Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

In case of not using the LEXUS hand-held tester, start from step 3.

Whether or not this DTC as cleared when the power window is lowered from fully close condition to half opened condition.
1. YES : It is suspected that the DTC was detected by ECU with any failure in the past.
2. NO : Go to next step.
Check jam protection limit switch using LEXUS hand-held tester.
PREPARATION:

Connect the LEXUS hand-held tester to the DLC 3.

CHECK:

Check the jam protection limit switch using DATA LIST.
1. OK : Replace rear door LH ECU (See HOW TO PROCEED WITH TROUBLESHOOTING )
2. NG : Go to next step.
Check jam protection limit switch (See INSPECTION ).
1. NG : Replace power window motor.
2. OK : Go to next step.
Check wireharness and connector between jam protection limit switch and rear door LH ECU, (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE )
1. NG : Repair or replace wireharness or connector.
2. OK : Replace rear door LH ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).