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.
Retained Power Operation Does Not Operate Properly
2012 Infiniti M56 V8-5.6L (VK56VD)SECTION Retained Power Operation Does Not Operate Properly
RETAINED POWER OPERATION DOES NOT OPERATE PROPERLY
Diagnosis Procedure
1. CHECK DOOR SWITCH
Check door switch.
Door Switch.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace the malfunctioning parts.
2. CHECK POWER WINDOW MAIN SWITCH
Check power window main switch system.
Diagnosis Procedure.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.
3. CHECK BCM POWER SUPPLY AND GROUND
Check BCM power supply and ground circuit.
Power Supply And Ground Circuit.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.
4. CHECK SUNROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND
Check sunroof motor assembly power supply and ground circuit.
Power Supply And Ground Circuit.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace the malfunctioning parts.
5. CHECK SUNROOF SWITCH
Check sunroof switch circuit.
Sunroof Switch.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace the malfunctioning parts.
6. CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- GO TO 1.
RENDER: 1.0x
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.