Jaltest (MDC12) | 2-pins ABS - 16-pins OBD2 Adapter Cable | Commercial Vehicle
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The Jaltest MDC12 is the test cable for speed sensors. It connects the inductive wheel speed sensor of the ABS to the 16-pin OBD2 connector of the Jaltest ETM. Such a sensor has two connections, which is what 2-pin ABS in the title refers to. Speed sensor and ABS sensor are the same component here.
The cable is an adapter with a black housing marked Jaltest MDC12. One end has the OBD2 plug protruding directly from the housing, while the other end has a short cable running to a round 2-pole connector. You connect this directly to the sensor, not to the vehicle's diagnostic socket. The ETM then sets up the communication itself, so you can see whether the sensor, the wiring or the control unit is the cause.
KEY BENEFITS
POINTS TO NOTE
Applications and functions
Via this cable the Jaltest ETM communicates directly with the component, without the involvement of the vehicle's control unit. With the MDC12 you reach the wheel speed sensor; with the other ETM cables the ETM also covers modulators and wear sensors.
What the Jaltest ETM covers
- EBS Wabco: Modulators of the 1st, 2nd and 3rd generation.
- EBS Knorr-Bremse: Modulators of the 2nd and 3rd generation.
- Trailer Knorr-Bremse: Trailer modulators.
- Speed sensors: Inductive, of ABS and EBS.
- Wear sensors: Brake pad thickness.
What you can do
- Test separately: ETM replaces the control unit.
- Identify the fault: Sensor or wiring.
- End of Line test: Confirm that it works.
- Measure first: Do not replace unnecessarily.
How to use it
- Start the software: Open Jaltest with the ETM on the PC.
- Clear the sensor: Disconnect the plug of the speed sensor.
- Connect: Fit the 2-pole connector to the sensor.
- Connect the ETM: Insert the OBD2 end into the ETM.
- Test: Select the sensor test in the ETM.
Compatible devices and applications
The component determines compatibility, not the vehicle. The MDC12 is intended for inductive wheel speed sensors with a round 2-pole connection and works only with the Jaltest ETM on a Jaltest Link V8.1 or V9. Below is shown which ETM cable belongs to which component.
Cables for the Jaltest ETM:
- MDC02 to MDC09: EBS modulators from Knorr-Bremse and Wabco.
- MDC12 and MDC13: Speed sensors.
- MDC10, MDC11 and MDC14: Brake pad wear sensors.
- MDC100.9: Adapter cable for an earlier ETM version.
What you need
- Jaltest ETM: The test module for components. For the Jaltest Link V9 this is the ETM interface 70001007; the complete ETM kit is 70001008.
- ETM licence: The ETM does not start without this licence. The annual renewal has reference 29701.
- Current Jaltest software licence: A CV licence or a Modular licence. Other modules cannot be combined with the ETM.
- PC or laptop: The ETM does not work on Jaltest handhelds.
Package contents
- 1x Jaltest (MDC12) | 2-pin ABS - 16-pin OBD2 Adapter Cable | Commercial Vehicle
Technical specifications
General
- The manufacturer of the cable or set. This confirms that it is suitable for your Jaltest equipment.Brand
- Jaltest (Cojali)
- The type of item: a component test cable, an adapter, an interface cable or a complete set.Product type
- Test cable
- The version of the Jaltest Link with which the cable works. Please select the version you use in your workshop.Compatible with Jaltest Link
- Jaltest Link V8.1
- Jaltest Link V9
- The braking system components that you can measure with this cable. This helps you choose the cable that suits the component you wish to test.Components to be tested
- Wheel speed sensors
Connections
- The connector used to attach the cable to the Jaltest ETM or Link. It must match your device.Interface-side connection
- 16-pin OBD2
- The connector that attaches to the component or modulator. It determines which component you can connect the cable to.Component-side connection
- Round 2-pin connector (2-pin ABS)
Test functions
- The ETM takes over the role of the control unit. This shows whether the component itself is faulty or the fault lies elsewhere.Test component off the vehicle
- Yes
- A final check to confirm that the component works correctly, for example after a repair.End of Line test (EOL)
- Yes
Licence
- The Jaltest licence required to use the ETM with this cable. It will not work without the correct licence.Required software licence
- CV
- Modular
- Whether this cable is already included in the ETM kit. If not, it can be purchased separately as an addition.Part of the ETM kit
- No
Dimensions
- The length of the cable. A longer cable allows more freedom to reach the component.Cable length
- 24.5 to 25.5 cm
- Reference number
- MDC12
Other specifications
- Version
- Adapter with black plastic housing, marked Jaltest MDC12
- Part of cable set
- No, additional ETM cable alongside the ETM kit (70001008)
- Required for use
- Jaltest ETM with ETM licence and an active CV or Modular software licence
- Not available for
- Jaltest handheld devices
- ETM licence extension
- 29701 (Jaltest ETM, one-year extension)

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.






