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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Other materials:
B2c20-12 Starter Cut Relay
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen items
(Trouble diagnosis
content)
DTC detecting condition
...
Air Pressure Monitor
Consult Function (bcm - Air Pressure Monitor)
CONSULT Function
(BCM - AIR PRESSURE MONITOR)
Note:
The Signal Tech II Tool [– (NI-50190)] can be used
to perform the following functions. Refer to the Signal Tech II User
Guide for additional information.
Activate and ...
Torque Converter Clutch Solenoid Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS CONNECTOR
Ignition switch OFF.
Check the mating condition of TCM
harness connector and CVT unit harness
connector.
Is the inspect ...