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Home >> Lexus >> 2019 >> NX 300 Base, FWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Access System (W/ Push Button (For Start Function)) - Diagnostics - Introduction >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> Diagnosis System [10/2014 - ] >> Diagnosis System [10/2014 - ]
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Diagnosis System [10/2014 - ]

  1. DESCRIPTION 
    1. Smart access system with push-button start (for Start Function) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. 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 [10/2014 - 05/2019] , or refer to GENERAL INFORMATION [05/2019 - ]

  3. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage with the engine switch off.

      Standard voltage

      11 to 14 V (IG OFF)

      If the voltage is below 11 V, recharge or replace the battery.