Section 273 (Power Mirror 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.

INSPECT DRIVER SIDE J/B
1. Using hand-held tester, check the driver side J/B condition on the data monitor.
  Standard:
  
  Fig 1: Driver Side J/B Inspection Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT DRIVER SEAT ECU AND PASSENGER SEAT ECU
1. Using hand-held tester, check the condition of the driver seat ECU and passenger seat ECU on the data monitor.
  Standard:
  
  Fig 2: Driver Seat ECU & Passenger Seat ECU Inspection Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
PERFORM ACTIVE TEST (DOOR ECU)
1. Using hand-held tester, check the operation of the power mirror.
  Standard:
  
  Fig 3: Perform Active Test (Door ECU) Inspection Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002