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Home >> Lexus >> 2014 >> LX 570 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System With Push-Button Start (Keyless Entry) (Diagnostics & Symptom Tests) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> Symptom Tests >> Back Door Entry Lock Function does not Operate [08/2013 - ] >> Description
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Back Door Entry Lock Function does not Operate [08/2013 - ]: Description

If the back door entry lock function does not operate but the back door open function operates, the communication line between the vehicle and electrical key transmitter is normal. The part of fault may be, the entry lock switch circuit (certification ECU (smart key ECU assembly) → back door opener switch).