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I have searched and I can't seem to find this info.


I need to get a bit of information about the ECU or even where I can find this info.

I am looking for a place in the car (was hoping ECU) that I can tap into to get the signal that tracks the fuel level and the temp level of the car. That is, I want to get the signal that is going to the 2 guages in the cluster that tells these 2 bits of information.

Anyone know where I can find this signal? And if I can, are they a voltage or digital signal from a sensor somewhere?



Any suggestions?

 
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The temp can be found on the ECU RED/WHT wire on the B connector Pin 8
And also on the Multiplex unit

Anyway its a voltage between 0.1-4.8V depending on the temperature



The Fuel level indicator signal can be found at least behind the gauges YEL/BLK wire on the A connector Pin 8

The resistance of the pot in the FGSU and positions on the gauges are the following

F: 11-13 1/2: 68.5-74.5 LOW: 113.4-128 E: 130-132

The FGSU is fed with 5-8V so you do the math on the voltage level...

 
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Hey thanks for the reply. It's exactly what I needed.

 
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For both the connectors (Temp and Fuel) are you referring to the connectors on the ECU pin layout? Or is the fuel "A" connector referring to the connector going to the guage cluster itself?

Thanks man

 
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Yeah, the fuel one is on the gauge cluster and it's A3, and not A8.. sorry

the temp is on the ECU B8