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Home >> Toyota >> 1995 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.4L >> Diagnostic Testing >> Code 12 - Ne Signal Circuit >> Notes

Code 12 - Ne Signal Circuit: Notes

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CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction.
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