DTC DETECTION LOGIC NOTE： If DTC P0011 or P0021 is displayed with DTC P0075 or P0081, first perform the trouble diagnosis for DTC P0075, P0081. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No. | Trouble diagnosis name | Detecting condition | Possible cause
P0011 | Intake valve timing control performance (bank 1) | There is a gap between angle of target and phase-control angle degree. |

- Crankshaft position sensor (POS)
- Camshaft position sensor (PHASE)
- Intake valve timing control solenoid valve
- Accumulation of debris to the signal pick-up portion of the camshaft
- Timing chain installation
- Foreign matter caught in the oil groove for intake valve timing control

P0021 | Intake valve timing control performance (bank 2)

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 between 10 V and 16 V at idle.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-I

1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Start engine and warm it up to the normal operating temperature.
3. Maintain the following conditions for at least 6 consecutive seconds. Hold the accelerator pedal as steady as possible.

   ENG SPEED | 1,200 - 2,000 rpm
   COOLAN TEMP/S | More than 60°C (140°F)
   Selector lever | P or N position

4. Let engine idle for 10 seconds.
5. 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. Select “DATA MONITOR” mode with CONSULT-III.
2. Maintain the following conditions for at least 20 consecutive seconds.

   ENG SPEED | 1,700 - 3,175 rpm (A constant rotation is maintained.)
   COOLAN TEMP/S | More than 70°C (158°F)
   Selector lever | M position (1st or 2nd gear)
   Driving location uphill | Driving vehicle uphill (Increased engine load will help maintain the driving conditions required for this test.)

   ■ CAUTION ■
   Always drive at a safe speed.
3. Check 1st trip DTC.

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