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 POWER WINDOW LOCK SWITCH
- Turn the window lock switch OFF. Then operate the remote UP/DOWN function of the power window regulator master switch assy, passenger door and rear door windows. Check if the function operates normally.
OK: Remote UP/DOWN function operates normally.
NG: Go to step 2
OK: Go to next step
END
- CHECK MANUAL UP/DOWN FUNCTION
- Check that the passenger side power window manual UP/DOWN function operates normally.
NG: OTHER PROBLEM (See PROBLEM SYMPTOMS TABLE )
OK: Go to next step
- CHECK WIRE HARNESS
- Disconnect the D25, F17, R13 and R14 ECU connectors.
- Disconnect the DG and DI J/B connectors.
- Disconnect the PE and PI J/B connectors.
- Measure the resistance of the wire harness side connectors.
Standard
RESISTANCE SPECIFICATIONSTester Connection Specified Condition D25-25 (WLS1) - DI-21 Below 1 Ω F17-16 (WLSW) - PI-2 Below 1 Ω R13-24 (PCTI) - DI-19 Below 1 Ω R14-24 (PCTI) - PI-13 Below 1 Ω DG-9 - PE-18 Below 1 Ω D25-25 (WLS1) or DI-21 - Body ground 10 kΩ or higher F17-16 (WLSW) or PI-2 - Body ground 10 kΩ or higher R13-24 (PCTI) or DI-19 - Body ground 10 kΩ or higher R14-24 (PCTI) or PI-13 - Body ground 10 kΩ or higher DG-9 or PE-18 - Body ground 10 kΩ or higher DI-21 - DG-9 Below 1 Ω DI-21 - DI-19 Below 1 Ω PE-18 - PI-2 Below 1 Ω PE-18 - PI-13 Below 1 Ω NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
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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