Operation CHARM: Car repair manuals for everyone.

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.