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Home >> Lexus >> 2019 >> RX 450hL >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Access System (For Entry Function) (Diagnostics - Introduction) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function) >> Diagnosis System [10/2015 - ] >> Diagnosis System [10/2015 - ]

Diagnosis System [10/2015 - ]

  1. DESCRIPTION 
    1. Smart access system with push-button start (for Entry Function) data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart access system with push-button start. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.
  2. CHECK DLC3 
    1. Check the DLC3.

      Refer to GENERAL INFORMATION [10/2015 - ]

  3. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, replace the auxiliary battery.

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