 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.
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Trouble diagnosis name
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Detecting condition
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Possible cause
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P0011
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Intake valve timing control performance (bank 1)
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There is a gap between angle of target and phase-control angle degree.
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- 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
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P0021
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Intake valve timing control performance (bank 2)
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 DTC CONFIRMATION PROCEDURE
 1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. - Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- 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
- Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
- Start engine and warm it up to the normal operating temperature.
- 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
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- Let engine idle for 10 seconds.
- 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
- Select “DATA MONITOR” mode with CONSULT-III.
- 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.)
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■ CAUTION ■ Always drive at a safe speed.
- Check 1st trip DTC.
Is 1st trip DTC detected?
YES >>Go to Diagnosis Procedure (GT-R certified NISSAN dealer)NO >>INSPECTION END
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