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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 306 (Back Door Control Systems) >> System Tests >> Back Door Unlock Detection Switch Circuit >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: In case of using the TOYOTA hand-held tester, start the inspection from step 1 and in case of not using the TOYOTA hand-held tester, start from step  2.
  1. Check The Back Door Unlock Detection Switch Using TOYOTA Hand-Held Tester. 

    PREPARATION:  Connect the TOYOTA hand-held tester to the DLC3.

    CHECK:  the back door unlock detection switch using DATA LIST.

    1. OK  : Proceed to next circuit inspection shown on problem symptoms table . SeePROBLEM SYMPTOMS TABLE .
    2. NG:  Go to step  2.
  2. Check  Back Door Unlock Detection Switch  . 
    1. NG:  Replace the back door lock motor.
    2. OK:  Go to step  3.
  3. Check Wiring Harness And Connector Between Back Door Unlock Detection Switch And Back Door ECU. 
    1. NG:  Repair or replace wiring harness or connector.
    2. OK:  Proceed to next circuit inspection shown on problem symptoms table . See PROBLEM SYMPTOMS TABLE .