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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> On Board Diagnostic (OBD) System >> Malfunction Indicator Lamp (Mil) >> How To Switch Diagnostic Test Mode >> How to Set Diagnostic Test Mode II (Heated Oxygen Sensor 1 Monitor)

How to Set Diagnostic Test Mode II (Heated Oxygen Sensor 1 Monitor)

  1. Set the ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to HOW TO SET DIAGNOSTIC TEST MODE II (SELF-DIAGNOSTIC RESULTS)  .
  2. Start Engine.

    ECM has entered to Diagnostic Test Mode II (Heated oxygen sensor 1 monitor).

    ECM will start heated oxygen sensor 1 monitoring from the bank 1 sensor.

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