POWER WINDOW CONTROL SYSTEM > Key-off Operation Function Operates even if Operating Conditions are not Satisfied

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DESCRIPTION

1. The multiplex network master switch keeps power supplied to the power window regulator motor for 43 seconds after the engine switch is turned off. However, the master switch will cut power if one of the following occurs: 1) driver side door is opened within 43 seconds, 2) a signal from the driver door courtesy light switch is input to the cowl side junction block ECU RH within 43 seconds, or 3) no power window activity occurs within 43 seconds.
   

WIRING DIAGRAM

INSPECTION PROCEDURE

1. Check the power window operation function after the engine switch is turned off.
   
   

   Result: 

   	Proceed to
   Driver side door is opened within 43 seconds but the power windows can still operate	A
   43 seconds pass and the power windows can still operate	B

B	REPLACE COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU)

A

1. Open the driver side door and check that the map light illuminates.
   

   OK:

   Map light illuminates.
   

NG	GO TO LIGHTING SYSTEM

OK
REPLACE COWL SIDE JUNCTION BLOCK RH (MULTIPLEX NETWORK BODY ECU)