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Quite a sophisticated Diesel Engine management system ECU. Manufactured by Bosch, this ECU is most often referred to in BMW terminology as version 4.0 of its DDE (Digital Diesel Electronics) series. However in Bosch terminology circles the physical ECU itself can often be denoted having some sub suffix of the EDC (Electronic Diesel Control). Being a flash based ECU with a huge memory the entire code that controls its operationally and functionality including its self diagnostic capability is determined by whatever version of software is programmed into it. This means that although the ECU may be physically the same as that used in other applications such as the TD6 Range Rover, dramatic changes in the communications and the coding mean that different applications require different modules. This module is specifically written deals with the ECU when programmed to suit the small four cylindered Turbo dies engine found in the TD4 Freelander introduced for 2001 onwards up to present day and a small variety of similarly aged Rover and MG vehicles. Although it is a modern enough ECU to fully support the limited degree of information and fault codes provided for by enforced OBDII compliance, there are of course many more fault codes, functions and features that this module gives access to including security link learning and re synchronization. |
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Version 1.22 |
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Vehicle makes, models and variants known or believed to be using this vehicle system, required diagnostic lead and degree of known compatibility.
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Details of the pin usage for the ECU connector(s).
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C0606 | ![]() |
1 | MAF sensor supply |
2 | MAF sensor signal |
3 | MAF sensor earth |
4 | CMP signal |
5 | Not used |
6 | CKP signal |
7 | Not used |
8 | Not used |
9 | Fuel pressure sensor supply |
10 | EGR |
11 | Not used |
12 | Glow plug control |
13 | Not used |
14 | Boost pressure sensor supply |
15 | Boost pressure sensor signal |
16 | Boost pressure sensor earth |
17 | CMP earth |
18 | Not used |
19 | Speed signal screen earth |
20 | Fuel rail pressure sensor earth |
21 | Not used |
22 | Not used |
23 | Boost control solenoid valve supply |
24 | Not used |
25 | Not used |
26 | Not used |
27 | Not used |
28 | ECT signal |
29 | IAT signal |
30 | Not used |
31 | CKP earth |
32 | ECT Earth |
33 | Fuel rail pressure sensor signal |
34 | Not Used |
35 | Fuel rail pressure sensor supply |
36 | Not used |
37 | Not used |
38 | Fuel Pressure regulator |
39 | Not used |
40 | Not used |
41 | Oil pressure switch |
42 | Not used |
43 | Not used |
44 | Not used |
45 | Not used |
46 | Not used |
47 | Not used |
48 | Not used |
49 | Not used |
50 | Charge Check alternator |
51 | Not used |
52 | Fault status glow plug relay |
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Reads the fault code memory. The ECU can self detect up to 25 different categories of problem with itself, its wiring and its associated sensors, storing the respective code if it detects any malfunction or reading outside of pre defined acceptable limits. Not all stored faults may cause the fault warning lamp to illuminate. |
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Clears the fault code memory. |
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Values, configuration settings, and other stored information which can be read from the ECU, edited and then rewritten back. Read settings can also be stored as a standard HTML page for reference. These pages can then later be re loaded and re written back to the ECU. Please note that some values may be read only due to the fact that they are supplied from the ECU’s ROM or are internally calculated. SETTINGS INFORMATION
HISTORY RECORDS 1-12: There are 12 history records storing information related to the programming of the ECU.
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Realtime live display of the information the electronic control unit of the selected vehicle system is currently deriving from its input sensors. GENERAL
CYLINDER BALANCING
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Choice of outputs that can be tested. Each output has an ON and OFF choice. Click on the ON link to start the test and on OFF to end.
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Function that can be performed.
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