Lexus IS250 · Service Manual BODY ELECTRICAL

Panel Switches do not Function

Circuit diagnosis

INSPECTION PROCEDURE


1. CHECK PANEL SWITCH
  1. Check for foreign matter around the switches that might prevent operation.

    OK:
    No foreign matter is found.



NG
REMOVE FOREIGN OBJECT
OK


2. CHECK PANEL SWITCH (DISPLAY CHECK MODE)
I100041
  1. Enter the "Display Check" mode (Panel Switch Check) (Click here).

  1. Operate the abnormal switch and check if the switch name and status are correctly displayed.

    OK:
    The switch name and status are correctly displayed as operated.



NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK

REPLACE MULTI-DISPLAY


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