2021 Nissan-Datsun Sentra SFACTORY OEM SERVICE PROCEDURE

Component Inspection

  1. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE 
    1. Turn ignition switch ON.
    2. Select "DATA MONITOR" mode with CONSULT.
    3. Make sure that "COOLAN TEMP/S" indicates 60 deg. C (140 deg. F) or more. If not, cool engine down or warm engine up until "COOLAN TEMP/S" indicates between 60 deg. C (140 deg. F) or more. Then go to the following steps.
    4. Fully release accelerator pedal and make sure that "TUMBLE POS SEN" indicates between 2.8 V to 4.5 V.
    5. Depress accelerator pedal and make sure that "TUMBLE POS SEN" indicates between 0.2 V to 1.4 V.
    6. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Replace intake manifold assembly. Refer to Removal and Installation .

    NO

    GO TO 2.

  2. CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE 
    1. Turn ignition switch OFF.
    2. Disconnect intake manifold runner control valve harness connector.
    3. Check the resistance between intake manifold runner control valve terminals as per the following.

      Intake manifold runner control valve

      Resistance

      (Approx.)

      +

      -

      Terminal

      1

      2

      3 - 8 © [at 25 deg. C (77 deg. F)]

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace intake manifold assembly. Refer to Removal and Installation .

Factory Service Tools

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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.

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