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Home › Lexus › 2007 › GS 430 › Repair and Diagnosis › Body & Frame › Door Locks › Door Lock › Smart Access System With Push-Button Start › All Door Entry Lock and Unlock Functions do not Operate › Inspection Procedure

Inspection Procedure

  1. CHECK ALL DOOR ENTRY LOCK AND UNLOCK OPERATION 
    1. Check that the all door entry lock and unlock functions operate normally.

    Result: 

    RESULT CHART

    Result Proceed to
    Entry lock and unlock functions do not operate A
    Entry lock function does not operate B

    HINT:

    If the entry lock and unlock functions do not operate for a certain door, refer to the problem symptoms table.

    B:  Go to step  4

    A: Go to next step 

  2. CHECK WIRELESS DOOR LOCK AND UNLOCK OPERATION 
    1. Check that the wireless door lock and unlock functions operate normally.

      OK: 

      Wireless door lock and unlock functions operate normally. 

    NG:  GO TO WIRELESS DOOR LOCK CONTROL FUNCTION 

    OK: Go to next step 

  3. CHECK OPERATION OF KEY 
    1. After replacing the key with a normal one, check that the entry lock and unlock functions operate normally.

      OK: 

      Entry lock and unlock functions operate normally. 

    NG: REPLACE CERTIFICATION ECU ASSEMBLY 

    OK: END (KEY IS DEFECTIVE) 

  4. 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 

    OK: Go to next step 

  5. READ VALUE OF INTELLIGENT TESTER (DOOR COURTESY SWITCH) 
    1. Check the DATA LIST for proper functioning of the each door courtesy switch.

    Multiplex network master switch assembly: 

    MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - DATA LIST

    Item Measurement Item / Range (Display) Normal Condition Diagnostic Note
    COURTESY SW Courtesy switch / ON or OFF ON: Courtesy switch is pushed
    OFF: Courtesy switch is not pushed    		 -

    Multiplex network door ECU front RH: 

    MULTIPLEX NETWORK DOOR ECU FRONT RH - DATA LIST

    Item Measurement Item / Range (Display) Normal Condition Diagnostic Note
    COURTESY SW Courtesy switch / ON or OFF ON: Courtesy switch is pushed
    OFF: Courtesy switch is not pushed    		 -

    Multiplex network door ECU rear LH: 

    MULTIPLEX NETWORK DOOR ECU REAR LH - DATA LIST

    Item Measurement Item / Range (Display) Normal Condition Diagnostic Note
    COURTESY SW Courtesy switch / ON or OFF ON: Courtesy switch is pushed
    OFF: Courtesy switch is not pushed    		 -

    Multiplex network door ECU rear RH: 

    MULTIPLEX NETWORK DOOR ECU REAR RH - DATA LIST

    Item Measurement Item / Range (Display) Normal Condition Diagnostic Note
    COURTESY SW Courtesy switch / ON or OFF ON: Courtesy switch is pushed
    OFF: Courtesy switch is not pushed    		 -

    Multiplex network rear ECU: 

    MULTIPLEX NETWORK REAR ECU - DATA LIST

    Item Measurement Item / Range (Display) Normal Condition Diagnostic Note
    LUGG COURTESY SW Luggage compartment door 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

    OK: REPLACE COWL SIDE JUNCTION BLOCK LH ASSEMBLY 

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