Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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Lexus
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1997
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SC 400
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Repair and Diagnosis
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Engine Performance
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Engine Controls - System/Component Tests
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Acoustic Control Induction System (ACIS)
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ACIS Circuit
ACIS Circuit
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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.