Map Voltage from ALDL

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12-30-2004, 06:34 PM

jasonrmorrow

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Map Voltage from ALDL

How can i read the map voltage on my OBDI vehicle ?? What pins do i probe to get a reading. And what is a normal reading, i think i have a vacuum leak. It is a 92 Camaro TPI. Thanks

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12-30-2004, 07:08 PM

kevinc

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Car: 1982 Z28

Engine: LS1

Transmission: T56

Moates software, a laptop, and a cable will put you in business. Check the DIY-PROM forum.

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12-30-2004, 09:34 PM

Grim Reaper

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Engine: 666 c.i.

Alternatively, you can read voltage off the sensor itself.

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12-31-2004, 02:12 PM

jasonrmorrow

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Thats what i thought i could do, do you know what the reading is supposed to be ?

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12-31-2004, 05:49 PM

Vader

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You can try this as a starting point for a 1 Bar MAP:

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01-01-2005, 03:18 PM

jasonrmorrow

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Wow thanks vader that helps a ton, i can read terminal a and b on the map sensor itself to get the voltage i know i should be around 15 or so with my altitude and based on my carbureted engine.

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