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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 7) >> Engine (ECM) >> P0331 Knock Sensor >> DTC Description

DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detected condition
P0331 KNOCK SENSOR 1 B2
(Knock/Combustion Vibration Sensor 2 Circuit Range/Performance Bank 2)
Diagnosis condition During fuel cut after engine warm-up
Signal Knock sensor
Threshold When the ECM detects knocking during engine running more than the threshold value
Diagnosis delay time 5 seconds

POSSIBLE CAUSE 

Harness or connectors

(The knock sensor circuit is open or shorted.)

FAIL-SAFE 

Not applicable