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Home >> Toyota >> 2003 >> RAV4 Base, FWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P1600: Engine Control Module Batt Circuit >> Circuit Description

Circuit Description

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Battery positive voltage is applied to terminal BATT of the ECM, even when the ignition switch is OFF for use by the DTCs memory and air-fuel ratio adaptive control value memory, etc.

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