Aim MoTeC M400 Manuel utilisateur

MoTeC M400-M600-M800 ECU

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

INTRODUCTION

AIM has developed special applications for many of the most common ECU: by special

applications we mean user-friendly systems which allow to easily connect the vehicle ECU

to our hi-tech data loggers: user needs only to install harness between the logger and the

ECU.

Once connected, the logger displays (and/or records, depending on the model and on the

ECU data stream) values like RPM, engine load, throttle position (TPS), air and water

temperatures, battery voltage, speed, gear, lambda value (air/fuel ratio) analog channels...

All AIM loggers include – free of charge – Race Studio 2 software, a powerful tool to

configure the system and analyze recorded data on your PC.

Warning:

once the ECU is connected to the logger, it is necessary to set it in the logger

configuration in Race Studio 2 software. Select Manufacturer “MoTeC” and Model:

“M800-M600-M400” for firmware version up to 2.30S

“M800-M600-M400-1M” for firmware version 2.30S or later

“M800-M600-M400_1M-v3” from firmware version “3.x” onward.

Refer to Race Studio Configuration user manual for further information concerning

the loggers configuration.

As far as any further information concerning ECU firmware/software settings is

concerned, it is always recommended to address to your ECU dealer.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

01 – Technical documentation

MoTeC M400-M600-M800 ECU can communicate with AIM loggers through the CAN

BUS. This communication can be wrong for different reasons related to Hardware,

firmware or software.

11.1 – Hardware check

MoTeC CAN bus communicates with two wires: CAN High (corresponding to AIM CAN+)

and CAN low (corresponding to AIM CAN-). To check if hardware is ok:

•ensure that a 120 Ohm “line-end resistor” is installed between CAN+ and CAN-; use

a multimeter; disconnect AIM logger from the ECU and make this check on both

sides (ECU and logger);

•check if the amplitude of each bit is 2V (or at least 1.8); using a scope ground the

probe on CAN- while measuring CAN+. Please ensure that no filtering feature is

enabled on the scope: this because of high baud rate of this line.

21.2 – Firmware check

When selecting the ECU model in Race Studio Configuration it is necessary to check the

ECU firmware version. To say:

•select “M800-M600-M400” Model for firmware version lower than 2.30S;

•select “M800-M600-M400-1M” Model for firmware version 2.30S or higher

•select “M800-M600-M400-1M_v3” Model for firmware version “3.x”

•select “M800-M600-M400-500k_v3” Model for firmware version “3.x”

Please note that CAN-bus speed is 400Kbit for the first Model, 1Mbit for the 2nd and

3rd models and 500Kbit for the 4th.

31.3 – Software check

For MoTeC ECU to correctly communicate with AIM loggers it is necessary to configure it

using MoTeC “ECU Manager” software “3.x” version and keeping the ECU connected and

switched on. Here follows the correct procedure.

•Run “ECU Manager software” and load the ECU selecting File/Open ECU and

selecting the correct one.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

•Check Communications parameters following this path Tools/Options.

•This window appears.

•Select “Communication” layer and check that “CAN data rate” is set on “1 mbit

(Default)”.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

Set CAN communication parameters following the path: Adjust / General Setup /

Communications / CAN Setup.

•This window appears. It is necessary to set “CAN 0 Data” and “CAN 0 Address”

parameters (highlighted in the image here below).

•Select “CAN 0 Data” row and press “1”. This window appears:

•Enter value “1”.

•Press “OK” and the software comes back to the previous window.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

•Select “CAN 0 Address” row and press “1”. This window appears:

•Enter value “1520”.

•Press “OK” and the software comes back to the previous window.

•Close and save following this path: File/Close & Save”

•Send the configuration to the ECU

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

42 – CAN Communication setup

MoTeC ECU are equipped with a CAN communication protocol whose standard setup is

shown here below.

Warning: if MoTeC communication cable is connected to the PC, this last one takes

priority and AIM logger will not receive data. It is thereby strongly recommended to

disconnect MoTeC communication cable after ECU configuration.

53 – Connecting MoTeC ECU with AIM logger

Connection of MoTeC ECU with AIM logger can be done in two ways: directly or using a

Deltron CAN connector (part number 716-0-0501 – following MoTeC documentation).

