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Home >> Lexus >> 2011 >> LS 460 AWD V8-4.6L (1UR-FSE) >> Repair and Diagnosis >> Body and Frame >> Locks >> Keyless Entry >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Smart Access System With Push-Button Start >> Entry Interior Alarm Does Not Sound
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Entry Interior Alarm Does Not Sound





DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: Entry Interior Alarm does not Sound
- Entry Interior Alarm does not Sound

DESCRIPTION

The smart access system uses the combination meter buzzer to perform various vehicle interior warnings. When each warning's conditions are met, the certification ECU sends a buzzer signal to the meter ECU, and the combination meter buzzer sounds.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK COMBINATION METER ASSEMBLY (OPERATION)

(a) When the engine switch is on (IG) and the shift lever is on R, check that the combination meter buzzer sounds.

OK:

Combination meter buzzer sounds.

NG -- GO TO METER / GAUGE SYSTEM Service Precautions

OK -- REPLACE CERTIFICATION ECU
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