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Home >> Lexus >> 2017 >> ES 300h >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (For Entry Function) (Diagnostic Codes & Symptom Tests) >> Symptom Tests >> All Door Entry Unlock Functions except Driver Door do not Operate [07/2015 - ] >> Procedure

All Door Entry Unlock Functions except Driver Door do not Operate [07/2015 - ]: Procedure

  1. CHECK CUSTOMIZE INFORMATION (DOOR UNLOCK MODE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Customize Setting / Smart Key/Access.
    5. Check the customize setting.
      SMART KEY/ACCESS

      Display Default Content Setting Relevant ECU
      Door Unlock Mode2 Driver Function that chooses the doors to be operated by entry unlock operation. All or Driver Certification ECU (smart key ECU assembly)

      Result

      Result Proceed to
      "Driver" is selected. A
      "All" is selected. B

    Result:  B

    See step  4

    Result:  A

    See step  2

  2. CHANGE CUSTOMIZE SETTING 
    1. Select "All" for the customize setting.

      Result

      Result Proceed to
      "All" can be selected. A
      "All" cannot be selected. B

    Result:  B

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 

    Refer to REMOVAL [07/2015 - ]

    Result:  A

    See step  3

  3. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START (ENTRY UNLOCK OPERATION) 
    1. Check that the entry unlock functions operate normally. Refer to OPERATION CHECK [07/2015 - ]

      OK

      Entry unlock functions operate normally.

    Result:  OK

    OK 

    END (DIFFERENT CUSTOMIZE SETTING ITEM WAS SELECTED) 

    Result:  NG

    NG 

    See step  4

  4. CHECK POWER DOOR LOCK CONTROL SYSTEM 
    1. Check if the power door lock control system operates properly for doors other than the driver door. Refer to OPERATION CHECK [07/2015 - ]

      HINT: 

      Make sure to check doors one by one.

      OK

      The power door lock control system operates properly for doors other than the driver door.

    Result:  NG

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

    Result:  OK

    OK 

    See step  5

  5. REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    1. Temporarily replace the certification ECU (smart key ECU assembly) with a new one.

      HINT: 

    Result:  NEXT

    NEXT 

    See step  6

  6. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON START (ENTRY UNLOCK OPERATION) 
    1. Check that the entry unlock functions operate normally. Refer to OPERATION CHECK [07/2015 - ]

      OK

      Entry unlock functions operate normally.

    Result:  OK

    OK 

    END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE) 

    Result:  NG

    NG 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

    Refer to REMOVAL [07/2015 - ]