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Power Door Lock Control System - Diagnosis: Pre-Check

  1. INSPECT WITH LEXUS HAND-HELD TESTER 
    1. ECU Data monitor
      1. By using LEXUS hand-held tester, make a judgement of good or bad and find out a malfunctioning part by the ECU data monitor.

      Spec: 

      Transponder key ECU (switch condition) 

      STANDARD VALUE CHART

      Item Inspecting condition Standard value
      KEY SW IG ON --> Without key ON --> OFF

      Spec: 

      Door ECU (for driver's seat and passenger's seat) (switch condition) 

      STANDARD VALUE CHART

      Item Inspecting condition Standard value
      Lock position switch Unlocked / Locked ON / OFF
      Courtesy switch Door opened / Closed ON / OFF
    2. Active test
      1. By using LEXUS hand-held tester, make a judgement of good or bad and find out a malfunctioning part by the active test.

      Spec: 

      Door ECU (for driver 'S seat and passenger's seat) 

      ACTIVE TEST SPECIFICATION

      Item Motor
      Door locl LOCK / UNLOCK
    3. Customizing function (reference)
      1. Use of LEXUS hand-held tester makes it possible to select the following controls on door lock.

      Spec: 

      Theft warning ECU 

      CUSTOMIZING FUNCTION SPECIFICATION

      Item Motor
      Unlocked by 2 operations of driver's door Without function / Driver's door opened for the 1st operation
      Unlocked in shifted P range With / Without
      Auto-lock by detection of vehicle's speed With / Without
      Locked in shifted except P range from P range With function / With or without condition of stop light OFF / without function