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 MANUALSLEXUS2012CT 200H L4-1.8L (2ZR-FXE) HYBRIDREPAIR AND DIAGNOSISWINDOWS AND GLASSWINDOWSPOWER WINDOW SWITCHTESTING AND INSPECTIONPOWER WINDOW MASTER SWITCH
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) Hybrid
Power Window Master Switch
2012 Lexus CT 200h L4-1.8L (2ZR-FXE) HybridSECTION Power Window Master Switch
WINDOW / GLASS: POWER WINDOW MASTER SWITCH: INSPECTION
1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
(a) Check that the LED illuminates.
(1) Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates.
OK:
Text in Illustration
If the result is not as specified, replace the multiplex network master switch assembly.
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.