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)SYMPTOM DIAGNOSISINTELLIGENT KEY SYSTEM/ENGINE START FUNCTION SYMPTOMSSYMPTOM TABLENOTES
2012 Nissan-Datsun Altima Base
Symptom Table: Notes
2012 Nissan-Datsun Altima BaseSECTION Notes
Engine cannot be started with all Intelligent Keys.
CAUTION:
- Follow Trouble Diagnosis Flowchart referring to " "WORK FLOW "". Determine malfunctioning condition before performing this diagnosis.
- Check that vehicle is under the condition shown in "Conditions of vehicle" before starting diagnosis.
- Check systems shown in the "Diagnosis/service procedure" column in this order.
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.