NEXPEAK K3 OBD2 Scanner Instruction Manual

1. Introduction

The NEXPEAK K3 is an integrated auto diagnostic tool designed for both gasoline and diesel vehicles, including 12V passenger cars, pickups, and 24V heavy-duty trucks, buses, construction machinery, and agricultural tractors. Running on the Android platform, it offers a wide range of diagnostic functions, reset services, and key programming capabilities. This manual provides essential information for setting up, operating, and maintaining your K3 device.

Image: NEXPEAK K3 OBD2 Scanner, compatible with 24V trucks and 12V cars, supporting over 2000 vehicles with free lifetime updates.

2. Setup Guide

1. Download the Diagnostic Software: On your Android device, scan the QR code provided in the product packaging or search "NexzDAS" directly in the APP STORE for iOS devices to download the diagnostic software.

   Image: NexzDAS app available for download on the App Store.

2. Account Registration and Login: Bind your email account to create a new account. Enter the product serial number and password, then complete the login process.
3. Connect VCI via Bluetooth: Insert the Vehicle Communication Interface (VCI) into your vehicle's OBD-II port. Open the diagnostic software on your device; it will automatically connect to the VCI via Bluetooth.
4. Download Required Car Models: From within the application, download the specific car models or truck models required for diagnosis.

Image: Visual guide for the setup process, including app download, account creation, VCI connection, and model download.

3. Operating Instructions

3.1. Full System Diagnosis

The NEXPEAK K3 performs a quick scan of the entire vehicle system, providing in-depth diagnosis of all electronic systems. This includes, but is not limited to, Engine, Airbag/SRS, Transmission, ABS, SAS, Air Conditioning, ACC, Audio, Headlight, Center Lock, ESP, and Suspension systems.

Image: Illustration of vehicle systems covered by the full system diagnosis.

3.2. Supported Vehicle Types

The K3 supports a wide range of vehicles:

• 12V Vehicle Types: Passenger cars, pickups, and diesel cars.
• 24V Vehicle Types: Trucks, buses, construction machinery, and agricultural tractors.

Image: Visual examples of supported 12V and 24V vehicle types.

3.3. Special Functions and Reset Services

The device offers 18 special functions and reset services for both cars and trucks:

• Car Functions: Oil Reset, TPMS, ABS Bleed, SAS, TPS, DPF, EPB, Battery Test, Injector Adjust, Key Programming.
• Truck Functions: VIN Modification, PRV Valve Test, ECU Reset, Idle Speed Adjustment, Broken Cylinder Test, ECU Programme, Clear Spec DTC, DPF.

Image: Visual representation of the 18 special functions and reset services.

Detailed Special Functions:

• Oil Reset: Resets maintenance mileage and data intervals for the Engine Oil Life system after an oil change.
• TPMS: Displays sensor IDs from the vehicle’s ECU and allows inputting new TPMS sensor replacement IDs for testing and activation.
• ABS Bleed: Cycles system solenoid valves and runs the pump to purge air from secondary circuits.
• SAS (Steering Angle Sensor): Clears fault steering angle sensor memories and assists in SAS calibration.
• Injector Adjust: Programs diesel injector codes (ID and parameters) to the ECU for accurate communication and injection control.
• TPS (Throttle Position Sensor): Monitors the position of the throttle butterfly valve.
• Battery Test: Evaluates battery charge state, monitors close-circuit current, registers new battery replacements, and activates the reset state of the vehicle battery system.
• EPB (Electronic Parking Brake): Essential for maintaining the safety and efficiency of the electronic braking system when replacing brake pads or motors.
• DPF (Diesel Particulate Filter): Specifically for diesel particulate filter systems, including DPF regeneration, component replacement teach-in, and DPF teach-in after ECU replacement.

3.4. Key Programming

The K3 supports various key programming functions for cars:

• Immo Code Reading: Reads immobilizer codes for specific car models.
• Key Programming: Supports key matching.
• Add Car Key: Adds and matches new keys to the vehicle.
• Erase Car Key: Deletes unnecessary keys.
• Key Information Reading: Reads key information such as quantity and frequency.
• All Key Lost: Supports direct OBD matching for most cars when all keys are lost.

Image: Visual guide to key programming capabilities.

3.5. Odometer Adjustment

The K3 supports odometer adjustment for various truck brands, including JMC, FOTO, JAC, QINGLING, QUANCHAI, ISUZU, DONGFENG, SHANGCHAI, YUNNEI, and others.

Image: Illustration of advanced functions including odometer adjustment.

3.6. DTC Query and VIN Query

The device includes DTC Query and VIN Query functions for quick fault identification and vehicle information retrieval.

• DTC Query: Helps determine the faulty system based on the Diagnostic Trouble Code (DTC).
  • Codes starting with 'C' indicate a fault in the chassis system.
  • Codes starting with 'B' indicate a fault in the body system.
  • Codes starting with 'P' indicate a fault in the power system.
  • Codes starting with 'U' indicate a fault in the network or data communication plug-in system.
• VIN Query: Allows searching for vehicle information using the VIN.

