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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

Latest manuals from manuals+ curated for this brand.

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 OBD2 Diagnostic Scanner Instruction Manual

August 4, 2026
KONNWEI OBD2 Diagnostic Scanner Specifications Product name OPCOM Item type OBD2 Diagnostic Scanner & Code Reader Core chips PIC18F458 + FTDI Chip Hardware versions V1.70 / V1.95 / V1.99 Firmware…

KONNwei KDIAG Bluetooth OBD2 Full System Scanner User Manual

August 1, 2026
KONNwei KDIAG Bluetooth OBD2 Full System Scanner Specification Specification Details Product Type OBD-II Code Reader & Scan Tool Brand KONNWEI Communication Interface OBD-II Wireless Connectivity Bluetooth Battery Included No Companion…

KONNwei KW901 Bluetooth Car OBD2 Scanner User Manual

July 22, 2026
KONNwei KW901 Bluetooth Car OBD2 Scanner Technical Specifications Project Specification Working voltage 12V DC (9-16V) Working current ≤50 mA Bluetooth version Bluetooth 5.2 Transmission distance ≤10 Meter (barrier-free environment) Operating…

KONNWEI KW905 OBD2 Scanner User Manual

July 14, 2026
KONNWEI KW905 OBD2 Scanner Setup & Use Locate the vehicle’s standard 16-pin OBD Data Link Connector (DLC) beneath the dashboard. Insert the KW905 scanner into the OBD port. Turn the…

‎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 MAXOBD OBD2 Scanner User Manual

maxobdTM • February 9, 2026
Comprehensive user manual for the KONNWEI MAXOBD OBD2 Scanner, providing instructions for setup, operation, maintenance, and troubleshooting.

KONNWEI KW331 Car Battery Tester User Manual

KW331 • 1 PDF • September 14, 2026
Comprehensive user manual for the KONNWEI KW331 Car Battery Tester, covering setup, operation, maintenance, troubleshooting, specifications, and support for 6V, 12V, and 24V automotive batteries.

KONNWEI KW700 12V/24V Battery Tester User Manual

KW700 • September 10, 2026
Comprehensive user manual for the KONNWEI KW700 12V and 24V Battery Tester with print function. Learn how to perform battery health, cranking, and charging tests on various vehicle…

KONNWEI KW600 Digital Car Battery Tester User Manual

KW600 • September 9, 2026
Comprehensive instruction manual for the KONNWEI KW600 Digital Car Battery Tester, covering setup, operation, maintenance, troubleshooting, and specifications for 12V vehicle battery analysis.

KONNWEI KW680 OBD2 Scanner User Manual

KW680 • 1 PDF • September 6, 2026
Comprehensive user manual for the KONNWEI KW680 OBD2/EOBD/CAN code reader, including setup, operation, diagnostic functions, maintenance, specifications, and troubleshooting.

KONNWEI KW309 OBD2 Fault Scanner User Manual

KW309 • 1 PDF • August 28, 2026
Comprehensive user manual for the KONNWEI KW309 OBD2 Fault Scanner, including setup, operation, maintenance, troubleshooting, specifications, and warranty information.

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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.