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Home >> Lexus >> 2002 >> LS 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Driver Door Control System >> Symptom Diagnostic Procedures >> Power Window Master Switch Circuit
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Power Window Master Switch Circuit

CIRCUIT DESCRIPTION

DTC Detecting Condition:




Each terminal sends the following information to the Driver Door ECU.




WLSW:
Pressing the window lock switch of the master switch sends a signal to the ECU. This cuts the electricity to switches of the passenger, rear LH and RH door power windows, which forbids the power window control system operation with these switches.

DT1, DT2, DT3, SC1, SC2, SC3:

The Driver Door ECU distinguishes UP, DOWN and AUTO positions of the power window in the passenger and rear LH and RH door according to the combination matrix of terminals.









Wiring Diagram:






Step 1 - 3:




INSPECTION PROCEDURE
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