Section 249 (Smart Key System - Diagnosis): Inspection

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

INSPECT OUTSIDE DOOR HANDLE
1. Remove the outside door handle.
2. Check the resistance between the terminals of the connector when the switch is operated.
  Standard:
  
  Fig 1: Resistance Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 2: Identifying Outside Door Handle Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, replace the outside door handle.
INSPECT SMART KEY CANCEL SWITCH
1. Remove the smart key cancel switch.
2. Check the resistance between the terminals of the connector when the switch is operated.
  Standard:
  
  Fig 3: Resistance Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Identifying Smart Key Cancel Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
If the result is not as specified, replace the smart key cancel switch.