DTC Diagnosis Procedure

CHECK DTC PRIORITY
If DTC P0345 is displayed with DTC P0643, first perform the confirmation procedure (trouble diagnosis) for DTC P0643.

Is applicable DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Description .

NO>>

GO TO 2.
CHECK STARTING SYSTEM
Turn ignition switch to START position.

Does the engine turn over? Does the starter motor operate?

YES>>

GO TO 3.

NO>>

Check starting system. Refer to Work Flow . For details, Refer to STARTING SYSTEM : Preparation .)
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E191. Refer to Ground Inspection in Inspection .
Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace ground connection.

CHECK INTAKE CAMSHAFT POSITION SENSOR POWER SUPPLY

Disconnect intake camshaft position sensor harness connector.
Turn ignition switch ON.

Check the voltage between intake camshaft position sensor harness connector and ground.

Intake camshaft position sensor				Ground	Voltage (V)
Bank		Connector	Terminal	Ground	Voltage (V)
2		F97	1	Ground	Approx. 5

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

P0345: GO TO 5.

CHECK INTAKE CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect ECM harness connector.

Check the continuity between intake camshaft position sensor harness connector and ECM harness connector.

Intake camshaft position sensor			ECM		Continuity
Bank	Connector	Terminal	Connector	Terminal	Continuity
2	F97	1	F143	60	Existed

Is the inspection result normal?

YES>>

Check sensor power supply 2 circuit. Refer to Diagnosis Procedure .

NO>>

Repair or replace error-detected parts.

CHECK INTAKE CAMSHAFT POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

Turn ignition switch OFF.
Disconnect ECM harness connector.

Check the continuity between intake camshaft position sensor harness connector and ECM harness connector.

Intake camshaft position sensor				ECM		Continuity
Bank		Connector	Terminal	Connector	Terminal	Continuity
2		F97	2	F143	76	Existed

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

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

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

CHECK INTAKE CAMSHAFT POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

Check the continuity between intake camshaft position sensor harness connector and ECM harness connector.

Intake camshaft position sensor				ECM		Continuity
Bank		Connector	Terminal	Connector	Terminal	Continuity
2		F97	3	F143	67	Existed

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

Is the inspection result normal?

YES>>

GO TO 8.

NO>>

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

CHECK CAMSHAFT POSITION SENSOR
Refer to Component Inspection . Is the inspection result normal?

YES>>

GO TO 9.

NO>>

Replace malfunctioning camshaft position sensor. Refer to CAMSHAFT : Exploded View .

CHECK CAMSHAFT (INTAKE)

Check the following.

BANK 1

Accumulation of debris to the signal plate of camshaft rear end

Chipping signal plate of camshaft rear end

Courtesy of NISSAN NORTH AMERICA, INC.

BANK 2

Accumulation of debris to the signal plate of camshaft rear end

Chipping signal plate of camshaft rear end

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Remove debris and clean the signal plate of camshaft rear end or replace camshaft. Refer to CAMSHAFT : Exploded View .