-cavity connector where diagnostic code readers interface with the vehicle’s
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LAUNCH Creader Professional CRP123 User's Manual
on-board 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.
Figure 2-2
2.4 OBD II Readiness Monitors
An important part of a vehicle’s OBD II system is the Readiness Monitors, which
are indicators used to find out if all of the emissions components have been
evaluated by the OBD II system. They are running periodic tests on specific
systems and components to ensure that they are performing within allowable
limits.
Currently, there are eleven OBD II Readiness Monitors (or I/M Monitors) dened
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 OBD II system, while others are tested
only under specific vehicle operating conditions. The continuously monitored
components listed below are always ready:
1. Misre
2. Fuel System
3. Comprehensive Components (CCM)
Once the vehicle is running, the OBD II system is continuously checking the
above components, monitoring key engine sensors, watching for engine misre,
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LAUNCH Creader Professional CRP123 User's Manual
and monitoring fuel demands.
Non-Continuous Monitors -- Unlike the continuous monitors, many emissions
and engine system components require the vehicle to be operated under
specic conditions before the monitor is ready. These monitors are termed non-
continuous 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 OBD II Monitor Readiness Status
OBD II 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 OBD II system. The purpose of recording readiness status is to
allow inspectors to determine if the vehicle’s OBD II 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 specic information on getting your vehicle’s
OBD monitor system ready, please consult your vehicle owner’s manual.
2.6 OBD II Denitions
Powertrain Control Module (PCM) -- OBD II terminology for the on-board
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LAUNCH Creader Professional CRP123 User's Manual
computer that controls engine and drive train.
Malfunction Indicator Light (MIL) -- Malfunction Indicator Light (Service Engine
Soon, Check Engine) is a term used for the light on the instrument panel. It
is to alert the driver and/or the repair technician that there is a problem with
one or more of vehicle’s systems and may cause emissions to exceed federal
standards. If the MIL illuminates with a steady light, it indicates that a problem
has been detected and the vehicle should be serviced as soon as possible.
Under certain conditions, the dashboard light will blink or ash. This indicates a
severe problem and flashing is intended to discourage vehicle operation. The
vehicle onboard diagnostic system cannot turn the MIL off until the necessary
repairs are completed or the condition no longer exists.
DTC -- Diagnostic Trouble Codes (DTC) that identifies which section of the
emission control system has malfunctioned.
Enabling Criteria -- Also termed Enabling Conditions. They are the vehicle-
specic events or conditions that must occur within the engine before the various
monitors will set, or run. Some monitors require the vehicle to follow a prescribed
“drive cycle” routine as part of the enabling criteria. Drive cycles vary among
vehicles and for each monitor in any particular vehicle. Please refer to the
vehicle’s factory service manual for specic enabling procedures.
OBD II Drive Cycle -- A specific mode of vehicle operation that provides
conditions required to set all the readiness monitors applicable to the vehicle to
the “ready” condition. The purpose of completing an OBD II drive cycle is to force
the vehicle to run its onboard diagnostics. Some form of a drive cycle needs to
be performed after DTCs have been erased from the PCM’s memory or after
the battery has been disconnected. Running through a vehicle’s complete drive
cycle will “set” the readiness monitors so that future faults can be detected. Drive
cycles vary depending on the vehicle and the monitor that needs to be reset. For
vehicle specic drive cycle, consult the service manual.
Freeze Frame Data -- When an emissions related fault occurs, the OBD II
system not only sets a code but also records a snapshot of the vehicle operating
parameters to help in identifying the problem. This set of values is referred to
as Freeze Frame Data and may include important engine parameters such as
engine RPM, vehicle speed, air ow, engine load, fuel pressure, fuel trim value,
engine coolant temperature, ignition timing advance, or closed loop status.
Fuel Trim (FT) - Feedback adjustments to the base fuel schedule. Short-term
fuel trim refers to dynamic or instantaneous adjustments. Long-term fuel trim
refers to much more gradual adjustments to the fuel calibration schedule than
short-term trim adjustments. These long-term adjustments compensate for
vehicle differences and gradual changes that occur over time.
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