Jaltest (JDC618A9) | Volvo Penta 2-pins OBD - 16-pins OBD2 Adapter Cable | Internal combustion engine
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The Jaltest JDC618A9 is the diagnostic cable for Volvo Penta marine engines; it connects the 2-pin connector to the 16-pin OBD2 port of your Jaltest diagnostic device. This 2-pin plug doesn't fit a standard 16-pin OBD2 cable and is located in the engine compartment, on or next to the engine. Volvo Penta has used different diagnostic connectors for each engine generation: In addition to this 2-pin version, the catalog offers separate cables for 6-pin (JDC527A), 8-pin (JDC528A) and EGCI 6-pin (JDC611A).
Through this connection, the diagnostic equipment accesses the installation network and thus the engine control units ECM EGC and MEFI 3-4 as well as the EVC modules for helm station, propulsion and steering. The difference in coverage lies between these groups: On the ECM EGC you can read data, control components and adjust parameters and calibrations, while on the EVC parameter modules EVC-C and EVC-MC it remains limited to ECU data, parameters and calibration. Volvo Penta has never been bound to a mandatory standard connector, which is why this proprietary plug still appears on newer installations. The cable falls under Jaltest Marine.
KEY BENEFITS
IMPORTANT NOTES
Applications and features
Through this connection, you access with Jaltest software the control modules that Volvo Penta has installed in your system. Which ones are on your engine depends on the engine generation.
Control modules you can access
- ECM EGC — engine control: The Engine Control Module. Read fault codes and live data, command components, and perform parameter and calibration functions.
- MEFI 3-4 — legacy engine control: The electronic engine control system from earlier gasoline engines, with fault codes, live data, component actuation and ECU information; no parameters or calibration.
- EVC-C and EVC-MC — parameter modules: Configure system settings and perform calibrations.
- HIU (EVC) and HCU (EVC) — helm station: The helm interface unit and helm control unit at the control position.
- PCU (EVC) and SCU (EVC) — powertrain and steering: The common powertrain controller and steering control module.
What you can do
- Read fault codes: Access the fault memory of the engine control and EVC modules.
- View live data: Monitor current sensor readings in real time.
- Command components: Perform active tests on the engine control.
- Set parameters and calibrate: On the ECM EGC and EVC parameter modules.
- Live monitoring: Track values in real time while the engine runs, including on the helm and powertrain modules.
Compatible vehicles and applications
The connector type determines compatibility, not the model. This cable fits any Volvo Penta installation with the 2-pin diagnostic connector. Jaltest Marine covers the series listed below; verify which connector is in your engine bay on site.
Volvo Penta:
- GI / GXI / GSI: 3.0 GXI, 4.3 GI and GXI, 5.0 GI and GXI, 5.7 GI, GSI and GXI, 7.4 GI and GSI, 8.1 GI, GSI and GXI, 8.2 GSI
- OSI / OSXI: 4.3 OSI, 5.0 OSI, 5.7 OSI and OSXI, 8.1 OSI
- DPX Series: DPX375, DPX385, DPX415 and DPX420
- V6 and V8 Series: V6-200 through V6-280 and V8-225 through V8-430, including 8.1 IPS
Package Contents
- 1x Jaltest (JDC618A9) | Volvo Penta 2-pin OBD to 16-pin OBD2 Adapter Cable | Gasoline Engine
Technical Specifications
| Specification | Description |
|---|---|
| Brand | Jaltest (Cojali) |
| Reference Number | JDC618A9 |
| Type | Adapter Cable |
| Application | Volvo Penta marine engines with 2-pin diagnostic connector |
| Engine-Side Connection | 2-pin OBD |
| Interface-Side Connection | 16-pin OBD2 |
| Control Units | ECM EGC, MEFI 3-4, EVC-C, EVC-MC, HIU (EVC), HCU (EVC), PCU (EVC) and SCU (EVC) |
| Segment | Gasoline Engine (Marine) |
| Jaltest Module | Jaltest Marine |
| Part of Cable Set | Marine cable set vessel (70002008) and inboard (70002009) |
| Required to Use | Jaltest Link with valid software license |

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.






