Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK KNOCK SENSOR GROUND CIRCUIT
- Disconnect knock sensor harness connector and ECM harness connector.
- Check the continuity between knock sensor harness connector and ECM harness connector.
DTC
Knock sensor
ECM
Continuity
Bank
Connector
Terminal
Connector
Terminal
P0327, P0328
1
F202
2
F13
4
Existed
P0332, P0333
2
F203
2
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT
- Check the continuity between knock sensor harness connector and ECM harness connector.
DTC
Knock sensor
ECM
Continuity
Bank
Connector
Terminal
Connector
Terminal
P0327, P0328
1
F202
1
F13
5
Existed
P0332, P0333
2
F203
1
9
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between knock sensor harness connector and ECM harness connector.
- CHECK KNOCK SENSOR
Check knock sensor. Refer to Component Inspection .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace malfunctioning knock sensor. Refer to Exploded View .