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Rear Door LH 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 .
      REAR LEFT DOOR

      Tester Display Measurement Item/Display Normal Condition Diagnostic Note
      Lock Position SW Rear door LH lock position switch signal / ON or OFF ON: Rear door LH is unlocked
      OFF: Rear door LH 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 .
      REAR LEFT DOOR

      Tester Display Measurement Item/Display Normal Condition Diagnostic Note
      Entry Sensor Rear LH side door touch sensor / ON or OFF ON: Rear LH side door sensor is touched
      OFF: Rear LH 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 REAR DOOR ECU LH (OPERATION) 
    1. Replace the rear door ECU LH 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 (REAR DOOR ECU LH IS DEFECTIVE) 

  5. CHECK HARNESS AND CONNECTOR (REAR DOOR LH - DOOR ELECTRICAL KEY OSCILLATOR) 
    Fig 1: Identifying O14 ECU Connector And d2 Oscillator Connector Terminals
    GTY117052Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the O14 ECU connector.
    2. Disconnect the d2 oscillator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      O14-16 (SEL) - d2-4 (SEL) Always Below 1 Ω
      O14-16 (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 - REAR DOOR OUTSIDE HANDLE LH) 
    Fig 2: Identifying D2 Oscillator Connector Terminal And D1 Handle Connector Terminals
    GTY117061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the d2 oscillator connector.
    2. Disconnect the d1 handle connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      d2-2 (SGT8) - d1-6 (SGT7) Always Below 1 Ω
      d2-2 (SGT8) - 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 REAR DOOR OUTSIDE HANDLE LH (OPERATION) 
    1. Replace the rear door outside handle LH with a new one or normally functioning one. Refer to REMOVAL .
    2. Check that the entry function operates normally. Refer to OPERATION CHECK .

      OK

      Operates normally

    NG → See step   9 

    OK → END (REAR DOOR OUTSIDE HANDLE LH IS DEFECTIVE) 

  9. CHECK REAR DOOR ECU LH (OPERATION) 
    1. Replace the rear door ECU LH 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 (REAR DOOR ECU LH 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 Rear Door LH LOCK/UNLOCK Functions do not Operate). Refer to  PROBLEM SYMPTOMS TABLE