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 LIN COMMUNICATION SYSTEM
- Check for LIN communication system DTCs related to the power window control system (See
DTC CHECK / CLEAR
).
OK: LIN communication system DTCs are not output.
NG: GO TO LIN COMMUNICATION SYSTEM (See DIAGNOSTIC TROUBLE CODE CHART )
OK: Go to next step
- Check for LIN communication system DTCs related to the power window control system (See
DTC CHECK / CLEAR
).
- CHECK MULTIPLEX NETWORK MASTER SWITCH (WINDOW LOCK SWITCH)
- Turn the window lock switch off and operate the switches on the multiplex network master switch. Check that the remote up/down function operates (See OPERATION CHECK
).
OK: Remote up/down function operates.
NG: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (See REMOVAL )
OK: END
- Turn the window lock switch off and operate the switches on the multiplex network master switch. Check that the remote up/down function operates (See OPERATION CHECK
).
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.