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Nissan Sentra B18 (2020-2025) Service Manual: Knock Sensor

Component Inspection

Component Inspection

  1. CHECK KNOCK SENSOR

    1. Turn ignition switch OFF.

    2. Disconnect knock sensor harness connector.

    3. Check resistance between knock sensor terminals as follows.

      Note:

      It is necessary to use an ohmmeter which can measure more than 10 MΩ.

    Knock sensor

    Condition

    Resistance

    Terminal

    1

    2

    Temperature

    20°C (68°F)

    532 – 588 kΩ

    CAUTION:

    Never use any knock sensors that have been dropped or physically damaged. Use only new ones.

    Is the inspection result normal?

    YES >>

    INSPECTION END

    NO >>

    Replace malfunctioning knock sensor. Refer to Exploded View.

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