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Thread: IACV Problems
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Old 04-17-2018, 10:47 PM
Malo 809 Malo 809 is offline
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Re: IACV Problems

So I have an update. I found the service manual for my car and there are some troubleshooting steps for this particular issue. Steps include testing the IACV plug for battery power, ground continuity and the signal wire from the PCM to the connector. All check out down to the last step which says to plug in the IACV, switch the car to on and check the signal wire at the PCM end of it for voltage. It asks if there is "battery voltage" which to me means 12.4 V that I'm getting at the battery right? The reading at the PCM is 10.2 V.

Would the loss of 2V account for this issue? The next steps in troubleshooting say if there is battery voltage to replace the PCM with a known good working one and test again if no, replace the IACV.

Any suggestions? If it's the PCM I'll probably try to order one on eBay, I'm seeing some for $90-100 with warranty.


.....giving up hope on finding help here -_-
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