LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2016 >> LS 600h >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests) >> Smart Access System With Push-Button Start >> Symptom Tests >> Front Passenger Side Door Entry Lock Function does not Operate [09/2015 - ] >> Procedure

Front Passenger Side Door Entry Lock Function does not Operate [09/2015 - ]: Procedure

  1. CHECK POWER DOOR LOCK OPERATION 
    1. When the master switch's door control switch is operated, check that the locked doors unlock (Refer to OPERATION CHECK [09/2015 - ] ).

      OK

      Locked doors unlock.

    Result:  NG

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    (Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result:  OK

    OK 

    See step  2

  2. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) 
    1. Using the Techstream, read the Data List (Refer to DATA LIST / ACTIVE TEST [09/2015 - ] ).
      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.

    Result:  NG

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Passenger Door LOCK/UNLOCK Functions do not Operate) 

    (Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result:  OK

    OK 

    See step  3

  3. READ VALUE USING TECHSTREAM (OUTSIDE HANDLE) 
    1. Using the Techstream, read the Data List (Refer to DATA LIST / ACTIVE TEST [09/2015 - ] ).
      PASSENGER DOOR

      Tester Display Measurement Item/Display Normal Condition Diagnostic Note
      Outside Handle Trigger SW Front passenger side door outside handle lock switch / ON or OFF ON: Front passenger side door outside handle lock switch is pushed
      OFF: Front passenger side door outside handle lock switch is not pushed
      -

      OK

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

    Result:  NG

    NG 

    See step  5

    Result:  OK

    OK 

    See step  4

  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 [09/2015 - ] ).
    2. Check that the entry function operates normally (Refer to OPERATION CHECK [09/2015 - ] ).

      OK

      Operates normally

    Result:  OK

    OK 

    END (FRONT DOOR ECU RH IS DEFECTIVE) 

    Result:  NG

    NG 

    REPLACE CERTIFICATION ECU 

    (Refer to REMOVAL [09/2015 - ] )

  5. INSPECT FRONT DOOR OUTSIDE HANDLE RH 
    GTY672662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the front door outside handle RH.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Switch Condition Specified Condition
      N18-3 (TRG+) - N18-1 (TRG-) ON Below 1 Ω
      N18-3 (TRG+) - N18-1 (TRG-) OFF 10 kΩ or higher

    Result:  NG

    NG 

    REPLACE FRONT DOOR OUTSIDE HANDLE RH 

    (Refer to COMPONENTS [09/2015 - ] )

    Result:  OK

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - FRONT DOOR OUTSIDE HANDLE RH) 
    GTY657544Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N1 ECU connector.
    2. Disconnect the N18 handle connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      N1-20 (TRG+) - N18-3 (TRG+) Always Below 1 Ω
      N18-3 (TRG+) - Body ground Always 10 kΩ or higher

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  OK

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (DOOR ELECTRICAL KEY OSCILLATOR - FRONT DOOR OUTSIDE HANDLE RH) 
    GTY652708Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N18 handle connector.
    2. Disconnect the N17 oscillator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      N17-9 (TRG-) - N18-1 (TRG-) Always Below 1 Ω
      N18-1 (TRG-) - Body ground Always 10 kΩ or higher

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  OK

    OK 

    See step  8

  8. CHECK DOOR ELECTRICAL KEY OSCILLATOR (OPERATION) 
    1. Replace the door electrical key oscillator with a new one or normally functioning one (Refer to COMPONENTS [09/2015 - ] ).
    2. Check that the entry function operates normally (Refer to OPERATION CHECK [09/2015 - ] ).

      OK

      Operates normally

    Result:  OK

    OK 

    END (DOOR ELECTRICAL KEY OSCILLATOR IS DEFECTIVE) 

    Result:  NG

    NG 

    See step  9

  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 [09/2015 - ] ).
    2. Check that the entry function operates normally (Refer to OPERATION CHECK [09/2015 - ] ).

      OK

      Operates normally

    Result:  OK

    OK 

    END (FRONT DOOR ECU RH IS DEFECTIVE) 

    Result:  NG

    NG 

    REPLACE CERTIFICATION ECU 

    (Refer to REMOVAL [09/2015 - ] )