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Discussion Starter · #1 ·
Hey Curt I have a question for the techs.
Curt Im getting check engine codes 41,47 which is TPS and sub TPS. I follwed the procedure from the TSRM.
I checked the the tps harness pin1.
Its supposed to be between 4.5 and 6.5 volts , im getting less than half a volt.

so I checked the ECU pins 41 and b65 and nothing. pin 41 was about half a volt also.
So before I replace the ecm is there a wire im supposed to check to make sure the ecm is getting 12V? Or do I just start checking all of the wiresgoing to it?
I dont know which wire powers the ECU? Could I halve a loose connector in the engine bay?
Thanks
Mark
 

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Discussion Starter · #7 ·
I cant figure this thing out Curt, from your own knowledge of Supras and dealerships do you think this problem would be easly found by my local toyota dealership?
 
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