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Inspection Procedure

  1. CHECK POWER DOOR LOCK OPERATION 
    1. When the master switch assembly's door control switch is operated, check that the locked doors unlock.

      Result 

      POWER DOOR LOCK OPERATION

      Result Proceed to
      Door locks operate normally OK
      Door locks do not operate normally NG

    NG: GO TO POWER DOOR LOCK CONTROL SYSTEM (See  POWER DOOR LOCK CONTROL SYSTEM   ) 

    OK: GO TO NEXT STEP 

  2. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM 
    1. Using the intelligent tester or Techstream, read the Data List.
      1. Intelligent tester

        SMART ACCESS (Certification ECU) 

        INTELLIGENT TESTER - SMART ACCESS (CERTIFICATION ECU)

        Tester Display Measurement Item/Display Normal Condition Diagnostic Note
        FUNCTION CANCEL Entry function cancel / ON or OFF Mode status is displayed -
      2. Techstream

        Smart Access (Certification ECU) 

        TECHSTREAM - SMART ACCESS (CERTIFICATION ECU)

        Tester Display Measurement Item/Display Normal Condition Diagnostic Note
        Auto Entry Cancel SW Entry function cancel / ON or OFF Mode status is displayed -

        Result 

        RESULT REFERENCE

        Result Proceed to
        Entry function is OFF A
        Entry function is ON B

    B: PERFORM CANCELLATION OF ENTRY KEY CANCEL FUNCTION (See  CUSTOMIZE PARAMETERS   ) 

    A: GO TO NEXT STEP 

  3. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START 
    1. Remove the battery of the electrical key transmitter (see TRANSMITTER BATTERY  ).
    2. Touch the LEXUS mark of the key or card key to the engine switch.
    3. Check that the engine switch can be turned on (IG).
      Fig 1: Identifying Engine Switch, Key And Card Key
      G04943820Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Result 

      SMART ACCESS SYSTEM WITH PUSH-BUTTON START

      Result Proceed to
      Engine switch can be turned on (IG) A
      Engine switch cannot be turned on (IG) B

    B: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START  (See SMART ACCESS SYSTEM WITH PUSH-BUTTON START )

  4. CHECK WAVE ENVIRONMENT 
    1. Install the battery to the electrical key transmitter (see TRANSMITTER BATTERY  ).
    2. Bring the electrical key transmitter near the indoor electrical key oscillator (in center console), and perform an engine start check.
      NOTE: If the key is brought within 0.2 m (0.6 ft.) of the center console, communication is not possible.
    3. Bring the electrical key transmitter near the indoor electrical key oscillator (in rear seat cushion), and perform an engine start check.
      NOTE: If the key is brought within 0.2 m (0.6 ft.) of the rear seat cushion, communication is not possible.

      HINT:

      • When the electrical key transmitter is brought near the indoor electrical key oscillator, the possibility of wave interference decreases, and it can be determined if wave interference is causing the problem symptom.
      • If the inspection result is that the operation check is normal, the possibility of wave interference is high. Also, added vehicle components may cause wave interference. If installed, remove them and perform the operation check.

      Result 

      RESULT REFERENCE

      Result Proceed to
      Both operation checks fail A
      Operation check is normal B

    B: AFFECTED BY WAVE INTERFERENCE 

    A: GO TO NEXT STEP 

  5. KEY DIAGNOSTIC MODE 
    1. Diagnostic mode inspection (front inside oscillator)
      Fig 2: Identifying Inspection Point (Front Inside Oscillator)
      G04951592Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the intelligent tester or Techstream to the DLC3.
      2. Turn the engine switch on (IG).
      3. Turn the tester on.
      4. Enter the following menus:
        1. Intelligent tester - Select: DIAGNOSIS / OBD/ MOBD / SMART ACCESS / ID UTILITY / SMART DAIGMODE / FR + OVERHEAD /
        2. Techstream - Select: Body Electrical / Smart Access / Smart Communication Check / Overhead + Front Room /
      5. When the electrical key transmitter is placed on the driver seat or front passenger seat cushion, check that the wireless door lock buzzer sounds.
    2. Diagnostic mode inspection (rear inside oscillator)
      Fig 3: Identifying Inspection Point (Rear Inside Oscillator)
      G04951593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the intelligent tester or Techstream to the DLC3.
      2. Turn the engine switch on (IG).
      3. Turn the tester on.
      4. Enter the following menus:
        1. Intelligent tester - Select: DIAGNOSIS / OBD/ MOBD / SMART ACCESS / ID UTILITY / SMART DAIGMODE / RR + OVERHEAD /
        2. Techstream - Select: Body Electrical / Smart Access / Smart Communication Check / Overhead + Rear Room /
      5. When the electrical key transmitter is placed on the rear seat cushion, check that the wireless door lock buzzer sounds.

        HINT:

        If the buzzer sounds, it can be determined that the vehicle interior transmitters are operating normally.

        Result 

        RESULT REFERENCE

        Result Proceed to
        Front and rear operation check is normal A
        Front and rear operation checks fail B

    A: REPLACE CERTIFICATION ECU 

    B: GO TO NEXT STEP 

  6. CHECK HARNESS AND CONNECTOR (INDOOR ELECTRICAL KEY OSCILLATOR - CERTIFICATION ECU) 
    Fig 4: Checking Harness And Connector (Indoor Electrical Key Oscillator - Certification ECU)
    G04951698Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L74 and S10 oscillator connectors.
    2. Disconnect the L15 ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      for Front 

      INDOOR ELECTRICAL KEY OSCILLATOR - CERTIFICATION ECU (FOR FRONT)

      Tester Connection Condition Specified Condition
      L74-1 (CLG3)-L15-11 (CLG5) Always Below 1 Ω
      L74-3 (CLGB)-L15-12 (CG5B) Always Below 1 Ω
      L74-1 (CLG3) - Body ground Always 10 kΩ or higher
      L74-3 (CLGB) - Body ground Always 10 kΩ or higher

      for Rear 

      INDOOR ELECTRICAL KEY OSCILLATOR - CERTIFICATION ECU (FOR REAR)

      Tester Connection Condition Specified Condition
      S10-1 (CLG4)-L15-13 (CLG6) Always Below 1 Ω
      S10-3 (CLGB)-L15-14 (CG6B) Always Below 1 Ω
      S10-1 (CLG4) - Body ground Always 10 kΩ or higher
      S10-3 (CLGB) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  7. CHECK INDOOR ELECTRICAL KEY OSCILLATOR (OPERATION) 
    1. Replace the indoor electrical key oscillator with a new one or normally functioning one.
    2. Check that the entry function operates normally.

      OK: Operates normally 

    NG: Go to step 8 

    OK: END (INDOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

  8. REPLACE ELECTRICAL KEY TRANSMITTER 
    1. Replace the electrical key transmitter with a new one and perform the registration procedure (see REGISTRATION ).
  9. CHECK OPERATION 
    1. Check the operation of the entry lock function.

      OK: Operates normally 

    NG: REPLACE CERTIFICATION ECU 

    OK: END (KEY IS DEFECTIVE) 

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