Pre-Check
NOTE: This is the only information provided by the manufacturer for reading diagnostic trouble codes for this system.PRE-CHECK
1. POWER WINDOW OPERATION MODE
2. POWER WINDOW FAIL-SAFE FUNCTION
a. When an abnormality is detected in the limit switch and pulse sensor for operating the jam protection function (DTC: B1231/31, B1232/32, B1233/33, B1234/34), the given power window operations will be Prohibited for fail-safe.
3. INSPECTION WITH LEXUS HAND-HELD TESTER
a. ECU Data Monitor:
1. Make a judgement of good or bad and find out a malfunctioning part by the ECU data monitor.
b. Active Test:
1. Make a judgement of good or bad and find out a malfunctioning part by the active test.
c. Customizing Function (reference):
1. Select the given controls on power window.