OWNER,S MANUAL
Table Of Contents
1. |
INTRODUCTION |
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1.1 |
About OBD2 Code Reader---------------------------------------------------------- |
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1.2 |
Safety Precautions and Warnings-------------------------------------------------- |
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2. |
GENERAL INFORMATION |
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2.1 On-Board-Diagnostics (OBD) 2------------------------------------------------------ |
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2.2 Diagnostic Trouble Codes (DTCS) ------------------------------------------------ |
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2.3 Location Of the Data Link Conector (DLC) ------------------------------------ |
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2.4 OBD2 Readiness Monitors ----------------------------------------------------------- |
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2.5 OBD2 Monitor Readiness Status--------------------------------------------------- |
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2.6 OBD2 Terminology----------------------------------------------------------------------- |
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3. |
PRODUCT INFORMATION |
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3.1 Tool Description -------------------------------------------------------------------------- |
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3.2 Product Specifications ----------------------------------------------------------------- |
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3.3 Product Features------------------------------------------------------------------------- |
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3.4 Vehicle Coverage ------------------------------------------------------------------------ |
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4. |
OPERATING INSTRUCTIONS |
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4.1 Reading Codes --------------------------------------------------------------------------- |
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4.2 Erasing Codes---------------------------------------------------------------------------- |
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4.3 Retrieving I/M Readiness Status -------------------------------------------------- |
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4.4 Viewing VIN Number-------------------------------------------------------------------- |
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4.5 Rescanning Data------------------------------------------------------------------------- |
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5. |
DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS |
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5.1 OBD2 Generic DTC Definitions----------------------------------------------------- |
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5.2 Part Of OBD2 Manufacturer Specific DTC Definitions ------------------- |
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6. |
WARRANTY AND SERVICE |
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6.1 Limited One Year Warranty ---------------------------------------------------------- |
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6.2 Service Procedures -------------------------------------------------------------------- |
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1. INTRODUCTION
1.1 About OBD2 Code Reader
This powerful tool will help you take charge of your vehicle's maintenance and servicing needs. Today vehicles use Computer Control Systems to ensure peak per-formance and fuel-efficiency while reducing pollutants in the vehicle's emissions. These systems also have the ability to perform self-testing and diagnose various vehicle systems and components, and provide valuable information to aid in servicing and repair. However, these sophisticated systems often required expensive tools and test equi pment in order to retrieve this information. Until now, consumers had to rely on professional service technicians to maintain their vehicles in top condition.
OBD2 Code Reader brings the power of the technician into your hands in a cost-effective, easy-to-use package. Whether you are a“"put the key in and go"”consumer, hobby mechanic or skilled DIYer, Code Reader offers the features and functions you need to take control of your vehicle's testing,servicing and maintenance needs.
1.2 Safety Precautions and Warnings
To prevent personal injury or damage to vehicles and/or the Scan Tool, read this instruction manual first and observe the following safety precautions at a minimum whenever working on a vehicle:
1.Always perform automotive testing in a safe environment.
2.Wear safety eye protection that meets ANSI standards.
3.Keep clothing,hair,hands,tools,test equipment,etc,away from all moving or hot engine parts.
4.Operate the vehicle in a well-ventilated work area; Exhaust gases are poisonous.
5.Put blocks on drive wheels and never leave vehicle unattended while running tests.
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6.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.
7.Put transmission in PARK (for automatic transmission) or NEUTRAL (for manual transmission) and make sure the parking break is engaged.
8.Keep a fire extinguisher suitable for gasoline/chemical/electrical fires nearby.
9.Don't connect or disconnect any test equi pment with ignition on or engine running.
10.Keep the Scan Tool dry,clean and free from oil, water and grease. Use a mild detergent on a clean cloth to clean the outside of the Scan Tool, when necessary.
2. GENERAL INFORMATION
2.1 On-Board-Diagnostics (OBD) 2
The first generation of On-Board Diagnostic (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 and the desire to improve On-Board Diagnostic capability increased, a new generation of On-Board Diagnostics 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
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accurately find and fix the problem. Here below follow three pieces of such crucial information:
Whether the Malfunction Indicator Lig ht (MIL) is commanded 'on' or 'off';
Which, if any, Diagnostic Trouble Codes (DTCs) are stored; 
Readiness Monitor status.
