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Home › Lexus › 2008 › IS 250 AWD › Repair and Diagnosis › Body & Frame › Door Locks › Door Lock › Smart Access System With Push-Button Start › Antenna Circuit › Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (ELECTRICAL KEY OSCILLATOR - ANTENNA) 
    1. Remove the outside handle.
    2. Disconnect the antenna and door oscillator connectors.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester Connection (Symbols) Condition Specified Condition
      o1-2 (ANT2) - o2-8 (ANT2) ((1)) Always Below 1 Ω
      o1-6 (SGT2) - o2-2 (SGT) ((1)) Always Below 1 Ω
      o1-5 (ANT1) - o2-3 (ANT1) ((1)) Always Below 1 Ω
      o1-2 (ANT2) - Body ground (*D Always 10 kΩ or higher
      o1-6 (SGT2) - Body ground Always 10 kΩ or higher
      o1-5 (ANT1) - Body ground ((1)) Always 10 kΩ or higher
      n1-2 (ANT2) - n2-8 (ANT2) ((2)) Always Below 1 Ω
      n1-6 (SGT2) - 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 kΩ or higher
      n1-6 (SGT2) - Body ground ((2)) Always 10 kΩ or higher
      n1-5 (ANT1) - Body ground ((2)) Always 10 kΩ or higher
      (1) *1: Driver side

      (2) *2: Passenger side
      Fig 1: Identifying Electrical Key Oscillator And Antenna Connectors
      G05828038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      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) 

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