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KONNWEI Manuals & User Guides

KONNWEI manufactures professional automotive diagnostic tools, including OBD2 scanners, battery system testers, and full-system diagnostic devices for cars and trucks.

Tip: include the full model number printed on your KONNWEI label for the best match.

About KONNWEI manuals on Manuals.plus

KONNWEI is a leading manufacturer of automotive diagnostic solutions, dedicated to providing high-quality tools for vehicle maintenance and troubleshooting. Backed by Shenzhen Jiawei Hengxin Technology Co., Ltd., the brand offers a comprehensive lineup of products including OBD2/EOBD scanners, car battery testers, and wireless diagnostic adapters.

Known for versatile devices like the KW series (e.g., KW850, KW680) and the intelligent KDIAG Bluetooth system, KONNWEI empowers both car owners and specialized technicians to perform complex diagnostics. Their tools allow users to read and clear diagnostic trouble codes (DTCs), view live sensor data, and assess the cranking and charging systems of various vehicle makes and models.

KONNWEI manuals

Selected manuals from manuals+ curated for this brand.

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KONNWEI KW206 OBD Vehicle Computer User Manual

November 6, 2026
KONNWEI KW206 OBD Vehicle Computer User Manual 1. Description KW206 OBD is a smart and additional on-board computer. Thanks to its simple design, the device can display data on the…

Konnwei RC-10 Battery Charger Battery Tester User Manual

November 3, 2026
Konnwei RC-10 Battery Charger/Battery Tester Description The RC-10 battery tester can charge all lead-acid vehicle batteries, including conventional lead-acid batteries, AGM flat batteries, AGM spiral batteries and gel batteries, and…

KONNWEI KW450 OBDII Autodiagnostics User Manual

November 3, 2026
KONNWEI KW450 OBDII Autodiagnostics SAFETY INSTRUCTIONS AND WARNINGS Please read this manual carefully before first use. Please keep this manual for future reference. Otherwise, there is a risk of personal…

KONNWEI KW340 Diagnostic Link Connector User Manual

October 3, 2026
KONNWEI KW340 Diagnostic Link Connector OVERVIEW A great way to accurately identify car problems and avoid unnecessary or costly maintenance. This handy diagnostic tool plugs into the 08D11 port of…

KONNwei KW600 Car Battery Tester User Manual

September 17, 2026
KONNwei KW600 Car Battery Tester Product Summary Product Profile KW600 Battery Tester adopts the state-of-the -art conductance testing technology in the word to easily, quickly and accurately measure the actual…

KONNWEI KW206 OBD User Manual

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User manual and setup guide for the KONNWEI KW206 OBD on-board computer and diagnostic scanner, including installation, operation, and update instructions.

KONNWEI KW600 Battery Tester User Manual

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Comprehensive user guide for the KONNWEI KW600 Battery Tester. Learn how to test car batteries, analyze cranking and charging systems, update software, and troubleshoot common issues.

KONNWEI KW206 OBD User Manual

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Comprehensive user guide for the KONNWEI KW206 OBD on-board computer and diagnostic tool. Learn how to install, configure, and update your device.

‎KW850

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KONNWEI manuals from online retailers

KONNWEI MAXOBD Bluetooth OBD2 Scanner: User Manual

MAXOBD • July 7, 2026
Comprehensive user manual for the KONNWEI MAXOBD Bluetooth OBD2 Scanner, providing instructions for setup, operation, maintenance, troubleshooting, and specifications for this all-system diagnostic tool for iOS and Android.

