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HOMESERVICE MANUALSNISSAN-DATSUN2012370Z TOURING, 2D CONVERTIBLE, STANDARD TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - DTCS P0130 THROUGH P0445DTC P0171, P0174: FUEL INJECTION SYSTEM FUNCTIONDTC LOGICDTC CONFIRMATION PROCEDURE
2012 Nissan-Datsun 370Z Touring, 2D Convertible, Standard Trans

DTC Confirmation Procedure

2012 Nissan-Datsun 370Z Touring, 2D Convertible, Standard TransSECTION DTC Confirmation Procedure
  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

      GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE-I
    1. Clear the mixture ratio self-learning value. Refer to "MIXTURE RATIO SELF-LEARNING VALUE CLEAR: SPECIAL REPAIR REQUIREMENT ".
    2. Start engine.

      Is it difficult to start engine? 

      YES: GO TO 3.

      NO: GO TO  4.

  3. RESTART ENGINE

    If it is difficult to start engine, the fuel injection system has a malfunction, too.

    Crank engine while depressing accelerator pedal.

    NOTE: When depressing accelerator pedal three fourths (3/4) or more, the control system does not start the engine. Do not depress accelerator pedal too much.

    Does engine start? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: Check exhaust and intake air leak visually.

  4. PERFORM DTC CONFIRMATION PROCEDURE-II
    1. Keep engine idle for at least 5 minutes.
    2. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: GO TO 5.

  5. PERFORM DTC CONFIRMATION PROCEDURE-III
    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Start engine.
    3. Maintain the following conditions for at least 10 consecutive minutes.

      Hold the accelerator pedal as steady as possible.

      VHCL SPEED SE 50 - 120 km/h (31 - 75 MPH)
      CAUTION: Always drive vehicle at a safe speed.
    4. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END

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.