2.2 Diagnostic Trouble Codes (DTCs)
OBDII Diagnostic Trouble Codes 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. OBDII 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:
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Systems
B=Body
C=Chassis
P=Powertrain
U=Network
Code Type
Generic (SAE):
P0,P2,P34-P39 B0,B3
C0,C3
U0,U3.
Manufacturer Specific: P1,P30-p33
B1,B2
C1,C2
U1,U2
DTC Example
P 0 2 0 1
Identifies what section of the systems is malfunctioning
Sub-systems
1= Fuel and Air Metering
2= Fuel and Air Metering
3= Ignition System or Engine Misfire 4= Auxiliary Emission Controls
5= Vehicle Speed Control and Idle Controls
6= Computer Output Circuits 7= Transmission Controls 8= Transmission Controls
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 scan tools interface with the vehicle's 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. For some Asian and European vehicles, the DLC is located behind the ashtray and the ashtray must be removed to access the connector. Refer to the vehicle's service manual for the location if the DLC can not be found.
2.4OBD II Readiness Monitors
An important part of a vehicle's OBDII system is the Readiness
monitors, which are indicators used to find out if all of the emissions
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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) defined by the U.S. Environmental Protection Agency (EPA). Not all monitors are supported by all 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 specific vehicle operating conditions. The continuously monitored components listed below are always ready:
1.Misfire
2.Fuel System
3.Comprehensive Components (CCM)
Once the vehicle is running, the OBDII system is continuously checking the above components, monitoring key engine sensors, watching for engine misfire, and monitoring fuel demands.
Non--Continuous Monitors -- Unlike the continuous monitors,many emissions and engine system components require the vehicle to be operated under specific 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
7.Heated Catalyst
8.A/C system
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2.5 OBD II Monitor Readiness Status
OBD II systems must indicate whether or not the vehicle's PCM 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 scan tool 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 hig hway driving and stop and go, city type driving,and at least one overnight-off period. For specific information on getting your vehicle's OBD monitor system ready,please consult your vehicle owner's manual.
2.6 OBD II Definitions
Powertrain Control Module (PCM)--OBDII terminology for the onboard computer that controls engine and drive train.
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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 lig ht,it indicates that a problem has been detected and the vehicle should be serviced as soon as possible. Under certain conditions, the dashboard lig ht will blink or flash. This indicates a severe problem and flashing is intended to discourage vehicle operation. The vehicle on-board diagnostic system can not turn the MIL off until the necessary repairs are completed or the condition no longer exists.
DTC--Diagnostic Trouble Codes (DTC) that identify which section of the emission control system has malfunctioned.
Enabling criteria--Also termed Enabling Conditions. They are the vehiclespecific 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. OBDII Drive Cycle--A specific mode of vehicle operation that provides condition 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 on-board 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 specific drive cycle,consult the vehicle's Owner's Manual.
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3. PRODUCT INFORMATION
3.1 Tool Description
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1.LCD DISPLAY--Indicates test results. It is a backlit 2-line display with 8 characters on each line.
2. ENTER BUTTON--Confirms a selection (or action) from a menu list,or returns to the main menu.
3.SCROLL BUTTON--Scrolls through menu items or cancel an operation 4.OBD II CONNECTOR--Connects the Code Scanner to the vehicle's Data Link Connector (DLC).
3.2 Product Specifications
1.Display: LCD,2 lines,8 characters,backlit
2.Operating Temperature: 0 to 50°C (-32 to 122 F°)
3.Storage Temperature: -20 to 70°C (-4 to 158 F°)
4.Power—provided via detachable heavy duty OBD II cable
5.Dimensions:
Length |
Width |
Height |
126 mm ( 5.0”) |
78 mm ( 3.2”) |
28mm (0.85”) |
6. Weight: 200g (7.12 oz) |
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3.3 Product Features
1.Works with all 1996 and newer cars & trucks that are OBD II compliant (including the CAN,VPW,PWM,ISO and KWP 2000).
