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Introduction 

 

 

WHAT IS OBD? 

 

 

 

Craftsman 14063 

 

WHAT IS OBD? 

The Code Reader is designed to work on all OBD2 compliant 

vehicles. All 1996 and newer vehicles (cars, light trucks and SUVs) 

sold in the United States are OBD2 compliant. 

One of the most exciting improvements in the 
automobile industry was the addition of on-
board diagnostics (OBD) on vehicles, or in more 
basic terms, the computer that activates the 
vehicle’s “CHECK ENGINE” light. OBD1 was 
designed to monitor manufacturer-specific 
systems on vehicles built from 1981 to 1995. 
Then came the development of OBD2, which is 
on all 1996 cars and light trucks sold in the U.S. Like its predecessor, 
OBD2 was adopted as part of a government mandate to lower vehicle 
emissions. But what makes OBD2 unique is its universal application for 
all late model cars and trucks - domestic and import. This sophisticated 
program in the vehicle’s main computer system is designed to detect 
failures in a range of systems, and can be accessed through a universal 
OBD2 port, which is usually found under the dashboard. For all OBD 
systems, if a problem is found, the computer turns on the “CHECK 
ENGINE” light to warn the driver, and sets a Diagnostic Trouble Code 
(DTC) to identify where the problem occurred. A special diagnostic tool, 
such as the Code Reader, is required to retrieve these codes, which 
consumers and professionals use as a starting point for repairs. 

The Code Reader provides the additional ability to retrieve Anti-Lock 
Brake System (ABS) DTCs from most Chrysler/Jeep, Ford/Mazda, 
GM/Isuzu, Honda/Acura and Toyota/Lexus vehicles. Refer to 

Vehicle 

Applications - ABS

 

on page 32 for vehicles covered. 

 

Summary of Contents for 14063

Page 1: ......

Page 2: ...NOSTICS COMPUTER ENGINE CONTROLS 8 DIAGNOSTIC TROUBLE CODES DTCs 13 OBD2 MONITORS 16 PREPARATION FOR TESTING BEFORE YOU BEGIN 25 VEHICLE SERVICE MANUALS 25 USING THE CODE READER CODE RETRIEVAL PROCEDURE 26 ERASING DIAGNOSTIC TROUBLE CODES DTCs 28 ABOUT REPAIRSOLUTIONS 30 VEHICLE APPLICATIONS ABS VEHICLE APPLICATIONS MAKES COVERED 32 WARRANTY AND SERVICING CRAFTSMAN TWO YEAR FULL WARRANTY 33 REPLAC...

Page 3: ...ssions But what makes OBD2 unique is its universal application for all late model cars and trucks domestic and import This sophisticated program in the vehicle s main computer system is designed to detect failures in a range of systems and can be accessed through a universal OBD2 port which is usually found under the dashboard For all OBD systems if a problem is found the computer turns on the CHE...

Page 4: ...ition key On DO NOT start the engine The Code Reader will automatically link to the vehicle s computer Easy To View The Code Reader retrieves stored codes and displays I M Monitor Status Codes are displayed on the Code Reader s LCD display screen System Status is displayed by LED indicators Easy To Define Visit www innova com for Fault Code Definitions ...

Page 5: ...er potentially moving objects Engine parts become very hot when the engine is running To prevent severe burns avoid contact with hot engine parts Before starting an engine for testing or trouble shooting make sure the parking brake is engaged Put the transmission in park for automatic transmission or neutral for manual transmission Block the drive wheels with suitable blocks Connecting or disconne...

Page 6: ... compliant check the following 1 The Vehicle Emissions Control Information VECI Label This label is located under the hood or by the radiator of most vehicles If the vehicle is OBD 2 compliant the label will state OBD II Certified 2 Government Regulations require that all OBD2 compliant vehicles must have a common sixteen pin Data Link Connector DLC Some 1994 and 1995 vehicles have 16 pin connecto...

Page 7: ...ur vehicle s computer and resets Monitor status 2 SCROLL button Scrolls the LCD display to view DTCs when more than one DTC is present 3 LINK button Links the Code Reader with the vehicle s PCM to retrieve DTCs from the computer s memory and to view I M Readiness Monitor status 4 GREEN LED Indicates that all engine systems are running normally all Monitors on the vehicle are active and performing ...

Page 8: ...Display Functions See Figure 2 for the locations of items 1 through 13 below 1 Vehicle icon Indicates whether or not the Code Reader is being properly powered through the vehicle s Data Link Connector DLC A visible icon indicates that the Code Reader is being powered through the vehicle s DLC connector 2 Link icon Indicates whether or not the Code Reader is communicating linked with the vehicle s ...

Page 9: ...which Freeze Frame data has been stored 11 Code Enumerator Indicates the total number of codes retrieved from the vehicle s computer 12 Monitor icons Indicates which Monitors are supported by the vehicle under test and whether or not the associated Monitor has run its diagnostic testing Monitor status When a Monitor icon is solid it indicates that the associated Monitor has completed its diagnosti...

Page 10: ...l fuel delivery and spark timing This made it difficult for vehicle manufacturers to meet the new standards A new Engine Control System had to be designed and integrated with the engine controls to meet the stricter standards The new system had to Respond instantly to supply the proper mixture of air and fuel for any driving condition idle cruising low speed driving high speed driving etc Calculat...

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