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09-18-2002, 02:23 PM
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#22 |
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Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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I wanted you to test them with the key off, but that's okay, THIS TIME.
 With the KEY OFF, disconnect the MAF sensor, and test for resistance between the "B" pin at the MAF connector and the battery negative post. If resistance is less than 5 ohms, disconnect the 60 pin connector, and measure the resistance between the "C" pin at the MAF connector and pin 9 at the 60 pin connector, again, with the KEY OFF. If resistance is less than 5 ohms, connect the MAF harness and the 60 pin connectors, backprobe pin 50 at the 60 pin, and start the engine. Check the voltage between pin 50 and battery negative post. If voltage is between .2 and 1.5 volts, the ECM is bad, and needs to be replaced.
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