Jam Protection Function Does Not Operate

2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION 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 for any of the windows.

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

INSPECTION PROCEDURE

NOTICE:
If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system Initialization.

PROCEDURE

1. PERFORM INITIALIZATION (APPLICABLE LOCATION)

(a) Initialize the power window regulator motor assembly (applicable location) Initialization.

NEXT -- Continue to next step.

2. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION)

(a) Check if the power window auto up and down functions operate normally Operation Check.

OK:

Auto up and down functions are normal.

NG -- GO TO OTHER PROBLEM (Proceed to Problem Symptoms Table) Problem Symptoms Table
OK -- Continue to next step.

3. CHECK JAM PROTECTION FUNCTION OPERATING RANGE

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

HINT
The jam protection function will not operate within 4 mm (0.157 in.) of the fully closed position.

OK:

Jam protection function operates normally.

Result:





B -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side or Front Passenger Side) Removal

C -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side or Rear RH Side) Removal

A -- END (PROBLEM DUE TO INITIALIZATION FAILURE)
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:

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