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 DTC PRIORITY
If DTC P0335 is displayed with another DTC P0643, first perform the trouble diagnosis for DTC P0643.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Description .

NO

GO TO 2.

CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY

Disconnect crankshaft position (CKP) sensor (POS) harness connector.
Turn ignition switch ON.

Check the voltage between CKP sensor (POS) harness connector and ground.

+		-	Voltage (V)
CKP sensor (POS)
Connector	Terminal
F30	1	Ground	Approx. 5

Is the inspection result normal?

YES

GO TO 4.

GO TO 3.

CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT

Turn ignition switch OFF
Disconnect ECM harness connector.

Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.

CKP sensor (POS)		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F30	1	F13	28	Existed

Is the inspection result normal?

YES

INSPECTION END

Repair or replace error-detected parts.

CHECK CKP SENSOR (POS) GROUND CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.

Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.

CKP sensor (POS)		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F30	2	F13	40	Existed

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 5.

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.

CKP sensor (POS)		ECM		Continuity
Connector	Terminal	Connector	Terminal	Continuity
F30	3	F13	36	Existed

Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 6.

Repair open circuit, short to ground or short to power in harness or connectors.

CHECK CRANKSHAFT POSITION SENSOR (POS)
Check crankshaft position sensor (POS). Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 7.

NO

Replace crankshaft position sensor (POS). Refer to Exploded View .
CHECK GEAR TOOTH
Visually check for chipping signal plate gear tooth.

Is the inspection result normal?

YES

INSPECTION END

NO

Replace the drive plate. Refer to Disassembly and Assembly .