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.
2012 Infiniti G25 BaseFACTORY OEM SERVICE PROCEDURE
Section 17 (Security Control System)
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.
- Precaution
- System Description
- Component Parts
- System
- Intelligent Key System/Ready Set Function
- NISSAN Vehicle Immobilizer System-NATS
- Vehicle Security System
- Diagnosis System (BCM)
- Diagnosis System (IPDM E/R)
- Ecu Diagnosis Information
- Wiring Diagram
- Basic Inspection
- DTC/Circuit Diagnosis
- DTC Index
- DTC P1610: Lock Mode
- DTC P1611: Id Discord, IMMU-VCM
- DTC P1612: Chain Of VCM-IMMU
- DTC B2192: Id Discord, IMMU-ECM
- DTC B2193: Chain Of ECM-IMMU
- DTC B2195: Anti-Scanning
- DTC B2198: NATS Antenna Amp
- DTC B2555: Stop Lamp
- DTC B2556: Power Switch
- DTC B2557: Vehicle Speed
- DTC B2601: Shift Position
- DTC B2602: Shift Position
- DTC B2603: Shift Position
- DTC B2604: Shift Position
- DTC B2617: Ready Signal Circuit
- DTC B2619: BCM
- DTC B261A: Power Switch
- DTC B261E: Vehicle Type
- DTC B26F7: BCM
- DTC B26FC: Key Registration
- Headlamp Function
- Horn Function
- Security Indicator Lamp
- Symptom Diagnosis
- Removal And Installation
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.
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