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Home >> Lexus >> 2013 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (Keyless Entry) (Diagnostic Codes & Circuit Tests) >> Smart Access System With Push-Button Start >> Circuit Tests >> Antenna Circuit >> Procedure

Antenna Circuit: Procedure

  1. CHECK HARNESS AND CONNECTOR (ELECTRICAL KEY OSCILLATOR - ANTENNA) 
    1. Remove the outside handle.
      GTY354847Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the antenna and door oscillator connectors.

      Standard resistance

      Tester Connection (Symbols) Condition Specified Condition
      o1-2 (ANT2) - o2-8 (ANT2) (*1) Always Below 1 Ω
      o1-6 (SGT) - o2-2 (SGT) (*1) Always Below 1 Ω
      o1-5 (ANT1) - o2-3 (ANT1) (*1) Always Below 1 Ω
      o1-2 (ANT2) - Body ground (*1) Always 10 kΩor higher
      o1-6 (SGT) - Body ground (*1) Always 10 kΩor higher
      o1-5 (ANT1) - Body ground (*1) Always 10 kΩor higher
      n1-2 (ANT2) - n2-8 (ANT2) (*2) Always Below 1 Ω
      n1-6 (SGT) - n2-2 (SGT) (*2) Always Below 1 Ω
      n1-5 (ANT1) - n2-3 (ANT1) (*2) Always Below 1 Ω
      n1-2 (ANT2) - Body ground (*2) Always 10 kΩor higher
      n1-6 (SGT) - Body ground (*2) Always 10 kΩor higher
      n1-5 (ANT1) - Body ground (*2) Always 10 kΩor higher

      *1: Driver side

      *2: Passenger side

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. CHECK AND REPLACE DOOR OUTSIDE HANDLE 
    1. Replace the door outside handle.
    2. Check that the entry LOCK/UNLOCK function operates normally.

      OK

      Entry LOCK/UNLOCK function operates normally.

    NG → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    OK → END (DOOR OUTSIDE HANDLE IS DEFECTIVE)