Innova 3120d User Manual

Explains the evolution and purpose of electronic engine control systems.

Describes the fundamental components and operation of an engine computer system.

Details the first generation of vehicle onboard diagnostics systems.

Explains the enhancements and objectives of the second generation of onboard diagnostics.

Provides definitions for key terms and acronyms related to OBD2 systems.

Describes the extended set of driving procedures for OBD2 diagnostic testing.

Explains the process of engine warm-up and its role in code erasure.

Explains the relationship between DTCs, the Malfunction Indicator Lamp, and fault types.

Describes monitors that constantly check vehicle systems for proper operation.

Lists and explains monitors that perform tests once per drive cycle.

Fields for collecting VIN, year, make, model, engine size, and mileage.

Details common vehicle issues like starting, stalling, idling, and running conditions.

Explains display elements, icons, and LED indicators for diagnostic results.

Differentiates between Generic and Manufacturer-specific DTCs and explains LED interpretations.

Guides on navigating the menu to access enhanced DTCs and ABS codes based on vehicle make.

Details on retrieving and viewing Engine and Transmission DTCs for Chrysler/Jeep vehicles.

Instructions for viewing Continuous Memory, KOEO, and KOER test DTCs for Ford/Mazda.

How to view MIL, Current, Fail Since Clear, and History DTCs for GM/Isuzu.

Steps to view Confirmed, Pending, Permanent, or Temporary DTCs for Honda/Acura.

Procedures for viewing Current, History, or Pending DTCs for Toyota/Lexus.

How to retrieve enhanced DTCs for Audi, BMW, Hyundai, Kia, Mercedes, Volkswagen.

Steps to retrieve and interpret ABS Diagnostic Trouble Codes from vehicle memory.

Step-by-step guide on how to erase DTCs and manufacturer-specific data.

How to check if a vehicle is ready for emissions testing using the Diagnostic Tool.

How to understand the meaning of Green, Yellow, and Red LED indicators for readiness tests.

Using the tool to verify repairs by checking monitor status after clearing codes.

Instructions on how to link the diagnostic tool to a PC to use the RepairSolutions® service.

Overview of Chrysler's on-board computer system evolution from 1983-1997.

Information on Jeep's on-board computer systems from 1993-1995.

Lists Chrysler/Jeep vehicles covered by the diagnostic tool for OBD1 systems.

Steps to retrieve diagnostic trouble codes for Chrysler/Jeep OBD1 vehicles.

Procedure for erasing diagnostic trouble codes from Chrysler/Jeep OBD1 vehicle memory.

Overview of Ford's EEC-IV computer system and diagnostic tool application.

Lists Ford, Lincoln, Mercury vehicles covered by the diagnostic tool for OBD1 systems.

Details on Ford's special test connectors for connecting diagnostic equipment.

Guide on connecting the diagnostic tool to Ford vehicles using the correct connector.

Explains "Hard" and "Intermittent/History" DTC types for Ford OBD1 systems.

Overview of Ford's self-diagnostic system and code retrieval methods.

Procedure for performing the Key On Engine Off test on Ford vehicles.

Steps to check ignition timing and advance capability on Ford vehicles.

Procedure for performing the Key On Engine Running self-test on Ford vehicles.

How to perform a cylinder balance test on Ford SEFI systems.

How to check computer output voltages and relay/solenoid operation on Ford vehicles.

Procedure for checking intermittent faults in specific circuits on Ford vehicles.

Steps to erase DTCs from Ford vehicle computer memory.

Explains how GM vehicles use computer self-testing to locate and store DTCs.

Lists GM domestic cars and trucks (excluding Geo, Nova, Saturn, Sprint) compatible with the tool.

Describes the ALDL/ALCL connector on GM vehicles and its location.

Explains the purpose of the "Check Engine" or "Service Engine Soon" light on GM vehicles.

Defines DTCs and categorizes them into "Hard" and "Intermittent/History" types.

Steps to retrieve diagnostic trouble codes from GM OBD1 vehicle computers.

Guide on how to erase DTCs from GM OBD1 vehicle memory.

Introduction to OBD1 systems and their function in identifying emissions-related faults.

Lists Toyota and Lexus OBD1 vehicles supported by the diagnostic tool.

Describes Toyota's Type 1 and Type 2 DLC connectors and their locations.

Explains the function of the MIL/Check Engine light on Toyota/Lexus vehicles.

Defines DTCs and categorizes them into "Hard" and "Intermittent/History" types for Toyota/Lexus.

Steps to retrieve diagnostic trouble codes from Toyota/Lexus OBD1 vehicle computers.

Procedure to erase DTCs from Toyota/Lexus OBD1 vehicle memory.

How to view saved engine conditions at the time of a DTC event.

Accessing additional diagnostic tests like O2 Sensor and EVAP Leak Test.

Retrieving and viewing O2 sensor monitor test results from the vehicle's computer.

Retrieving test results for emission-related components not continuously monitored.

Initiating a leak test for the vehicle's EVAP system.

Retrieving reference information like Vehicle ID, Available Modules, and IPT.

Retrieving a list of modules supported by the vehicle under test.

Retrieving IPT statistics for monitors supported by the vehicle.

Locating definitions for specified OBD1 Diagnostic Trouble Codes.

Locating definitions for specified OBD2 Diagnostic Trouble Codes.

Viewing the diagnostic tool's current firmware, bootloader, and database versions.

Configuring tool settings like brightness, language, and units of measurement.

Viewing DTCs and Freeze Frame data stored in the diagnostic tool's memory.

Lists the vehicle makes supported by the diagnostic tool for ABS code retrieval.

Definitions and explanations of technical terms and abbreviations used in the manual.

Details the manufacturer's warranty terms, exclusions, and service procedures.