Jaltest (MDC11) | Knorr-Bremse 3-pins BWS – 16-pins OBD2 Adapter Cable | Commercial Vehicle
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The Jaltest MDC11 is the diagnostic cable for wear sensors and connects the brake pad wear sensor to the 16-pin OBD2 port of the Jaltest ETM. It is an adapter with its own housing. From the black plastic housing marked Jaltest MDC11, the OBD2 plug protrudes on one side; on the other side, a short cable runs to a round 3-pin connector with the three contacts in a triangle. On the MDC11, this cable enters the connector at a right angle, at an angle of ninety degrees.
With this connection, the Jaltest ETM accesses the sensor separately from the control unit and establishes the communication itself. This shows whether the sensor is actually faulty, or whether the cause lies in the wiring or the control unit. You confirm this with an End of Line test. In addition to this cable, you need the ETM itself, with an ETM licence and a current CV or Modular software licence.
HIGHLIGHTS
POINTS TO NOTE
Applications and functions
Via this cable, the Jaltest ETM communicates directly with the brake pad wear sensor, without the vehicle's control unit being involved. The cable connects to the sensor, not to the vehicle's diagnostic connector.
Components you can test
- Wear sensor: Monitors the brake pad thickness.
- Connector: Round, 3-pin.
What you can do
- Isolated testing: Without the control unit.
- Establish fault: Whether the cause lies elsewhere.
- End of Line test: Confirm that it works.
How to use it
- Start software: Open Jaltest on the PC or laptop.
- Connect ETM: Connect the OBD2 side to the ETM.
- Clear the connector: Disconnect the vehicle plug from the sensor.
- Connect: Plug the cable into the sensor.
- Test: Start the End of Line test.
Compatible components and applications
The deciding factor is how the cable enters the connector. The MDC11 and the MDC10 have the same housing, the same OBD2 plug and the same round 3-pin connector; on the MDC11, the cable enters at a right angle.
Brake pad wear sensors:
- 3-pin BWS: Round 3-pin connection, cable at a right angle.
Other versions:
- MDC10: Cable straight into the connector.
- MDC12: Speed sensors.
What you need
- Jaltest ETM: The test module itself. For the Jaltest Link V9, this is the ETM interface with reference 70001007; the complete ETM kit is 70001008.
- ETM licence: The ETM does not start without this licence. The annual renewal has reference 29701.
- A current Jaltest software licence: A CV licence or a Modular licence. Other modules cannot be combined with the ETM.
- Term: The ETM licence runs in line with the expiry date of your Jaltest software licence. If that licence has more than one year remaining, you only pay for the remaining period. If the Jaltest licence expires, the ETM will not work until it is renewed.
- Power supply: The ETM is powered from the vehicle's batteries.
Package contents
- 1x Jaltest (MDC11) | Knorr-Bremse 3-pin BWS – 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
- Brake pad wear 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 3-pin BWS connector
- How the item is constructed, for example a separate cable or an adapter with its own housing.Design
- Adapter with its own housing
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
- MDC11
- ETM licence renewal
- 29701 (Jaltest ETM, renewal for 1 year)
- Jaltest module
- Jaltest ETM, alongside Jaltest CV or Modular
Other specifications
- Control units
- None; the ETM takes over the role of the control unit
- Version
- Adapter with its own housing; 16-pin OBD2 plug protruding from the housing and a short cable to the round connector
- Part of cable set
- No; supplied separately as an additional ETM cable
- Required for use
- Jaltest ETM with ETM licence and an active CV or Modular software licence
- Not available for
- Jaltest handheld devices

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.






