Entry And Start System Entry Lock And Unlock Functions Do Not Operate On All Doors

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Door Lock. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK ALL DOOR ENTRY LOCK AND UNLOCK OPERATION

CHECK WIRELESS DOOR LOCK AND UNLOCK OPERATION

CHECK OPERATION OF KEY

CHECK MANUAL DOOR LOCK OPERATION

READ DATA LIST (DOOR COURTESY SWITCH)

ENTRY AND START SYSTEM - Entry Lock and Unlock Functions do not Operate on All Doors


DESCRIPTION

When the key cancel function is ON, all entry functions will stop operating. If the key cancel function is operated but all entry functions stop operating, one of the following is malfunctioning: 1) key cancel function, 2) certification ECU, or 3) wire harness.

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
    		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


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


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


5.READ DATA LIST (DOOR COURTESY SWITCH)

  1. Check the Data List for proper functioning of each door courtesy switch.

    Multiplex network master switch assembly:
    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 LH (RHD):
    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 (LHD):
    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:
    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:
    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:
    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