2.Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTCs) and turns off check engine light.
3.Supports multiple trouble code requests, generic codes, pending codes and manufacturers' specific codes.
4.Reviews the emission readiness status of OBD monitors.
5.Retrieves VIN (Vehicle Identification No.) on 2002 and newer vehicles that support Mode 9.
6.Determines the malfunction indicator lamp (MIL) status.
7.Easy-to-use with one plug-in; Highly reliable and accurate.
8.Easy-to-read crystal-clear backlit 2-line LCD display.
9.Stand-alone unit with no need for an additional laptop computer to operate.
10.Small in size and conveniently fits in your palm.
11.Safely communicates with the on-board computer.
12.No batteries needed--powered via detachable OBD II cable.
3.4 Vehicle Coverage
The T40e OBD II Scan Tool is specially designed to work with all OBDII compliant vehicles, including those equi pped with the next-generation protocol-Control Area Network (CAN). It is required by EPA that All 1996 and newer vehicles (cars and light trucks) sold in the United States must be OBD II compliant and this includes all Domestic, Asian and European vehicles.
A small number of 1994 and 1995 model year gasoline vehicles are OBD II compliant. To verify if a 1994 or 1995 vehicle is OBD II compliant, check the Vehicle Emissions Control Information (VECI) Label which is located under the hood or by the radiator of most vehicles. If the vehicle
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is OBD II compliant, the label will designate“"OBD II Certified". Additionally,
Government regulations mandate that all OBD II compliant vehicles must have a "common" sixteenpin Data Link Connector (DLC).
For your vehicle to be OBD II compliant, it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant.
4. Operating Instructions
4.1 Reading Codes:
CAUTION: Don,t connect or disconnect any test equipment with ignition on or engine running.
1)Turn the ignition off.
2)Locate the 16-pin Data Link Connector (DLC) and plug into the Scan Tool cable connector to the DLC.
3)Wait for the LCD display to read C. A. N. OBD2.
C .A. N.
OBD2
4)Turn the ignition on. But do not start the engine.
5)Press the ENTER button. A sequence of messages showing the OBD protocols may be observed on the display until the vehicle protocol is
detected.
SCAN...… |
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SCAN...… |
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SCAN...… |
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VPW |
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PWM |
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CAN |
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SCAN...… |
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SCAN...… |
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ISO9141 |
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KWP 2000 |
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Not all the above messages will be observed unless the protocol used by the vehicle being tested is the last one—the ISO9141 protocol. They will stop appearing after the vehicle protocol is detected and a confirmation message of XXX Protocol is displayed.
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If a "LINK ERROR!" message shows up, turn the ignition off for about 10 seconds,check if the Scan Tool's OBDII connector is securely connected to the vehicle s DLC, and then turn the ignition back to on. Repeat the procedure from step 5. If the "LINK ERROR" message does not go away, then there may be problems for the Scan Tool to communicate with the vehicle.
6) Wait for the main menu to come up after a brief overview displaying the scanning results with the total number of DTCs and the overall I/M Monitor Status.
DTC 06 I/M YES
7) Select "DTC" from the main menu by pressing the ENTER button.
Menu:
1. DTC
If there are no Diagnostic Trouble Codes retrieved, the display will indicate "NO CODES".
NO
CODES
If there are any Diagnostic Trouble Codes,then the total number of the Fault Codes followed by that of the Pending Codes will be reported on the display.
FAULT: 03
PEND: 03
8) Read the Diagnostic Trouble Codes by pressing the SCROLL button. 
The first code number will display on the first line of the LCD display,
the numerical sequence of the code and the total number of the codes
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stored will appear on the second line. To view additional codes, press the SCROLL button to scroll,as necessary,until all the codes have been shown up.
P0101
01/04
If the code retrieved is a pending code, a "PD"”will show on the LCD display in the end.
P0005 PD 01/05
To view previous codes,press the SCROLL button to scroll through to the end,and then start from the first of the list.
