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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Self-Diagnostic System >> Fail-Safe Modes >> ECM (DTCs Not Accessible)
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ECM (DTCs Not Accessible)

Maximum engine speed is 3000 RPM. Fuel injection operates in simultaneous mode. Ignition timing is fixed. Fuel pump relay remains on when engine is running and off when engine stalls. Cooling fans operate at high speed when engine is running. If ECM fail-safe mode is confirmed, replace ECM.

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