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Home >> Suzuki >> 2005 >> Aerio LX, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> DTC P1510: ECM Back-Up Power Supply Malfunction >> Circuit Description
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Circuit Description

Battery voltage is supplied so that diagnostic trouble code memory, values for engine control learned by ECM, etc. are kept in ECM even when the ignition switch is turned OFF.

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