DTC DETECTION LOGIC

DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause
P004A | Turbocharger boost control solenoid valve circuit open | ECM detected the turbocharger boost control solenoid valve circuit is open. |

- Harness or connectors
  (Turbocharger boost control solenoid valve circuit is open or shorted.)
- Turbocharger boost control solenoid valve

P004C | Turbocharger boost control solenoid valve circuit low input | ECM detected the turbocharger boost control solenoid valve circuit is short to ground.
P004D | Turbocharger boost control solenoid valve circuit high input | ECM detected the turbocharger boost control solenoid valve circuit is short to power.

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.

>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait 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