How To Erase Permanent DTC: Description: Outline

When a DTC is stored in ECM

When a DTC is stored in ECM and MIL is ON, a permanent DTC is erased with MIL shutoff if the same malfunction is not detected after performing the driving pattern for MIL shutoff three times in a raw.

Fig 1: Permanent DTC, MIL, IGN And Vehicle Speed Driving Pattern

Courtesy of NISSAN NORTH AMERICA, INC.

When a DTC is not stored in ECM

The erasing method depends on a permanent DTC stored in ECM. Refer to the following table.

NOTE: If the applicable permanent DTC includes multiple groups, perform the procedure of Group B first. If the permanent DTC is not erased, perform the procedure of Group A.

x: Applicable -: Not applicable

Group⁽¹⁾

Perform "DTC CONFIRMATION PROCEDURE" for applicable DTCs.

Driving pattern

Reference

PERMANENT DTC SERVICE PROCEDURE

WORK PROCEDURE (GROUP B)

⁽¹⁾	For group, refer to "DTC INDEX ".