Jaltest CV (Commercial Vehicles) Diagnostic Tool

The Jaltest CV is not a standard reading device but a professional diagnostic platform designed for in-depth diagnosis of commercial vehicles. This multi-brand and multi-system platform is suitable for, among others, trucks, buses, trailers, vans, and special vehicles. The platform consists of a robust wireless VCI (Vehicle Communication Interface) combined with the powerful Jaltest SOFT diagnostic software, which is installed on a compatible PC or laptop.

The strength of Jaltest lies in the combination of extensive vehicle coverage, in-depth diagnostic capabilities and integrated technical support tools. Besides reading and clearing fault codes, the system provides direct access to a comprehensive database with technical data, wiring diagrams, repair instructions, maintenance procedures, and live measurements. This allows the technician not only to identify the fault code but also to analyze the cause and perform the correct solution — all within one clear and user-friendly interface. Jaltest CV is widely recognized as the market leader in multi-brand diagnostics for commercial vehicles.

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Diagnostic functions:

Jaltest CV offers extensive and brand-independent diagnostic capabilities at OE level for all electronic systems within commercial vehicles. The core functions include:

• Complete system diagnosis: automatically performs a full scan of all present control units (ECUs) in the vehicle and immediately detects fault codes per system.
• Reading and clearing fault codes: displays current, permanent, and intermittent fault codes with clear descriptions, including original OEM fault code numbers and explanatory details.
• Live data monitoring: records real-time values from sensors and parameters. Data can be displayed numerically and graphically, with the ability to save measurements for later analysis.
• Testing actuators: directly controls individual components such as valves, relays, injectors, or electric actuators to verify their operation in real time.
• ECU and system information: provides access to technical data of the control units, including part number, software version, serial number, and initial installation data.

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Maintenance, service, and calibration functions:

The Jaltest CV module offers a very comprehensive package of maintenance, service, and calibration procedures for trucks, buses and trailers. These functions are often equivalent to, or even more extensive than, the capabilities of brand-specific diagnostic equipment. They enable technicians to perform complete diagnostics and corrective actions entirely independently.

Engine and exhaust gas aftertreatment:

• DPF service: supports forced, static, and dynamic regeneration of the diesel particulate filter, including reset of soot and ash values.
• SCR/AdBlue system service: diagnosis and maintenance of AdBlue pump, injector, and heating. Including leak test, pressure check, and reset procedures.
• Injector coding: writes IMA, C2i, or C3i codes to the ECU for accurate injection.
• Cylinder cut-out test: checks individual cylinder contributions to quickly locate mechanical defects.
• Compression test: software-controlled test to assess the relative compression of the engine.
• EGR/throttle body learning: calibration after cleaning or replacing the EGR valve or throttle body.
• VGT turbo test: tests the variable geometry turbo for response and range of motion.
• Crankshaft/camshaft sensor learning: executes the learning procedure after replacing the sensor or control unit.

Transmission and driveline:

• Transmission calibration: adjusting shift actuators and clutch in automatic transmissions such as I-Shift, Opticruise, and AS Tronic.
• Clutch learning: determines the engagement point and performs wear control.
• Transmission oil service reset: restores the maintenance interval for transmission oil.

Brake and safety systems:

• EPB service: control of electronic parking brake for maintenance on the brake calipers.
• ABS/EBS bleeding: activates the pump to remove air from the system.
• Brake pressure sensor calibration: calibration of pressure sensors within the EBS system.
• Wear indicator reset: reset of wear warning systems with new brake pads.

Chassis, suspension, and steering:

• Air suspension calibration (EAS/ECAS): re-calibrates the ride height and sensors. Essential after replacing air suspension components.
• Steering Angle Sensor (SAS) calibration: calibration after alignment or work on steering and suspension.

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Advanced diagnosis & technical information:

One of the most distinctive features of Jaltest CV is the direct integration of in-depth technical information into the diagnostic software. This enables technicians to quickly switch between fault analysis, system knowledge, and practical execution.

• System technical data: provides extensive specifications of vehicle sensors, actuators, and control units, including nominal values, signal ranges, and operating characteristics.
• Interactive wiring diagrams: fully interactive electrical diagrams where components, wiring, and pin-outs are clickable. For each element, the corresponding measurement values, test procedures, and connection data are displayed immediately.
• Vehicle technical data: access to a comprehensive database with all relevant vehicle information, including torque specifications, fluid capacities, adjustment data, and mechanical specifications.
• Repair guides per fault code: for each detected fault code, Jaltest offers a step-by-step repair guide, including cause and solution analysis, based on brand and vehicle data.
• Guided problem diagnosis per symptom: even in the absence of fault codes, the user can start with a symptom-based diagnosis, for example, for complaints like "engine won't start", with guided test steps and logic.
• Maintenance data: provides insight into the maintenance schedule per vehicle model, including tasks, intervals, and required parts or fluids.
• Component locations and photos: shows detailed photos and location information of ECUs, sensors, and actuators for quick physical identification and access in the vehicle.

