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Home >> Lexus >> 2010 >> RX 350 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Smart Access System With Push-Button Start (For Entry Function) (Diagnostic Codes & Symptom Tests)) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> Symptom Tests >> Entry Interior Alarm does not Sound >> Procedure

Entry Interior Alarm does not Sound: Procedure

WARNING: This page is about a different car, the 2011 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COMBINATION METER ASSEMBLY (OPERATION) 
    1. When the engine switch is on (IG) and the shift lever is in R, check that the combination meter buzzer sounds.

      OK

      Combination meter buzzer sounds.

    NG → See step   2 

    OK → See step   3 

  2. GO TO METER / GAUGE SYSTEM (Proceed to Problem Symptoms Table). Refer to  PROBLEM SYMPTOMS TABLE 
  3. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL 
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