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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Basic Inspection >> How To Erase Permanent DTC >> Work Procedure (Group B)
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Work Procedure (Group B)

Fig 1: Relationship Diagram Between DTC, MIL, Driving Pattern And Permanent DTC Status (Group B)
G07020103Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE:
  • Drive the vehicle according to only driving patterns indicating "INCMP" in driving patterns B and D on the "PERMANENT DTC STATUS" screen.
  • When experiencing both driving pattern B and D during the same trip, the experience of driving pattern D is counted by priority.
  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.
  4. Turn ignition switch ON.
  5. Check permanent DTC. Refer to "DIAGNOSIS DESCRIPTION ".
  6. Start engine and warm it up to normal operating temperature.
  7. Drive the vehicle according to driving pattern D.
    CAUTION:
    • Always drive at a safe speed.
    • Never erase self-diagnosis results.
    • If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving pattern B or D is reset.
    • If self-diagnosis results are erased during the trip of driving pattern B or D, an experience of driving pattern B and D during the same trip is not counted up.
  8. Turn ignition switch OFF and wait at least 10 seconds.
  9. Turn ignition switch ON.
  10. Turn ignition switch OFF and wait at least 10 seconds.
  11. Turn ignition switch ON.
  12. Use "PERMANENT DTC WORK SUPPORT" to drive the vehicle according to driving pattern B.
    CAUTION:
    • Always drive at a safe speed.
    • Never erase self-diagnosis results.
    • If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving pattern B or D is reset.
    • If self-diagnosis results are erased during the trip of driving pattern B or D, an experience of driving pattern B and D during the same trip is not counted up.
  13. Turn ignition switch OFF and wait at least 10 seconds.
  14. Turn ignition switch ON.
  15. Turn ignition switch OFF and wait at least 10 seconds.
  16. Turn ignition switch ON.
  17. Check permanent DTC. Refer to "DIAGNOSIS DESCRIPTION ".
  18. Check that the permanent DTCs have been erased.