Autronic MAFM1 wideband analog to V2

We've been using an M&W WB02 unit ( PLX Compatible) for some time using the analog input on the V2 with no issues .

We've just updated our WB02 to an Autronic MAFM1 which uses the bosch LM11 sensors.

No serial output , so I'll also be using analog - It connects to our mainline dyno no probs , all the right numbers on the screen.

HOWEVER there is a difference from what's displayed on the screen to what is displayed on the EFI Live log screen ( still using plx settings )

Obviously the configuration is different , there is no "Autronic" WB02 on the V2 so I gather I need to re-calibrate the a/d - can anyone shed some light ?:doh2:

There are predefined Autronic pids
{CALC.AFR_AUT1} & {CALC.AFR_AUT2}

You may need to build a calc_pid for your particular model though.

Luis,

Can please you post the Autronic user manual pdf.

This is it . thanks in advance :)

From the manual:

ANALOG O/P CONNECTIONS:-
RED 0 to 5volt O/P = 10.0:1 to 30.0:1 Air fuel ratio (default setting).
WHITE 0 to I volt O/P = 10.0:1 to 30.0:1 Air fuel ratio (default setting).
BROWN Signal Ground
YELLOW Chassis Ground

If stoich = 14.7:1 then the default Lambda range is 0.680 - 2.041
PID expressions would be:

AFR Expression
({EXT.AD}*4)+10
Lambda Expression
({EXT.AD}*0.2722)+0.68

1.176 volts = 14.7 afr/1.00 lambda


Since this thing is programmable you will need to be sure of the settings.