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Rear Door LH 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  or  POWER DOOR LOCK CONTROL SYSTEM 

    OK: Go to next step 

  2. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH) 
    1. Check the DATA LIST for proper functioning of the rear LH side door courtesy light switch.
      MULTIPLEX NETWORK BODY ECU

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Rr Door Courtesy SW Courtesy light switch / ON or OFF ON: Courtesy light switch is pushed
      OFF: Courtesy light switch is not pushed
      -

      OK

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

    NG → GO TO  LIGHTING SYSTEM  or  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 DOOR ECU REAR LH

      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  (Only Rear Door LH 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 REAR LH

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Trigger Switch Driver side rear 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 REAR DOOR OUTSIDE HANDLE ASSEMBLY LH 

    OK: Go to next step 

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

      OK

      Entry lock function operates normally.

    NG → REPLACE CERTIFICATION ECU ASSEMBLY 

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