Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LIN COMMUNICATION SYSTEM

Check for LIN communication system DTCs related to the power window control system

Result:

RESULT REFERENCE

Result	Proceed to
DTC is not output	A
DTC is output	B

B: GO TO LIN COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to Next Step

CHECK MASTER SWITCH ASSEMBLY (WINDOW LOCK SWITCH)
1. Turn the window lock switch OFF and operate the switches on the master switch Check that the remote UP/DOWN function operates normally
OK: Remote UP/DOWN function operates normally.

NG: REPLACE MASTER SWITCH ASSEMBLY (Seepage WS-123)

Fig 1: Identifying Window Lock Switch
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OK: END