73.1 – Connecting MoTeC ECU directly to AIM logger

MoTeC M400-M600-M800 ECU are equipped with two male connectors: a 34 pins male

connector labelled “A” and a 26 pins male one labelled “B”, indicated in the image here

below.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

Here below is the draw showing MoTeC M400-M600-M800 pinout.

With reference to the draw here below, to connect Motec M400-M600-M800 ECU directly

to AIM logger:

•connect AIM cable labelled CAN+ to pin 23 of 26 pins “B” male connector;

•connect AIM cable labelled CAN- to pin 24 of 26 pins “B” male connector;

•connect AIM cable labelled GND to pin 14 of 26 pins “B” male connector.

83.2 – Connecting MoTeC ECU using a Deltron connector

It is possible to connect MoTeC M400-M600-M800 ECU to AIM loggers using a DB9

connector and a Deltron connector whose part number, following MoTeC documentation,

is 716-0-0501. To connect the devices:

•connect AIM cable labelled CAN+ to pin 5 of Deltron Connector connected to pin 23

of 26 pins “B” male connector;

•connect AIM cable labelled CAN- to pin 4 of Deltron Connector connected to pin 24

of 26 pins “B” male connector;

•connect AIM cable labelled GND to pin 1 of Deltron Connector connected to pin 5 of

DB9 connector connected to pin 14 of 26 pins “B” male connector.

Warning: in case this second connection does not work, please address to MoTeC

or to one of its dealers for further information.

MoTeC M400-M600-M800

ECU Technical documentation

Release 1.02

www.aim-sportline.com

64 – M400-M600-M800 ECU communication protocol

Channels received by AIM loggers depend on the ECU firmware version.

94.1 – M800-M600-M400 communication protocol

Channels received by AIM loggers connected to MoTeC M400-M600-M800 ECU with

firmware version lower than 2.30S (select ECU Model M800-M600-M400) are:

ID CHANNEL NAME FUNCTION

ECU_1 M800_RPM RPM

ECU_2 M800_THROTPOS Throttle Position sensor

ECU_3 M800_MANIFPRES Manifold pressure

ECU_4 M800_AIRTEMP Intake air temperature

ECU_5 M800_ENGINE_TEMP Engine temperature

ECU_6 M800_LAMBDA1 Lambda value 1

ECU_7 M800_LAMBDA2 Lambda value 2

ECU_8 M800_EXHAUST_PRESS Exhaust gas pressure

ECU_9 M800_AIR_CHARGE Air/fuel ratio

ECU_10 M800_FUELTEMP Fuel temperature

ECU_11 M800_FUELPRESS Fuel pressure

ECU_12 M800_OILTEMP Oil temperature

ECU_13 M800_OILPRESS Oil pressure

ECU_14 M800_GEARVOLT Gearshift voltage

ECU_15 M800_KNOCKVOLT Knock sensor voltage

ECU_16 M800_GEARSHIFTFORCE Gearshift force

ECU_17 M800_EXHTEMP1 Exhaust temperature 1

ECU_18 M800_EXHTEMP2 Exhaust temperature 2

ECU_19 M800_CHANN1 Custom channel 1

ECU_20 M800_CHANN2 Custom channel 2

ECU_21 M800_CHANN3 Custom channel 3

ECU_22 M800_CHANN4 Custom channel 4

ECU_23 M800_BATTVOLT Battery supply

ECU_24 M800_ECUTEMP ECU temperature

ECU_25 M800_SPEED1 Vehicle speed 1

ECU_26 M800_SPEED2 Vehicle speed 2

ECU_27 M800_SPEED3 Vehicle speed 3

ECU_28 M800_SPEED4 Vehicle speed 4

ECU_29 M800_GROUNDSPEED Ground speed

ECU_30 M800_DRIVESPEED Dashboard speed

ECU_31 M800_SLIP Driven/dragged speed difference

ECU_32 M800_AIMSLIP Target slip value

ECU_33 M800_LAUNCHRPM RPM at launch

ECU_34 M800_GEAR Engaged gear

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