Nissan Sentra B18 (2020-2025) Service Manual: Knock Sensor
Component Inspection
Component Inspection
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CHECK KNOCK SENSOR
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Turn ignition switch OFF.
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Disconnect knock sensor harness connector.
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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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Preparation. Preparation
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