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Specialized software modules:

The Jaltest platform is modular and can be expanded with additional software modules that significantly enhance the functionality of the diagnostic device:

• Jaltest GRP (Garage Resource Planning): an integrated workshop management system that offers functions for customer management, work order scheduling, quotation preparation, repair history, and automatic linking of diagnostic reports to the work order. This transforms Jaltest into a complete CRM and workshop management platform.
• Jaltest ETM (Electronic Test Module): in combination with the optional ETM hardware, electronic vehicle components can be tested outside the vehicle. This applies, among others, to ABS modulators, brake pedal sensors, pressure sensors and speed sensors, ideal for troubleshooting components with questionable operation.
• Jaltest Info: provides access to an extensive technical knowledge base with repair manuals, wiring diagrams, adjustment data, fault code explanations and technical bulletins by vehicle make and model. This digital encyclopedia is fully integrated into the diagnostic environment.

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Supported vehicle brands:

• Best vans: Agrale, Ashok Leyland, Citroën, Dacia, DFSK, Dodge, Fiat, Force Motors, Ford, Foton, Freightliner, GAZ, GMC/Chevrolet, Great Wall, Hino USA, Holden, Hyundai, International, Isuzu, Isuzu USA, Iveco, Kia, LDV/Maxus, Mahindra, MAN, Mazda, Mercedes-Benz, Mitsubishi, Mitsubishi Fuso USA, Multicar, Nissan, Opel, Peugeot, Piaggio, Renault, Santana, Tata, Toyota, UD Trucks, Vauxhall, Volkswagen
• Buses: Agrale, Alexander Dennis, Ashok Leyland, Autosan, BCI, BharatBenz, BLK, Blue Bird, BMC, BYD, Credo, Daewoo, Dina, Eicher, Force Motors, Ford Custom Chassis, Freightliner Custom Chassis, Gillig, Golden Dragon, Higer, Hino, Hyundai, IC (International), Irizar, Isuzu, Iveco/Irisbus, Karsan, Kia, King Long, Mahindra, MAN, MAZ, MCI, MCV, Menarinibus, Mercedes-Benz, Mitsubishi Fuso, NABI, NefAZ, Neoplan, New Flyer, Nissan, Nova Bus, Orion, Otokar, Prevost, Renault, Scania, Setra, SML Isuzu, Solaris, Solbus, SOR, Tata, Temsa, Thomas Built, Toyota, Van Hool, VDL, Viseon Bus, Volkswagen, Volvo, Wrightbus, Yutong, ZhongTong
• Trucks: Agrale, Ashok Leyland, Askam, Astra, AVIA, BeiBen, BharatBenz, BMC, CAMC, Capacity, Caterpillar, CNHTC-Sinotruk, DAF, Dennis Eagle, Dongfeng, Eicher, ERF, FAW, Foden, Ford, Foton, Freightliner, GAZ, Haohan, Hino, Hyundai, International, Isuzu, Iveco, JAC, KamAZ, Kenworth, Mack, Mahindra, MAN, MAZ, Mercedes-Benz, Mitsubishi Fuso, Nissan, Oshkosh, Peterbilt, Renault, SAIC-Iveco Hongyan, Scania, Seddon Atkinson, Shacman, Sisu, SML Isuzu, Sterling, Tata, Tata-Daewoo, Tatra, Terberg, UD Trucks, Uro, Volkswagen, Volvo, Volvo USA, Western Star
• Trailers: Bendix, Carrier, Chereau, Cojali, Dana, Haldex, Knorr-Bremse, Thermo King, Vigia, Wabco
• Manufacturers: Aisin, Allison, Bendix, Bosch Rexroth, Carrier, Caterpillar, Chereau, Cummins, Daimler Trucks, Dana, Detroit Diesel-MBE, Eaton, Freightliner, GM, Hino, International, Isuzu, Iveco-FPT, KamAZ, Mack, Mercedes-Benz, Meritor Wabco, MWM, Navistar, Paccar, PSI, Thermo King, PSI, Thermo King, Twin Disc, VM Motori, Voith, Volvo, Wabco, Weichai, Yuchai, ZF, ZF Meritor

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Package Contents:

• Jaltest Link V9 Interface
• Jaltest 15 Pins DB15 - 16 Pins OBD2 Adapter Plug
• Jaltest 26 Pins DB26 Extension Cable
• Jaltest USB-A - USB-B
• Jaltest Multi-pin Kit
• Jaltest Storage Case (Compact)
• Jaltest Cigarette Lighter Adapter Cable

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License information:

Jaltest CV operates based on a annual software license. This license provides full access to the platform and includes:

• Three major software updates per year, with improved vehicle coverage, new features, and up-to-date technical information.
• Access to technical support, including assistance with diagnostic procedures, activations, and updates.

Modular structure:

The Jaltest software is modularly expandable. In addition to commercial vehicles (CV), additional licenses can be activated for other vehicle categories, such as:

• Agricultural vehicles (AGV)
• Off-Highway machines (OHW)
• Material Handling Equipment (MHE)
• Maritime applications (Marine)

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Technical specifications