Section 230 (Wireless Door Lock Control System - Diagnosis): Pre-Check

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

READ VALUE OF HAND-HELD TESTER
1. Connect the hand-held tester to the DLC3.
2. Read the data monitor using the hand-held tester.
  Transponder (immobilizer) key ECU (switch condition):
  
  Fig 1: Transponder (Immobilizer) Key ECU (Switch Condition) - Data List Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Theft warning (security) ECU (switch condition):
  
  Fig 2: Theft Warning (Security) ECU (Switch Condition) - Data List Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
PERFORM ACTIVE TEST USING HAND-HELD TESTER
1. Connect the hand-held tester to the DLC3.
2. Enter into the active test using the hand-held tester.
  Theft warning (security) ECU (switch condition):
  
  Fig 3: Theft Warning (Security) ECU (Switch Condition) - Active Test Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHANGE SETTING OF CUSTOMIZING FUNCTION USING HAND-HELD TESTER (REFERENCE)
1. Connect the hand-held tester to the DLC3.
2. Select a setting from the following items on the wireless door lock.
  Theft warning (security) ECU (switch condition):
  
  Fig 4: Theft Warning (Security) ECU (Switch Condition) - Data List Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002