Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSCION2010TC L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESJAM PROTECTION FUNCTION DOES NOT OPERATE
2010 Scion tC L4-2.4L (2AZ-FE)
Jam Protection Function Does Not Operate
2010 Scion tC L4-2.4L (2AZ-FE)SECTION Jam Protection Function Does Not Operate
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Jam Protection Function does not Operate
- Jam Protection Function does not Operate
DESCRIPTION
The power window regulator master switch controls the driver and passenger side power window regulator motors. The power window regulator switch controls the passenger side power window regulator motor. The jam protection function operates only within the specified range during AUTO UP operation.
HINT
The jam protection function is available on the driver side power window and passenger side power window.
INSPECTION PROCEDURE
PROCEDURE
1. POWER WINDOW REGULATOR MOTOR ASSEMBLY (LH AND RH)
(a) Reset the power window regulator motor Programming and Relearning.
(b) Check if the power window AUTO UP/DOWN function operates normally.
OK:
AUTO UP/DOWN function operates normally.
NG -- OTHER PROBLEM
OK -- Continue to next step.
2. CHECK JAM PROTECTION FUNCTION OPERATING RANGE
(a) Check that the jam protection function operates normally Component Tests and General Diagnostics.
HINT
The jam protection function does not operate from the fully closed position of the door glass to 4 mm (0.16 in.) below that.
NG -- REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (LH AND RH)
OK -- 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:
- • 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.