Image: DTC Query interface and explanation of fault code prefixes.

3.7. Live Data Playback and Data Management

The K3 offers live data playback for real-time data recording and display, saving time and enhancing convenience. It also includes data management features for images, videos, and diagnosis reports.

Image: Full OBDII Diagnosis Functions interface, including live data playback.

3.8. App Interface Overview (Video)

This video demonstrates the user interface of the NEXPEAK K3 application, showing navigation through settings, language selection, vehicle diagnosis, and special functions.

4. Maintenance and Updates

4.1. Software Updates

The NEXPEAK K3 offers free lifetime updates for its diagnostic software. Ensure your device is connected to Wi-Fi to download and install the latest versions. Updates include new features, vehicle coverage, and bug fixes.

Image: Steps for updating the NEXPEAK K3 software.

Latest Update Information:

• 7 New Special Functions for Truck Diagnostics:
  • Oil Reset: for ISUZU, DONGFENG, XINCHAI, SCANIA
  • TPMS: for ISUZU, SCANIA
  • SAS: for ISUZU
  • SUSPENSION: for SCANIA
  • Gear Learn: for ISUZU
  • Tire Change: for ISUZU, SCANIA
  • Clutch Matching: for ISUZU, SCANIA
• Arabic language support is currently being translated and will be added in subsequent updates.

5. Troubleshooting

If you encounter issues with your NEXPEAK K3, consider the following common troubleshooting steps:

• Connection Issues: Ensure the VCI is securely plugged into the OBD-II port and your Android/iOS device's Bluetooth is enabled and connected to the VCI.
• Software Not Working/Crashing: Verify that the diagnostic software is updated to the latest version. If the issue persists, try reinstalling the application.
• Vehicle Not Supported: Confirm that your specific vehicle model and year are covered by the NEXPEAK K3. Check the extensive list of supported car and truck brands in the specifications section.
• Specific Function Failure (e.g., "not work on Isuzu FTS"): Some users have reported issues with specific truck models or functions. Ensure all software updates are applied. If the problem continues, utilize the "Feedback" function within the app or contact customer support for remote assistance.
• Language Issues: If the device is not displaying the correct language, navigate to the settings menu within the app and select your preferred language.

For complex issues, the device offers a "Feedback" function within the app and remote assistance from the manufacturer.

6. Specifications

6.1. Supported Car Brands (Full System Diagnosis)

The NEXPEAK K3 supports over 160 car brands globally. Key regions and examples include:

• America: Chrysler, Ford, Mercury, Lincoln, GM, GMC, Chevrolet, Buick, Hummer, Saturn, Pontiac, Cadillac, Oldsmobile, Jeep, Scion.
• Europe: Abarth, Aston Martin, Ferrari, Maserati, Alfa Romeo, Audi, Bentley, Benz, Sprinter, Maybach, BMW, Bugatti, Citroen, Dacia, Fiat, Ford, Jaguar, Lamborghini, Lancia, Land Rover, Mini, OPEL, Peugeot, Porsche, Renault, Rolls Royce, Saab, Seat, Skoda, Smart, Vauxhall, Volvo, VW, CVVW.
• Asia: Acura, Daewoo, Honda, Hyundai, Infiniti, Isuzu, Kia, Lexus, Mazda, Mitsubishi, Nissan, Perodua, Proton, Ssangyong, Subaru, Suzuki, Toyota, Renaultsm.
• China: Baic, Baicsenova, BaoJunAuto, BAW, BEILV, BJEV, BJHY, BJJEEP, BYD, CHANGAN, CHANGHE, CHERY, CHERYNEWENERGY, CHSUZUKI, CNTOYOTA, DADIAUTO, DFFX, DFHONDA, DFNISSAN, DFPV, DFXK, DYK, EMGRAND, ENGLON, FAWBT, FAWCAR, FAWDF, FAWERFA, FAWHL, FAWHONGTA, FAWHQ, FAWJL, FAWMC, AUDI, VW, FODAY, FOTON, FUQI, FUZHOU, GACMOTOR, GEELY, GLEAGLE, GONOWAUTO, GWM, GZHONDA, HAFEI, HAIMA, HANJIANG, HAWTAI, HBSH, HCBMW, HEIBAO, JIANGNAN, HUACHEN, HUAYANG, JAC, JACAUTO, JMC, JOYLONGAUTOMOBILE, KARRY, KINGLONG, LANDWIND, LIFAN, MAPLE, MEIYA, NAVECO, NEWDADI, POLARSUN, QINGLING, QOROS, RELY, ROEWE, SAIBAO, SAICMAXUS, SAMSUNG, SGAUTO, SHAC, SHGM, SOUEAST, TIANMA, TJFAW, WANFENG, WULING, XINKAI, XINYATU, YEMAAUTO, YOUNGMANLOTUS, YUAN, YUEJIN, ZOTYE, ZXAUTO, ZZHAIMA, ZZNISSAN.
• Australia: Ford, Holden.