KONNWEI KW850 Car Diagnostic Device User Manual

KW850 • June 10, 2026
This manual provides comprehensive instructions for the KONNWEI KW850 OBD2 car diagnostic scanner, covering setup, operation, maintenance, troubleshooting, and technical specifications. Learn how to read and clear engine…

KONNWEI KDIAG OBD2 Bluetooth Scanner User Manual

KDIAG0104 • May 23, 2026
Comprehensive user manual for the KONNWEI KDIAG OBD2 Bluetooth Scanner, covering all system diagnostics, 5 reset functions, engine code reading, and vehicle performance testing for iOS and Android…

KONNWEI KW341 Car Battery Tester User Manual

KW341 • May 14, 2026
Comprehensive user manual for the KONNWEI KW341 Car Battery Tester, covering setup, operation, maintenance, and specifications for 6V, 12V, and 24V automotive batteries.

KONNWEI KW208 12V Car Battery Tester User Manual

KW208 • May 4, 2026
This manual provides instructions for the KONNWEI KW208 12V Car Battery Tester, a digital analyzer for 12V automotive batteries, including load, alternator, and starter system testing. Suitable for…

KONNWEI KW850 OBD2 Car Diagnostic Device User Manual

KW850 • April 8, 2026
Comprehensive instruction manual for the KONNWEI KW850 OBD2 Car Diagnostic Device, covering setup, operation, maintenance, troubleshooting, and specifications. This guide provides detailed information on using the KW850 for…

KONNWEI KW330 OBD2 Diagnostic Scanner User Manual

KW330 • April 7, 2026
Comprehensive user manual for the KONNWEI KW330 OBD2 Diagnostic Scanner, covering setup, operation, features like reading and clearing trouble codes, battery testing, live data stream, and I/M readiness…

KONNWEI KW903 Bluetooth 5.0 Car OBD2 Scanner User Manual

KW903 • 1 PDF • November 8, 2026
Comprehensive instruction manual for the KONNWEI KW903 ELM327 v1.5 Bluetooth 5.0 Car OBD2 Scanner, detailing setup, operation, maintenance, troubleshooting, and technical specifications for Android and iOS devices.

KONNWEI KW330 Car OBD2 Diagnostic Tool User Manual

KW330 • 1 PDF • November 7, 2026
Comprehensive user manual for the KONNWEI KW330 OBD2 Diagnostic Tool, covering setup, operation, features, troubleshooting, specifications, and software updates for engine and battery diagnostics.

KONNWEI OBD2 Extension Cable User Manual

OBD2 Extension Cable (8-pin and 16-pin variants) • 1 PDF • November 3, 2026
User manual for the KONNWEI OBD2 Extension Cable, providing instructions for installation, usage, and care for extending diagnostic tool reach.

KONNWEI KW331 Car Battery Tester User Manual

KW331 • November 2, 2026
Instruction manual for the KONNWEI KW331 Car Battery Tester, covering setup, operation, maintenance, troubleshooting, and specifications for 6V, 12V, and 24V batteries including Flooded, AGM, GEL, EFB, and…

KONNWEI KW480 OBD2 Scanner User Manual

KW480 • 1 PDF • November 1, 2026
Comprehensive instruction manual for the KONNWEI KW480 OBD2 Scanner, covering safety, setup, operation, maintenance, specifications, and support for BMW, MINI, Rolls-Royce, and universal OBDII/EOBD vehicles.

Community-shared KONNWEI manuals

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KONNWEI support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I update my KONNWEI OBD2 scanner?

    Most KONNWEI scanners can be updated by downloading the specific update tool (such as Uplink or BTLINK) from the official KONNWEI website and connecting the device to a Windows PC via USB.

  • What app should I use with KONNWEI Bluetooth scanners?

    For Bluetooth models like the KDIAG or generic ELM327 adapters, you can typically use the proprietary KDIAG app or popular third-party apps like 'Car Scanner ELM OBD2' and 'Torque' available on iOS and Android.

  • Can KONNWEI battery testers check 6V batteries?

    Yes, specific models such as the KW710 and KW218 are designed to test 6V, 12V, and 24V batteries, covering motorcycles, cars, and trucks.

  • Where is the OBDII port located in my car?

    The OBDII port is usually located under the dashboard on the driver's side, often within 12 inches of the steering wheel, though some vehicles may have it behind an ashtray or center console covering.