Power Window Control System - Diagnostics: Pre-Check

HINT:

The initial condition that the customizing function by the hand-held tester is not chosen is shown.

Standard: 

1. When an abnormality is detected in the limit switch and pulse sensor for operating the jam protection function (DTC: B 1231/31, B1232/32), the following power window operations will be prohibited by the fail-safe function.

   Standard: 

   POWER WINDOW FAIL-SAFE FUNCTION CHART
   
   

   Power window operation	Ignition switch ON	Ignition switch OFF Operative after key-OFF	Ignition switch OFF Inoperative after key-OFF
   Manual UP	Operative	Operation prohibited	-
   Manual DOWN	Operative	Operation prohibited	-
   AUTO UP	Operation prohibited	Operation prohibited	-
   AUTO DOWN	Operation prohibited	Operation prohibited	-
   UP operation interlocked with key	-	Operation prohibited	Operation prohibited
   DOWN operation interlocked with key	-	Operation prohibited	Operation prohibited

   HINT:

   In case of normal limit switch, the prohibition (fail-safe function) will be cancelled by fully opening the door glass that is fully closed by the manual operation, then AUTO operations will be possible.

1. ECU Data Monitor:
   1. The ECU data monitor will indicate if the part is normal or malfunctioning.

   Standard: 

   Door ECU (driver side) (switch condition) 

   DOOR ECU (DRIVER SIDE) SWITCH CONDITION CHART
   
   

   Item	Inspecting condition	Standard value
   Driver side power window AUTO switch	Pressed-->Not pressed	ON/OFF
   Jam protection limit switch	Power window fully open-->fully closed	ON/OFF

   Door ECU (driver side) (jam protection threshold) 

   DOOR ECU (DRIVER SIDE) INSPECTING CONDITION
   
   

   Item	Inspecting condition	Standard value
   Window full-close position-->1/4 open position	Power window is going UP by manual operation	OK/CAUTION (1)
   Window 1/4 open position-->2/4 open position	Power window is going UP by manual operation	OK/CAUTION (1)
   Window 2/4 open position-->3/4 open position	Power window is going UP by manual operation	OK/CAUTION (1)
   Window 3/4 open position-->full-open position	Power window is going UP by manual operation	OK/CAUTION (1)
   (1) "CAUTION" is indicated when something is detected in being caught in the window.

2. Active Test:
   1. The active test will indicate if the part is normal or malfunctioning.

   Standard: 

   Door ECU (driver side) 

   ITEM AND OPERATION
   
   

   Item	Operation
   Power window	UP/DOWN

3. Customizing Function (reference):
   1. Using the hand-held tester, select a setting from the following items on the power window.

   Standard: 

   Door ECU (driver side) 

   ITEM AND SETTING
   
   

   Item	Setting
   Power window UP operation interlocked with door	With/Without function
   Power window DOWN operation interlocked with door	With/Without function