MAF Sensor Signal Wire

2012+ US/Canadian Civic Si / 2013+ ILX
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BWelbourn
Posts: 13
Joined: Thu Nov 08, 2012 6:13 pm

MAF Sensor Signal Wire

Post by BWelbourn »

Hello,

I am planning on installing the Snow Performance Stage 2 MAF Water-Methanol injection kit to my 2012 Civic Si. There are 5 wires on the MAF sensor plug. Apparently, the FlashPro Manager help files indicate the two appropriate wires for the IAT sensor, but I am unable to locate the air flow signal wire. Of the 5 wires on the MAF sensor plug, which wire pertains to the 0-5V signal for the air flow? I need to spice into this wire to link to the water-meth controller.

Thank you.
Sleepingpanda
Posts: 7
Joined: Sat May 04, 2013 6:45 pm

Re: AFM Sensor Signal Wire

Post by Sleepingpanda »

BWelbourn wrote:Hello,

I am planning on installing the Snow Performance Stage 2 AFM Water-Methanol injection kit to my 2012 Civic Si. There are 5 wires on the AFM sensor plug. Apparently, the FlashPro Manager help files indicate the two appropriate wires for the IAT sensor, but I am unable to locate the air flow signal wire. Of the 5 wires on the AFM sensor plug, which wire pertains to the 0-5V signal for the air flow? I need to spice into this wire to link to the water-meth controller.

Thank you.


according to my ECU pinout. On connector 'B' of the ECU pin #22 is a Light Blue wire, that is the 'AFM +side' and pin#43 on the same connector is the negative side and it is a Light Green wire.

The wires should be the same color on the AFM plug. Light Blue positive, Light Green is the negative.
IMAG0108.jpg
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BWelbourn
Posts: 13
Joined: Thu Nov 08, 2012 6:13 pm

Re: AFM Sensor Signal Wire

Post by BWelbourn »

Thank you, this is very handy info to have.
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