9) Look up part 5 for Diagnostic Trouble Code Definitions. Match the retrieved DTC(S) with those listed and read the definitions.
4.2 Erasing Codes:
CAUTION: Erasing the Diagnostic Trouble Codes allows the Scan Tool to delete not only the codes from the vehicle's on-board 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.
1) If you decide to erase the DTCs, Select "2. ERASE" from the main menu by pressing the ENTER button.
Menu:
2. ERASE
If the Scan Tool is not connected or no communication is established with the vehicle yet, then refer to "Reading Codes"”from 1 to 6. at Paragraph 4.1.
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2) A message of "ERASE? YES NO"”comes up asking for your confirmation.
ERASE?
YES NO
3)If you do not want to proceed with erasing the codes, press the SCROLL button to exit.
4)If you do wish to proceed to erase the codes, then press the ENTER
button.
5) If the codes are cleared successfully,an "ERASE DONE!"”message will show on the display. Press the ENTER button to Return to the main Menu list.
ERASE
DONE!
6) If the codes are not cleared,then an "ERASE FAIL!" message will appear. Press the ENTER button to Return to the main Menu list.
ERASE
FAIL!
HOT KEY: Pressing and Holding the SCROLL button for about 3 seconds will allow you to more quickly erase the DTCs than through the main menu.
4.3 RETRIEVING I/M READINESS STATUS:
Important: I/M Readiness function is used to check the operations of the Emission System on OBD2 compliant vehicles. It is an excellent function to use prior to having a vehicle inspected for compliance to a state emissions program. 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
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some states, one or more such monitors may be allowed to be“"Not Ready" to pass the emissions inspection.
"YES"”--All monitors supported on the vehicle have completed their diagnostic testing and the MIL light is not on.
"NO"--At least one monitor supported on the vehicle has not completed its diagnostic testing, and (or) the Check Engine ( MIL) light is on.
"READY"--indicates that a particular monitor being checked has completed its diagnostic testing;
"Not RDY(NOT READY)"--indicates a particular monitor being checked has not completed its diagnostic testing;
"N/A"--The monitor is not supported on that vehicle.
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" --A flashing Rig ht Arrow Indicating additional information is |
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available on the next screen. |
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" --A flashing Left Arrow Indicating additional information is available |
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on the previous screen. |
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Select "3. I/M"”from the main menu by pressing the ENTER button. |
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Menu: |
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3. I/M |
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If the Scan Tool is not connected yet, then refer to " Reading Codes" from 1 to 6. at Paragraph 4.1.
2) Use the SCROLL button to view the status of the MIL light ("ON" or "OFF") and the following monitors:
MISFIRE"--Misfire monitor FUEL--Fuel System Monitor
CCM--Comprehensive Components Monitor EGR--EGR System Monitor
O2S--O2 Sensors Monitor AT--Catalyst Monitor
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EVAP--Evaporative System Monitor
HO2S--O2 Sensor Heater Monitor 2AIR-- Secondary Air Monitor HCM--Heated Catalyst Monitor A/C--A/C system Monitor
3) Press the ENTER button to return to the main Menu.
4.4 Viewing VIN Number
The View VIN function allows you to view the Vehicle Identification No. on 2002 and newer vehicles that support Mode 9.
1) Select 4. VIN”from the main menu by pressing the ENTER button.
Menu:
4. VIN
If the Scan Tool is not connected yet, then refer to "Reading Codes"”from 1 to 6. at Paragraph 4.1.
2). Use the SCROLL button to view additional digits of the 17-digit string.
" 
"-- A flashing Right Arrow Indicating additional digits of VIN string are available on the next screen.
" 
"-- A flashing Left Arrow Indicating additional digits of VIN string are available on the previous screen.
3) Press the ENTER button to return to the main Menu.
4.5 Rescanning Data
The RESCAN function allows you to retrieve the most current data stored in the ECM or to re-link to the vehicle.
if communication is disconnected.
1) Select "5. RESCAN" from the main menu by pressing the ENTER button.
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