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Front Passenger Side Door Entry Unlock Function does not Operate: 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. Refer to OPERATION CHECK .

      OK

      Locked doors unlock.

    NG → See step   10 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) 
    1. Using the Techstream, read the Data List. Refer to DATA LIST / ACTIVE TEST .
      PASSENGER DOOR

      Tester Display Measurement Item/Display Normal Condition Diagnostic Note
      Lock Position SW Passenger side door lock position switch signal / ON or OFF ON: Passenger side door is unlocked
      OFF: Passenger side door is locked
      -

      OK

      On the Techstream screen, item changes between ON and OFF according to above chart.

    NG → See step   12 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM 
    1. Using the Techstream, read the Data List. Refer to DATA LIST / ACTIVE TEST .
      PASSENGER DOOR

      Tester Display Measurement Item/Display Normal Condition Diagnostic Note
      Entry Sensor Front passenger side door touch sensor / ON or OFF ON: Front passenger side door sensor is touched
      OFF: Front passenger side door sensor is not touched
      -

      OK

      On the Techstream screen, item changes between ON and OFF according to above chart.

    NG → See step   5 

    OK: Go to next step 

  4. CHECK FRONT DOOR ECU RH (OPERATION) 
    1. Replace the front door ECU RH with a new one or normally functioning one. Refer to COMPONENTS .
    2. Check that the entry function operates normally. Refer to OPERATION CHECK .

      OK

      Operates normally

    NG → See step   11 

    OK → END (FRONT DOOR ECU RH IS DEFECTIVE) 

  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - DOOR ELECTRICAL KEY OSCILLATOR) 
    Fig 1: Identifying N1 ECU Connector And A1 Oscillator Connector Terminals
    GTY117051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N1 ECU connector.
    2. Disconnect the a1 oscillator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      N1-15 (SEL) - a1-4 (SEL) Always Below 1 Ω
      N1-15 (SEL) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (DOOR ELECTRICAL KEY OSCILLATOR - FRONT DOOR OUTSIDE HANDLE RH) 
    Fig 2: Identifying A2 Handle Connector Terminals And A1 Oscillator Connector Terminals
    GTY117063Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the a1 oscillator connector.
    2. Disconnect the a2 handle connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      a1-2 (SGT2) - a2-6 (SGT1) Always Below 1 Ω
      a1-2 (SGT2) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

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

      OK

      Operates normally

    NG → See step   8 

    OK → END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

  8. CHECK FRONT DOOR HANDLE OUTSIDE RH (OPERATION) 
    1. Replace the front door outside handle RH with a new one or normally functioning one. Refer to COMPONENTS .
    2. Check that the entry function operates normally. Refer to OPERATION CHECK .

      OK

      Operates normally

    NG → See step   9 

    OK → END (FRONT DOOR OUTSIDE HANDLE RH IS DEFECTIVE) 

  9. CHECK FRONT DOOR ECU RH (OPERATION) 
    1. Replace the front door ECU RH with a new one or normally functioning one. Refer to COMPONENTS .
    2. Check that the entry function operates normally. Refer to OPERATION CHECK .

      OK

      Operates normally

    NG → See step   11 

    OK → END (FRONT DOOR ECU RH IS DEFECTIVE) 

  10. GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  PROBLEM SYMPTOMS TABLE 
  11. REPLACE CERTIFICATION ECU. Refer to  REMOVAL 
  12. GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Passenger Door LOCK/UNLOCK Functions do not Operate). Refer to  PROBLEM SYMPTOMS TABLE