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.
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HOMESERVICE MANUALSINFINITI2012G37 SPORT, 2D COUPEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 17 (SECURITY CONTROL SYSTEM)SYSTEM DESCRIPTIONSYSTEMINTELLIGENT KEY SYSTEM/READY SET FUNCTIONINTELLIGENT KEY SYSTEM/READY SET FUNCTION : SYSTEM DESCRIPTIONOPERATION WHEN INTELLIGENT KEY IS CARRIED
2012 Infiniti G37 Sport, 2D Coupe
Operation When Intelligent Key Is Carried
2012 Infiniti G37 Sport, 2D CoupeSECTION Operation When Intelligent Key Is Carried
WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
- When the power switch is pressed, BCM activates the inside key antenna and transmits the request signal to the Intelligent Key.
- The Intelligent Key receives the request signal and transmits the Intelligent Key ID signal to BCM.
- BCM receives the Intelligent Key ID signal via remote keyless entry receiver, and verifies it with the registered ID.
- BCM turns ACC relay ON and transmits ON power supply signal to IPDM E/R if the verification results are OK.
- IPDM E/R turns the ignition relay ON to start ON power supply.
- BCM detects that the shift position and brake pedal operating condition.
- BCM transmits READY signal to VCM if BCM judges that the READY set condition* is satisfied.
*: For READY set condition, refer to "READY SET CONDITION TABLE BY POWER SWITCH OPERATION " below.
NOTE:- If a malfunction is detected in the Intelligent Key system, "I-KEY system fault" on information display appears. In this case, BCM does not transmits READY signal.
- When the Intelligent Key is carried outside of the vehicle (inside key antenna detection area) while the power switch position is ACC or ON, BCM does not transmits READY signal even if READY set condition* is satisfied.
- When BCM receives feedback signal from VCM indicating that the vehicle is set to READY, BCM stops transmitting READY signal.
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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.