DTC DETECTION LOGIC NOTE： If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause
P0340 | Camshaft position sensor (PHASE) (bank 1) circuit |

- The cylinder No. signal is not sent to ECM for the first few seconds during engine cranking.
- The cylinder No. signal is not sent to ECM during engine running.
- The cylinder No. signal is not in the normal pattern during engine running.

- Harness or connectors
  [CMP sensor (PHASE) (bank 1) circuit is open or shorted.]
- Camshaft position sensor (PHASE) (bank 1)
- Camshaft (INT)
- Starter motor
- Starting system circuit
- Dead (Weak) battery

P0345 | Camshaft position sensor (PHASE) (bank 2) circuit |

- Harness or connectors
  [CMP sensor (PHASE) (bank 2) circuit is open or shorted.]
  [CKP sensor (POS) circuit is shorted.]
  (Power steering pressure sensor circuit is shorted.)
  (Manifold absolute pressure sensor circuit is shorted.)
  (APP sensor 2 circuit is shorted.)
  (Refrigerant pressure sensor circuit is shorted.)
- Camshaft position sensor (PHASE) (bank 2)
- Crankshaft position sensor (POS)
- Power steering pressure sensor
- Manifold absolute pressure sensor
- Accelerator pedal position sensor
- Refrigerant pressure sensor
- Camshaft (INT)
- Starter motor
- Starting system circuit
- Dead (Weak) battery

DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-I

1. Start engine and let it idle for at least 5 seconds.If engine does not start, crank engine for at least 2 seconds.
2. Check 1st trip DTC.

Is 1st trip DTC detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-II

1. Maintaining engine speed at more than 800 rpm for at least 5 seconds.
2. Check 1st trip DTC.

Is 1st trip DTC detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>INSPECTION END