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The mkiv Supra Owners Club

AEM AFR Gauge


Dave222
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I have my new AEM ECU and its ready to fit the only job I need to do prior to powering up and testing is connect in the 0-5v output from my AEM UEGO AFR gauge (White wire). However there appears to be two Lambda inputs to the original ECU one on pin 47B(red/blue wire I think) and one on 48B (white wire). Can anyone advise which one to use and more importantly am I on the right track ?

Cheers Dave.

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You can use either input but 47B means less configuration in the AEM software.

 

Once installed and running make sure you run the o2 sensor wizard and then calibrate the ECU reading with the gauge by adjusting the O2 Gain.

 

Before doing any configuration/mapping make sure you are running firmware v1.19 or later.

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