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 MANUALSINFINITI2008EX35 BASE, AWDREPAIR AND DIAGNOSISELECTRICALMOTORS, SWITCHES, RELAYSPOWER CONTROL SYSTEMIPDM E/RCOMPONENT DIAGNOSISDTC B2099: IGNITION RELAY OFF STUCKDIAGNOSIS PROCEDURE
2008 Infiniti EX35 Base, AWD
Diagnosis Procedure
2008 Infiniti EX35 Base, AWDSECTION Diagnosis Procedure
- PERFORM SELF DIAGNOSIS
- Turn the ignition switch ON.
- Erase "Self Diagnostic Result".
- Turn ignition switch OFF.
- Turn the ignition switch ON. Check "Self Diagnostic Result" again.
Is "IGN RELAY OFF" displayed?
YES: Replace IPDM E/R.
NO: Refer to INTERMITTENT INCIDENT .
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.