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Creader 5001 English User’s Manual
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1. Introduction
Featuring the 2.8” color LCD, Creader 5001 delivers leading OBDII/EOBD diagnostic
functions and meets protocols such as ISO9141-2, ISO14230-4, SAEJ1850 and
ISO15765-4 etc.
It can be connected to PC through the USB cable for upgrade to keep synchronized with the
latest software version.
Note: Creader 5001 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 (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 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:
Содержание Creader 5001
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