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.
Inspection Procedure
- CHECK BASIC FUNCTION (ENTRY AND START SYSTEM)
- Check that the entry lock switch operates normally.
OK: Entry lock switch can lock all the doors.
NG: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (See HOW TO PROCEED WITH TROUBLESHOOTING )
OK: Go to next step
- Check that the entry lock switch operates normally.
- CHECK MANUAL UP / DOWN FUNCTION
- Check that the manual UP/DOWN function using the master switch and regulator switch can operate all the power windows.
OK: Manual UP/DOWN function operates normally.
NG: OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE )
OK: Go to next step
- Check that the manual UP/DOWN function using the master switch and regulator switch can operate all the power windows.
- CHECK REMOTE UP/DOWN FUNCTION
- Check that the remote UP/DOWN function using the master switch can operate the power windows.
OK: Remote UP/DOWN function operates normally.
NG: OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE )
OK: REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)
- Check that the remote UP/DOWN function using the master switch can operate the power windows.
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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