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Home >> Nissan-Datsun >> 2015 >> Rogue Select AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Trouble Codes (DTCS) P0130-P1225) >> DTC/Circuit Diagnosis >> DTC P0420: Three Way Catalyst Function >> Component Function Check >> Diagnostic Test
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Diagnostic Test

  1. PERFORM COMPONENT FUNCTION CHECK

    G-21Without CONSULT 

    1. Start engine and warm it up to the normal operating temperature.
    2. Turn ignition switch OFF and wait at least 10 seconds.
    3. Start engine and keep the engine speed between 3, 500 and 4, 000 RPM for at least 1 minute under no load.
    4. Let engine idle for 1 minute.
    5. Open engine hood.
    6. Check the voltage between ECM harness connector terminals under the following condition.
      ECM Condition Voltage
      Connector Terminal Connector Terminal
      F8 33
      (HO2S2 signal)      		 F8 35
      (Sensor ground)      		 Keeping engine speed at 2, 500 RPM constant under no load The voltage fluctuation cycle takes more than 5 seconds.
      1 cycle: 0.6 - 1.0 → 0 - 0.3 → 0.6 - 1.0

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Go to DIAGNOSIS PROCEDURE .

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