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Home >> Lexus >> 1997 >> SC 300 Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 6 (Engine Controls - System/Component Tests) >> Emission Systems & Sub-Systems >> Notes

Emission Systems & Sub-Systems: Notes

WARNING: This page is about a different car, the 1997 Lexus SC 400. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: If ECM replacement is instructed, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair as necessary and repeat testing to confirm ECM malfunction.
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