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Driver Side Door Entry Lock and Unlock Functions do not Operate [09/2013 - ]: Procedure

  1. CHECK FOR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG) and turn the Techstream on.
    3. By following the Techstream screen display, check whether any DTCs are output.

      OK

      DTC is not output.

    NG → Go to CORRESPONDING SYSTEM 

    OK: Go to next step 

  2. CHECK POWER DOOR LOCK CONTROL SYSTEM 
    1. Check that the power door lock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

      OK

      All doors can be locked and unlocked with door control switch.

    NG → See step   10 

    OK: Go to next step 

  3. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR ELECTRICAL KEY OSCILLATOR) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Smart Key / Active Test.
    5. According to the display on the Techstream, perform the Active Test.
      SMART KEY

      Tester Display Test Part Control Range Diagnostic Note
      D-Seat Outside Transmitter Driver side door electrical key oscillator ON or OFF -

      OK

      When key is brought close to door oscillator that is ON, indicator light on key illuminates.

    NG → See step   4 

    OK → See step   11 

  4. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [ECU AGGREGATION BOX ASSEMBLY] - DOOR ELECTRICAL KEY OSCILLATOR LH) 
    1. Disconnect the E84 certification ECU (ECU aggregation box assembly) connector.
    2. Disconnect the H9 door electrical key oscillator LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      E84-33 (CLG1) - H9-10 (CLG) Always Below 1 Ω
      E84-34 (CG1B) - H9-5 (CLGB)
      E84-33 (CLG1) - Body ground Always 10 kΩ or higher
      E84-34 (CG1B) - Body ground

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (DOOR ELECTRICAL KEY OSCILLATOR LH - ELECTRICAL KEY ANTENNA) 
    1. Disconnect the H9 door electrical key oscillator LH connector.
    2. Disconnect the H8 electrical key antenna connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H9-2 (SGT) - H8-6 (SGT) Always Below 1 Ω
      H9-3 (ANT1) - H8-5 (ANT1)
      H9-8 (ANT2) - H8-2 (ANT2)
      H9-9 (TRG-) - H8-1 (TRG-)
      H9-2 (SGT) - Body ground Always 10 kΩ or higher
      H9-3 (ANT1) - Body ground
      H9-8 (ANT2) - Body ground
      H9-9 (TRG-) - Body ground

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (DOOR ELECTRICAL KEY OSCILLATOR LH - AUXILIARY BATTERY AND BODY GROUND) 
    1. Disconnect the H9 door electrical key oscillator LH connector.
      GTY378869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H9-7 (GND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H9-1 (B) - Body ground Always 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Door Electrical Key Oscillator LH)

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  7. CHECK HARNESS AND CONNECTOR (ELECTRICAL KEY ANTENNA - CERTIFICATION ECU [ECU AGGREGATION BOX ASSEMBLY]) 
    1. Disconnect the H8 door electrical key antenna LH connector.
    2. Disconnect the E84 certification ECU (ECU aggregation box assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H8-3 (TRG+) - E84-3 (TSW1) Always Below 1 Ω
      H8-3 (TRG+) or E84-3 (TSW1) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  8. CHECK FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH (OPERATION) 
    1. Temporarily replace the electrical key antenna (front door outside handle assembly LH) with a new or normally functioning one. Refer to REMOVAL [09/2013 - ] .
    2. Check that the entry lock and unlock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

      OK

      Entry lock and unlock functions operate normally.

    NG → See step   9 

    OK → END (ELECTRICAL KEY ANTENNA [FRONT DOOR OUTSIDE HANDLE ASSEMBLY LH] WAS DEFECTIVE) 

  9. CHECK DOOR ELECTRICAL KEY OSCILLATOR LH (OPERATION) 
    1. Temporarily replace the door electrical key oscillator LH with a new or normally functioning one. Refer to REMOVAL [09/2013 - ] .
    2. Check that the entry lock and unlock functions operate normally. Refer to OPERATION CHECK [09/2013 - ] .

      OK

      Entry lock and unlock functions operate normally.

    NG → See step   11 

    OK → END (DOOR ELECTRICAL KEY OSCILLATOR LH WAS DEFECTIVE) 

  10. Go to POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2013 - ] 
  11. REPLACE CERTIFICATION ECU (ECU AGGREGATION BOX ASSEMBLY). Refer to  REMOVAL [09/2013 - ] 
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