Jaltest (JDC544A) | Hyster 8-pins OBD - 16-pins OBD2 Adapter Cable | Work Vehicle
Warranty directly via AsTools
Warranty directly via AsTools
We handle warranty cases ourselves, quickly and without involving the manufacturer. Thanks to our own parts inventory and technical expertise, we can usually assist you immediately. Only in exceptional cases do we still send the product to the supplier.
2 years warranty on all products
2 years warranty on all products
All our products come with a 2-year factory warranty. This ensures you long-lasting quality and service.
Easy returns
Easy returns
You can easily request your return through your account. We will send you the return label by email. Return shipping costs are your responsibility.
Professional customer service
Professional customer service
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The Jaltest JDC544A connects the 8-pin diagnostic connector of Hyster forklifts with EControls engine management to the 16-pin OBD2 port of your Jaltest diagnostic cable. On the vehicle side, there is a round black connector with eight positions in two rows of four, a red seal at the front and a rectangular locking lug on top. On the OBD2 side, the reference number is moulded into the housing; the cable measures 28 to 30 cm.
Behind that single connection sit two control units: The engine control EControls ECM 4G for the LPG and petrol versions and the VECU, the truck's central vehicle computer. On the engine control, Jaltest software reads fault codes, measured values and maintenance data; on the VECU it is limited to fault codes and measured values. The cable works with Jaltest Link V8.1 and V9 and falls under Jaltest MHE and Jaltest OHW.
KEY BENEFITS
IMPORTANT NOTES
Applications and functionality
Using this connection, you access the control units of the forklift with Jaltest software. Behind the single connector are both the engine management and the vehicle control computer, each with its own set of functions. Which systems are present varies by model series and by engine variant.
Control units you can access
- EControls ECM 4G, engine management: Read and clear fault codes, live data and service information for LPG and petrol variants.
- VECU, vehicle control unit: The truck's main computer, with fault codes and live data.
What you can do
- Read and clear fault codes: Access the fault memory of the control unit, with descriptions of detected faults.
- View live data: Real-time sensor values connected to the control unit, displayed as figures and graphs.
- Check service information: Service intervals for EControls engine management; this function is not covered for VECU.
Compatible vehicles and applications
The engine management system determines compatibility, not the model year. This cable fits Hyster forklifts with EControls engine management and the round 8-pin diagnostic connector. Forklifts have no mandatory diagnostic connector, so this connector remains in use on newer trucks. Jaltest covers the following series listed below; check on your truck which connector you have before ordering.
Hyster (EControls engines):
- H40-60XT (EControls ECM 4G): Model year not determining factor.
- H2.0-3.5XT: European designation for the XT series.
- H40-70FT / H2.0-3.5FT: LPG variant.
- S40-70FT / S2.0-3.5FT: LPG variant.
- H80-120FT: LPG variant.
Package contents
- 1x Jaltest (JDC544A) | Hyster 8-pin OBD to 16-pin OBD2 Adapter Cable | Material Handling Equipment
Technical specifications
| Specification | Description |
|---|---|
| Brand | Jaltest (Cojali) |
| Reference number | JDC544A |
| Type | Adapter cable |
| Application | Hyster forklifts with EControls engine management |
| Length | 28–30 cm |
| Interface | Jaltest Link V8.1 and V9 |
| Vehicle-side connector | 8-pin OBD (round black connector, two rows of four, red seal) |
| Interface-side connector | 16-pin OBD2 |
| Control units | EControls ECM 4G (engine control) and VECU (vehicle control unit) |
| Category | Material Handling Equipment |
| Jaltest module | Jaltest MHE (Material Handling Equipment) and Jaltest OHW (Off-Highway machines) |

To ensure you always have access to the latest software updates and releases for your Jaltest device, it's important that you register the correct distributor.
Only the authorized distributor can perform new software installations and updates. When you designate us as your distributor, we can handle this for you and guarantee that your device stays current and runs smoothly.
How does it work?
-
Download and complete the change form
You can find the form as a PDF file here. -
Send us the completed form
You can easily do this by email to support@astools.eu. -
We'll take care of the rest
With the form, we can notify Jaltest of the change and officially register you as our customer.






