Jam Protection Function Does Not Operate

2010 Lexus LX 570 V8-5.7L (3UR-FE)SECTION Jam Protection Function Does Not Operate




WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: Jam Protection Function does not Operate
- Jam Protection Function does not Operate

DESCRIPTION

* This symptom may occur to all door windows.

The jam protection function operates within a specified range during the manual up or auto up operation.

INSPECTION PROCEDURE

PROCEDURE

1. PERFORM INITIALIZATION

(a) Initialize the power window regulator motor Initialization.

(b) Check if the power window auto up/down function operates Operation Check.

OK:

Auto up/down function operates.

NG -- END (PROBLEM DUE TO INITIALIZATION FAILURE)
OK -- Continue to next step.

2. CHECK JAM PROTECTION FUNCTION OPERATING RANGE

(a) Check if the jam protection function operates for applicable power window.

HINT
The jam protection function does not operate from the fully closed position of the door glass to 4 mm (0.157 in.) below that.

OK:

Jam protection function operates.

Result





E -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Removal

D -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal

C -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Service and Repair

B -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Service and Repair

A -- END
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.