Ug, I remember there is a way to see if the ECU is fried. You grab the pressure sensor wires (The ones on the pass. shock tower). You have to test one of the wires in there, I forget which one though. But anyways you test if and it should have 5V on it, if it doesn';t your ECU is toast. Give me a minute to find out which wire it is.
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Originally Posted by rx7_re' date='Apr 1 2004, 11:17 PM
Ug, I remember there is a way to see if the ECU is fried. You grab the pressure sensor wires (The ones on the pass. shock tower). You have to test one of the wires in there, I forget which one though. But anyways you test if and it should have 5V on it, if it doesn';t your ECU is toast. Give me a minute to find out which wire it is.
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I had already checked that wire on the pressure sensor and it checked out. Is there a good way to check if the leading ignitor trigger wire (the green/yellow striped one) is carrying a signal?
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Originally Posted by annuerysm' date='Apr 2 2004, 09:57 AM
I had already checked that wire on the pressure sensor and it checked out. Is there a good way to check if the leading ignitor trigger wire (the green/yellow striped one) is carrying a signal?
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Originally Posted by annuerysm' date='Apr 2 2004, 09:57 AM
I had already checked that wire on the pressure sensor and it checked out. Is there a good way to check if the leading ignitor trigger wire (the green/yellow striped one) is carrying a signal?
BTW. Did you try my test? - EDIT - I see you did but the coils seemed dead. Have you tried any other coils? - EDIT - Never mind:) |
1Revvin7: This is happening because I bought the car and it never ran so I rebuilt the motor. I'll check the X15/16 connector sounds promising.
Cosmo Donk: are you sure grounding out the ignitor wire is what triggers the coil? I think the ECU sends 5volts to trip the ignitor based off the CAS signal. Please someone correct me if this is incorrect. |
I am just curious, are you getting any spark at the trailing coils?
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No spark on leading or trailing
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Well, if your sure absolutely everything is connected, I want to say your ECU is fried. I never really hear about coils just crapping out, let alone both of them at the same time.
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I regrounded the ECU really well and even though my battery now has barely enough power to spin the motor I saw a tiny spark this time. I'm pretty sure it was the ECU not having a good ground.
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