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Driver Side Door Entry Lock Function does not Operate: Procedure

  1. CHECK MANUAL DOOR LOCK OPERATION 
    1. Check that the manual door lock function operates normally.

      OK

      Manual door lock function operates normally.

    NG → GO TO  POWER DOOR LOCK CONTROL SYSTEM  POWER DOOR LOCK CONTROL SYSTEM 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (DOOR COURTESY SWITCH) 
    1. Check the DATA LIST for proper functioning of the driver side door courtesy switch.
      MAIN BODY ECU RH:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door Courtesy SW Driver side courtesy switch / ON or OFF ON: Courtesy switch is pushed
      OFF: Courtesy switch is not pushed
      -

      OK

      ON (door courtesy switch is pushed) appears on the screen.

    NG → GO TO  LIGHTING SYSTEM  LIGHTING SYSTEM 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM (DOOR LOCK POSITION SWITCH) 
    1. Check the DATA LIST for proper functioning of the door lock position switch.
      MULTIPLEX NETWORK MASTER SWITCH:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Unlock Detection Switch Door unlock detection switch / ON or OFF ON: Door is unlocked
      OFF: Door is locked
      -

      OK

      On the Techstream screen, the display changes between ON and OFF as shown in the chart above.

    NG → GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Only Driver Door LOCK / UNLOCK Functions do not Operate) ONLY DRIVER DOOR LOCK / UNLOCK FUNCTIONS DO NOT OPERATE 

    OK: Go to next step 

  4. READ VALUE USING TECHSTREAM (LOCK SWITCH) 
    1. Check the DATA LIST for proper functioning of the door lock switch.
      MULTIPLEX NETWORK DOOR ECU FRONT LH:

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Trigger Switch Driver side-door lock switch / ON or OFF ON: Lock switch is pushed
      OFF: Lock switch is not pushed
      -

      OK

      ON (lock switch is pushed) appears on the screen.

    NG → REPLACE FRONT DOOR HANDLE ASSEMBLY OUTSIDE LH 

    OK: Go to next step 

  5. CHECK OPERATION OF MULTIPLEX NETWORK DOOR ECU FRONT LH 
    1. After replacing the multiplex network door ECU front LH with a normal one, check that the entry lock function operates normally.

      OK

      Entry lock function operates normally.

    NG → REPLACE CERTIFICATION ECU 

    OK → END (MULTIPLEX NETWORK DOOR ECU FRONT LH IS DEFECTIVE)