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.
Fail-Safe Chart
- CHECK POWER WINDOW FAIL-SAFE FUNCTION
HINT:
If there is a malfunction in the power window system, some of the power window functions will be disabled.
Driver side power window
FAIL-SAFE CHARTMalfunctioning Part Disabled Function Operative Function Pulse sensor circuit in power window motor - AUTO UP/DOWN function
- Power window operation function after engine switch is turned off
- Manual UP (fully pulled UP position)
- Manual DOWN
- Remote (AUTO and manual)
- Remote function after engine switch is turned off (AUTO and manual)
CPU in power window master switch - AUTO UP/DOWN function
- Remote function (AUTO and manual)
- Manual UP (fully pulled UP position)
- Manual DOWN
Power windows except driver side power window
FAIL-SAFE CHARTMalfunctioning Part Disabled Function Operative Function - Pulse sensor circuit in power window motor
- CPU in power window master switch
- Communication between master switch and each power window switch
- AUTO UP/DOWN function
- Power window operation function after engine switch is turned off
- Manual UP (fully pulled UP position)
- Manual DOWN
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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