DTC DETECTION LOGIC

DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause
P0627 | Sub fuel pump control circuit open | ECM detects the sub fuel pump circuit is open. |

- Harness or connectors
  (Sub fuel pump circuit is open.)
- Sub fuel pump

DTC CONFIRMATION PROCEDURE
1.PERFORM COMPONENT FUNCTION CHECK
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III

1. Turn ignition switch ON.
2. Select “SUB FUEL PUMP RELAY” in “ACTIVE TEST” mode with CONSULT-III.
3. Touch “ON” and wait 5 seconds.
4. Check DTC.

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