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 MANUALSNISSAN-DATSUN2012ALTIMA BASEREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSSECURITY CONTROL SYSTEM (WITH INTELLIGENT KEY) (SEDAN)
2012 Nissan-Datsun Altima Base
Security Control System (With Intelligent Key) (Sedan)
2012 Nissan-Datsun Altima BaseSECTION Security Control System (With Intelligent Key) (Sedan)
- Basic Inspection
- System Description
- Intelligent Key System/Engine Start Function
- NVIS (NISSAN Vehicle Immobilizer System-NATS)
- Vehicle Security System
- System Diagram
- System Description
- Component Parts Location
- Component Description
- Diagnosis System (BCM)
- DTC/Circuit Diagnosis
- DTC Index
- DTC U1000: Can Comm Circuit
- DTC U1010: Control Unit (Can)
- DTC B210B: Starter Control Relay
- DTC B210C: Starter Control Relay
- DTC B210D: Starter Relay
- DTC B210E: Starter Relay
- DTC B210F: PNP/Clutch Interlock Switch
- DTC B2110: PNP/Clutch Interlock Switch
- DTC B2190, P1610: NATS Antenna Amp
- DTC B2191, P1615: Difference Of Key
- DTC B2192, P1611: Id Discord, IMMU-ECM
- DTC B2193, P1612: Chain Of ECM-IMMU
- DTC B2195: Anti-Scanning
- DTC B2555: Stop Lamp
- DTC B2556: Push-Button Ignition Switch
- DTC B2557: Vehicle Speed
- DTC B2560: Starter Control Relay
- DTC B2601: Shift Position
- DTC B2602: Shift Position
- DTC B2603: Shift Position Status
- DTC B2604: PNP Switch
- DTC B2605: PNP Switch
- DTC B2608: Starter Relay
- DTC B260F: Engine Status
- DTC B26E8: Clutch Interlock Switch
- DTC B26EA: Key Registration
- DTC B2617: Starter Relay Circuit
- DTC B261E: Vehicle Type
- DTC B26E1: No Reception Of Engine Status Signal
- Power Supply And Ground Circuit
- Key Slot
- Key Slot Illumination
- Key Cylinder Switch
- Horn
- Headlamp
- Warning Lamp
- Vehicle Security Indicator
- Ecu Diagnosis Information
- Wiring Diagram
- Symptom Diagnosis
- Precaution
- Preparation
- Removal And Installation
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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.