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Home >> Lexus >> 1998 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - System/Component Tests) >> Computerized Engine Controls >> ECM Back-Up Power Circuit (Battery)

ECM Back-Up Power Circuit (Battery)

WARNING: This page is about a different car, the 1997 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

If circuit or components are faulty, a Diagnostic Trouble Code (DTC) should set. See TESTS W/CODES article.

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