Image: Partial list of supported car brands for China and Australia.

Image: Partial list of supported car brands for America, Europe, and Asia.

6.2. Supported Truck Brands (Full System Diagnosis)

The NEXPEAK K3 supports over 180 truck brands globally, including newly added brands like DEUTZHD, CREDOHD, PACCARHD, ISUZUGCJXHD, ASHOK LEYLANDHD (Indian), TATAHD (Indian), MAHINDRAHD (Indian). Other supported categories include:

• Trucks: TATA, Ashok Leyland, Mahindra, Eicher, Auto Scan(China), BENZ(HD), BENZ(LD), DAF, DEUTZ, MAN, SCANIA, UD, FUSO, HINO, VOLVO, ISUZU, RENUALT, HYUNDAI, IVECO, FORD, MACK, DETROIT, INTERNATIONAL, FREIGHTLINER, KENWORTH, ERF, KIA, PACCAR, DONGFENG, FAW, FAW Hongta, FAW Liute, FAW Lingyuan, SINOTRUCK, Shacman, FOTON, JAC, JMC, QINGLING, C&C Trucks, CAMC, JINGBEI, GUANGQIHINO, HONGYAN, HUATAI, NAVECO, Sichuan Hyundai, ZZNISSAN, AOCHI, BEIBEN, BEIJINGPAI, BOJUN, CHANGZHENG, CHUANJIAO, DATONG, DAYUN, HEIBAO, KAMA, KAIRUILVKA, LIFANJUNMA, NANJUN, SHIDAI, SHIJUN, TANGJUN, YUEJIN, SHIFENG.
• Buses: Toyota BUS, HYUNDAI BUS, KIA BUS, CREDO, KINGLONG, ANKAI, BEIJING BUS, HIGER, SHAOLIN BUS, SUNLONG, YUTONG BUS, YOUYI BUS, FOTON BUS.
• Construction Machinery: Atlas, CATERPILLAR, Chengdu KOBELCO, Dasin, DOOSAN, Ftlw, FUWA, Fuzhou Sanyuan, HEIMAO, HENGTE, HUANGHE, Kato, CASE, KOMATSU, Liebherr, LISHIDE, LIUGONG, LONGGONG, PENGPU, Hitachi, ISUZU Engineering, SANY, SHANTUI, Sunward, Bobcat, KOBELCO, IHI, SHUNTONG, TEREX, Hyundai Machinery, XGMA, XCMG, Yanmar, YITUO, YUCHAI, YUTONG, Jonyang, Zhenyu, ZOOMLION, ZHONGYOU, Takeuchi, Sumitomo, Zhonglian, SEM Machinery, Kubota, VOLVO, Xinyuan Heavy Industry, Taishan Machinery.
• Agricultural Machinery: DONGFANGHONG, ISUZU, JINGNING, JOHN DEERE, LONGBENG, MANYUE, RUIKE, XINFENG, YIKONG, BAOLICC, HANGZHOUCC, LANBOWCC, NIULICC, NEW HOLLAND.
• Engines: CAMC Engine, CHANGCHAI, CHAOCHAI, CUMMINS, DACHAI, DELPHI, Dongfengfengshen, Dongfengleinuo, DOOSAN, Hongyanjieshi, Huayuanlaidong, MAXXFORCE, PERKINS, QUANCHAI, SHANGCHAI, SiDaDongLi, WEICHAI, XICHAI, XINCHAI, XinChenDongLi, YANGCHAI, YiQiSiHuan, YUCHAI, NAVISTAR, YUNNEI Power.
• Electronic Systems: ABS, ALLISON, BENDIX, BOSCH, CBCU, DENSO, FEUP, HENGYANGDTB, NANYUE, SIEMENS, WEITE, ASTRA, CUMMINS, SCR, GAS, MILEAGE, TRANSMISSION, IMMO, ASS, HengYangBeng, Bremach, Truck OBD, Car OBD, DEMO.

7. Warranty and Support

The NEXPEAK K3 comes with a 3-year worry-free warranty. For any technical assistance or inquiries, please utilize the "Feedback" function within the application. The manufacturer provides remote assistance to help resolve complex diagnostic issues.

8. User Tips

• For Diesel Workshops: The NEXPEAK K3 is designed to be a good tool for diesel workshops, offering comprehensive truck diagnosis and specialized functions.
• Vehicle Compatibility: While the tool supports a vast number of vehicles, always ensure your specific model is listed in the supported vehicle coverage to avoid compatibility issues.
• Software Updates: Regularly check for and install software updates to ensure access to the latest features, vehicle models, and bug fixes. This is crucial for optimal performance and compatibility.
• Remote Assistance: Don't hesitate to use the remote assistance feature for complex diagnostic challenges.

9. Package Contents

Upon opening your NEXPEAK K3 package, you should find the following items:

• K3 VCI (Vehicle Communication Interface) x 1
• Software Guide Paper x 1
• Product Serial Number Indication x 1
• Packing Small Bag x 1

Image: Contents of the NEXPEAK K3 package.