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.
Power Window Serial Link
All power window switches, soft top control unit, and BCM transmit and receive the signal by power window serial link.
The signal mentioned below is transmitted from BCM to soft top control unit.
- Power window down signal
- Retained power operation signal
The signal mentioned below is transmitted from soft top control unit to power window main switch.
- Power window down signal
- Power window operation prohibition signal
The signal mentioned below is transmitted from power window main switch to front power window switch (passenger side) and rear power window switch (LH & RH).
- Passenger side door window and rear side window (LH & RH) operation signal
- Power window control by door key cylinder switch signal
- Retained power operation signal
- Power window lock signal
The signal mentioned below is transmitted from power window main switch to BCM via soft top control unit.
- Power window control by door key cylinder switch signal
- Power window lock signal
- Door lock/unlock signal
NO RELATED
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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.