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Home >> Toyota >> 1988 >> Corolla DX, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Computer Control System >> Diagnosis & Testing >> Check Engine Light
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Check Engine Light

Turn ignition on. The "CHECK ENGINE" light will activate with ignition on and engine not running. Start engine and note that light is not activated. If light remains activated, a system malfunction or abnormality exists.