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Appendix g: ecu to adl2 wiring (rs232) – MoTeC ADL2 EDL2 User Manual

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62 Appendices

Appendix G: ECU to ADL2 Wiring (RS232)

The following details the methods for connecting the various MoTeC ECUs to
the ADL2 via RS232. In all cases this is done using the serial data stream
generated by the Telemetry function of each ECU.

In the case of the M800, M880 and M4e the ADL2 may be directly wired to
the ECU because these ECU’s use RS232 interface levels. On the M48, M4
(pre M4e) and the M8 a Computer Interface Module (CIM) or a PCI cable is
required to convert the signals to RS232.

M800 / M880

2
3
5

M800 / M880

ECU

B17 / 40
B18 / 31
B14 / 13

9 pin PC
Connector
(if used)

79

ADL2

Note that the data to the ADL2 will be interrupted while a PC is connected
(DOS software only)

Note that the 9 pin connector is not used if using the Windows Calibration
software.

Note that data may be sent to the ADL2 via the CAN bus as an alternative to
the serial connection.

M4e

2
3
5

M4e ECU

22
23

5

9 Pin PC
Connector

79

ADL2

Note that Older M4 ECUs require a different connection method

Note that the data to the ADL2 will be interrupted while a PC is connected.