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.
2009 Infiniti QX56 AWDFACTORY OEM SERVICE PROCEDURE
Power Window Main Switch
INPUT/OUTPUT SIGNAL CHART
INPUT/OUTPUT SIGNAL CHART
| Item | Input signal to main power window and door lock/unlock switch | Main power window and door lock/unlock switch function | Actuator |
|---|---|---|---|
| Key cylinder switch | LOCK/UNLOCK signal (more than 1.5 seconds over) | Power window control | Front power window motor |
| Encoder | Encoder pulse signal | ||
| Main power window and door lock/unlock switch | Front power window motor LH UP/DOWN signal | ||
| Power window and door lock/unlock switch RH | Front power window motor RH UP/DOWN signal | ||
| BCM | RAP signal | ||
| Rear power window control unit | Rear power window motor UP/DOWN signal | Rear power window motor |
Factory Service Tools
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.