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Home >> Toyota >> 2005 >> Prius >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key Entry System (Keyless Entry) (Diagnostics) >> Smart Indicator Does Not Operate >> Circuit Description

Circuit Description

The smart key ECU and combination meter communicate through the multiplex communication line (BEAN line). When the combination meter's smart indicator does not illuminate/flash as specified (See ON-VEHICLE INSPECTION  ), one of the following is malfunctioning: 1) multiplex communication system, 2) smart key ECU, or 3) combination meter.

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