KONNWEI KW350

KONNWEI KW350 OBD2 Diagnostic Scanner User Manual

For VW, Audi, Seat, and Skoda Vehicles & Universal OBD2

Introduction

The KONNWEI KW350 is a full system OBD2 car diagnostic scanner specifically designed for VW/Audi series vehicles. It allows users to diagnose and clear electronic system problems, supporting various protocols including KWP, TP-CAN, and New UDS, as well as all OBDII protocols. The KW350 is capable of reading fault codes from up to 100 electronic systems such as engine, ABS, airbag, transmission, and EPB. Additionally, it offers full OBDII functions for diagnosing and resetting the check engine light, and includes special functions like Oil Service Light reset, Battery Matching, Electronic Parking Brake replacement, and Throttle Position diagnostics.

KONNWEI KW350 OBD2 Diagnostic Scanner product image
KONNWEI KW350 OBD2 Diagnostic Scanner

Package Contents

Ensure all items are present in your package:

  • KW350 Scan Tool main unit
  • User's Manual
  • Durable Nylon Storage Case
  • USB Cable
KW350 product package contents
KW350 Scan Tool and accessories
KW350 product package contents with USB cable
KW350 Scan Tool, manual, case, and USB cable

Setup

Connecting the Device

The KONNWEI KW350 is designed for plug-and-play operation. No external power supply is needed as it draws power directly from the vehicle's OBDII port.

  1. Locate the OBDII 16-pin port in your vehicle. This port is typically found under the dashboard, near the steering wheel.
  2. Connect the KW350's diagnostic cable to the vehicle's OBDII port.
  3. The device will power on automatically. Follow the on-screen instructions to begin diagnostics.
KW350 Plug and Play connection
Connecting the KW350 to the vehicle's OBDII port

Language Selection

The device supports English and German languages. To change the language:

  1. From the Main Menu, navigate to 'System Setup'.
  2. Select 'Language'.
  3. Choose your desired language (English or Deutsch).
KW350 Software Display and Menu Navigation
Software display showing menu navigation for language change and system setup

Product Overview Video

Watch this video for a quick overview of the KW350's features and basic operation.

KONNWEI KW350 product demonstration and menu navigation.

Operating Instructions

VAG Full System Diagnostics

The KW350 can access and diagnose almost all electronic systems for most VW, Audi, Skoda, and Seat vehicles. This includes reading and erasing fault codes for various systems.

KW350 Main Menu Display
KW350 Main Menu showing VAG diagnostic options

The full system diagnostic capabilities cover:

  • OBD2 Engine System
  • Auto Transmission System
  • Airbag SRS System
  • ABS Brakes System
  • Center Lock System
  • EPB Reset
  • Oil Service Reset
  • Battery matching
  • TPS Check
  • Auto-Air Condition HVAC
  • Steering Wheel
  • Instruments
  • Aux.Heat
  • CAN Gateway
  • Immobilizer
  • Central Cony
  • Throttle Adaptation
  • Read & Clear Error Code
KW350 Full System Diagnostics Diagram
Diagram illustrating full-systems diagnostics for various car systems

Special Functions for VAG Vehicles

The KW350 provides four powerful special functions for professional use on VAG vehicles:

  1. Oil Service Reset: Resets the maintenance-required meter after an oil change. Compatible with KWP1281, KWP2000, TP CAN, UDS protocols.
  2. EPB Reset Brake Pad: Resets the electronic parking brake after brake pad replacement. Compatible with TP CAN (2005-2012) and UDS (2012-NOW) protocols.
  3. Throttle Position Adaption: Adapts the throttle position. Compatible with KWP1281, KWP2000, TP, CAN, UDS protocols.
  4. Battery Matching (BMS Reset): Evaluates battery charge state, monitors close-circuit current, registers battery replacement, and activates the rest state of the vehicle. Compatible with TP CAN, UDS protocols.
KW350 Special Functions
Image showing various special functions of the KW350
KW350 Detailed Special Functions
Detailed view of 4 powerful special functions with protocol compatibility

Universal OBDII Functions

In addition to VAG-specific functions, the KW350 supports full OBDII functions for all OBD2 certified vehicles when the "check engine light" comes on:

  • Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes.
  • Easily determines the cause of the Malfunction Indicator Light (MIL).
  • Turns off Malfunction Indicator Light (MIL), clears codes and resets monitors.
  • Displays DTC definitions on the TFT screen without checking online.
  • Views freeze frame data stored in car computer board.
  • Displays monitor and I/M readiness status (emissions related).
  • Reads live PCM data stream and display in both text mode and graph mode.
  • Retrieves vehicle information (VIN, CIN and CVN).
  • Supports 10 modes of diagnostics, including O2 sensor test, EVAP Test and component Test.
KW350 OBDII Functions Display
KW350 displaying various OBDII functions

Maintenance

Software Updates

The KONNWEI KW350 offers lifetime free software updates. The scan tool can automatically update itself using the KONNWEI Uplink App.

  1. Connect the KW350 to your computer using the provided USB cable.
  2. Launch the KONNWEI Uplink App on your computer.
  3. Follow the on-screen instructions within the app to check for and install updates.
KONNWEI Uplink Update Process Step 1
KONNWEI Uplink App: Initiating the update process
KONNWEI Uplink Update Process Step 2
KONNWEI Uplink App: Completing the update process

Troubleshooting

Compatibility Issues

While the KW350 is compatible with most cars, vehicle OBD2 protocol support can vary by region and specific car designs. Some cars may not support the OBD2 protocol, especially certain Japanese and Korean car brands, or Russian cars before 2012 (VAZ, UAZ, LADA). It does not work with trucks.

If you encounter compatibility issues or specific function problems, it is recommended to contact support with your vehicle details (make, model, year, engine type, and desired function).

Specifications

FeatureDescription
Model NameKONNWEI KW350
Brand NameJFIND (KONNWEI)
Item TypeBattery Testers
Hardware Versionnewest
Software Versionnewest
External Testing CertificationCE, RoHS, FCC
Special FeaturesABS, Airbag SRS, EPB Reset, Transmission
FeatureOBD2 Engine Test And Other 108 Function Test
Is Batteries IncludedNo
UseNot Telecommunication
ElectronicNo
Power (W)W (Not specified, likely draws power from OBDII)
OriginMainland China
Package Length18 cm
Package Width15 cm
Package Height5 cm
Package Weight0.468 kg

Supported VAG Models

The KW350 supports a wide range of VW, Audi, Seat, and Skoda models. Please refer to the images below for detailed compatibility lists.

KW350 Fast Diagnosis for VAG
Fast diagnosis for VAG vehicles and protocol compatibility for special functions
KW350 Supported VW Models
List of supported VW models
KW350 Supported Audi and Skoda Models
List of supported Audi and Skoda models
KW350 Supported Seat Models
List of supported Seat models

Warranty and Support

The KONNWEI KW350 comes with a lifetime free update guarantee, ensuring your device always has the latest software and features. For technical support or inquiries, please refer to the contact information provided in the included User's Manual or utilize the professional feedback system via KONNWEI Uplink™.

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