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CEN-TECH 64981 User Manual

CEN-TECH 64981
40 pages
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Owners Manual & Safety Instructions
Save This Manual Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures� Write the product’s serial number in the back
of the manual near the assembly diagram (or month and year of purchase if product has no number)� Keep
this manual and the receipt in a safe and dry place for future reference� 18k
When unpacking, make sure that the product is intact
and undamaged� If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible�
Copyright
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2018 by Harbor Freight Tools
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All rights reserved�
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools�
Diagrams within this manual may not be drawn proportionally� Due to continuing
improvements, actual product may differ slightly from the product described herein�
To ols required for assembly and se rv ic e m ay n ot b e i nc lu de d
Read this material before using this product�
Failure to do so can result in serious injury
SAVE THIS MANUAL�
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CEN-TECH 64981 Specifications

General IconGeneral
Model64981
CategoryDiagnostic Equipment
Display TypeLCD
BacklightYes
Auto Power OffYes
Battery Type9V
Safety RatingCAT III 600V
SAE J1979No
Internet UpdateableNo
Current Range (AC)200µA to 10A
Current Range (DC)200µA to 10A
Resistance Range200Ω to 20MΩ

Summary

Warning Symbols and Definitions

Safety Alert Symbol Meanings

Explains safety alert symbols and their meanings for potential hazards.

Important Safety Information

Work Area Safety Precautions

Guidelines for maintaining a safe and clean workspace to prevent accidents.

Electrical Safety Precautions

Precautions to avoid electrical shock hazards when using the product.

Personal Safety Guidelines

Safety measures for the user to protect themselves during operation.

Service and Repair Information

Information regarding user-serviceable parts and professional repair.

Product Specifications and Overview

Technical Specifications

Technical details including display type, operating and storage temperatures, and power requirements.

OBD II Diagnostics Explained

Explanation of the OBD II system and its function in vehicle diagnostics.

Vehicle Compatibility

Information on the types of vehicles the Code Reader is compatible with.

Definitions and Monitors

Key OBD II Definitions

Glossary of terms and acronyms used in the manual and OBD II systems.

Inspection/Maintenance Monitors

Explanation of Inspection and Maintenance monitors and their types.

Engine Monitor Types

Lists continuous and non-continuous monitors for gasoline and diesel engines.

Diagnostic Trouble Code (DTC) Details

DTC Types and Structure

Explanation of DTC types (Pending, Stored, Permanent) and their meanings.

Setup and Device Functions

Pre-Use Setup Instructions

Essential pre-operation steps, including reading safety information.

Device Components and Controls

Description of the Code Reader's physical components, screen, lights, and buttons.

Operating the Code Reader

Connecting and Initializing

Instructions for connecting the Code Reader to the vehicle's diagnostic port and achieving readiness.

Navigating the Main Menu

Overview of the selections available in the Code Reader's main menu.

Performing Diagnostic Readings

Scanning Procedures

Detailed steps for performing a diagnostic scan and reading codes.

Interpreting Scan Results

How to understand the scanning results, including DTC count and monitor status.

Viewing Diagnostic Trouble Codes

How to scroll through and view individual DTCs and their sequence.

Erasing Diagnostic Trouble Codes

Procedure for Erasing Codes

Instructions and warnings regarding the deletion of diagnostic trouble codes from the vehicle.

Erase Confirmation and Outcomes

The process of confirming erasure and interpreting success or failure messages.

I/M Readiness Checks

Performing I/M Readiness Test

How to check Emissions System readiness status for state inspections.

Understanding Readiness Status

How to interpret the YES, NO, READY, NOT RDY, and N/A indicators for monitors.

Vehicle Information Retrieval

Viewing Vehicle Identification Number

How to retrieve and view the vehicle's 17-digit Vehicle Identification Number.

Rescanning Vehicle Data

Function to retrieve current data or relink the reader to the vehicle if communication is disrupted.

Diagnostic Trouble Code Definitions

P00## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P00.

P01## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P01.

P02## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P02.

P03## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P03.

P04## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P04.

P05## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P05.

P06## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P06.

P07## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P07.

P08## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P08.

P09## DTC Definitions List

List of definitions for Diagnostic Trouble Codes starting with P09.

Inspection, Maintenance, and Troubleshooting

Pre-Use Inspection Procedures

Procedures for inspecting the Code Reader's condition before each use.

Cleaning and Proper Storage

Guidelines for cleaning the device and storing it safely and properly.

Troubleshooting Common Issues

Common problems, their causes, and likely solutions for the Code Reader's operation.

Warranty Information

Limited 90-Day Product Warranty

Terms and conditions of the product's limited warranty coverage.