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.
Window Defogger Switch: Inspection
- INSPECT REAR WINDOW DEFOGGER SWITCH ASSEMBLY
- Inspect the defogger switch.
- Connect the battery's positive (+) lead to terminal 2 and negative (-) lead to terminal 3. Check that the indicator light turns on. If the result is not as specified, replace the switch or bulb.
- Inspect the defogger timer operation.
- Connect the battery's positive (+) lead to terminal 2 and negative (-) lead to terminal 3.
- Connect the battery's positive (+) lead to terminal 6 through a 1.4 W test bulb.
- Turn the defogger switch ON. Check that:
- The indicator light in the switch and test bulb turn on.
- After approximately 12 to 18 minutes, the indicator light and test bulb turn off.
If the result is not as specified, replace the switch.
- Inspect the defogger switch.
Use the Manual With the Right Hardware
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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.
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