Nissan Sentra manuals

Nissan Sentra Service Manual: 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.

*1: When the same malfunction is detected


*1: When the same malfunction is detected in two consecutive trips, MIL will illuminate.

*2: MIL will turn off after vehicle is driven 3 times (driving pattern B) without any malfunctions.

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.

*: For group, refer to EC-94, "DTC Index".


*: For group, refer to EC-94, "DTC Index".

PERMANENT DTC ITEM

For permanent DTC items, MIL turns ON. Refer to EC-94, "DTC Index"

PERMANENT DTC SERVICE PROCEDURE

Work Procedure (Group A)


Work Procedure (Group A)

*1: When the same malfunction is detected


*1: When the same malfunction is detected in two consecutive trips, MIL will illuminate.

1.CHECK DTC

Check DTC.

Is any DTC detected? YES >> Repair malfunction(s) and erase DTC. Refer to EC-63, "On Board Diagnosis Function", EC-66, "CONSULT Function".

NO >> GO TO 2.

2.CHECK PERMANENT DTC

With CONSULT


  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. Select “PERMANENT DTC STATUS” mode with CONSULT.

With GST


  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. Select Service $0A with GST.

Is any permanent DTC detected? YES >> GO TO 3.

NO >> END

3.PERFORM DTC CONFIRMATION PROCEDURE

Perform “DTC CONFIRMATION PROCEDURE” for DTCs which are the same as permanent DTCs stored in ECM. Refer to EC-94, "DTC Index".

>> GO TO 4.

4.CHECK PERMANENT DTC

With CONSULT


  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. Select “PERMANENT DTC STATUS” mode with CONSULT.

With GST


  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. Select Service $0A with GST.

Is any permanent DTC detected? YES >> GO TO 1.

NO >> END

Work Procedure (Group B)

*1: When the same malfunction is detected


*1: When the same malfunction is detected in two consecutive trips, MIL will illuminate.

*2: After experiencing driving pattern B and D, permanent DTC is erased.

*3: Indication does not change unless the ignition switch is turned from ON to OFF twice even after experiencing driving pattern B or D.

NOTE:

Drive the vehicle according to only driving patterns indicating “INCMP” in driving patterns B and D on the “PERMANENT DTC STATUS” screen.

1.CHECK DTC

Check DTC.

Is any DTC detected? YES >> Repair malfunction(s) and erase DTC. Refer to EC-63, "On Board Diagnosis Function", EC-66, "CONSULT Function".

NO >> GO TO 2.

2.CHECK PERMANENT DTC

With CONSULT


  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. Select “PERMANENT DTC STATUS” mode with CONSULT.

With GST


  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. Select Service $0A with GST.

Is any permanent DTC detected? YES >> GO TO 3.

NO >> END

3.DRIVE DRIVING PATTERN B

CAUTION:

With CONSULT


  1. Start engine and warm it up to normal operating temperature.
  2. Use “PERMANENT DTC WORK SUPPORT” mode with CONSULT to drive the vehicle according to driving pattern B. Refer to EC-66, "CONSULT Function", EC-60, "DIAGNOSIS DESCRIPTION : Driving Pattern".

With GST


  1. Start engine and warm it up to normal operating temperature.
  2. Drive the vehicle according to driving pattern B. Refer to EC-60, "DIAGNOSIS DESCRIPTION : Driving Pattern".

>> GO TO 4.

4.CHECK PERMANENT DTC

With CONSULT


  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. Select “PERMANENT DTC STATUS” mode with CONSULT.

With GST


  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. Select Service $0A with GST.

Is any permanent DTC detected? YES >> GO TO 5.

NO >> END

5.DRIVE DRIVING PATTERN D

CAUTION:

Drive the vehicle according to driving pattern D. Refer to EC-60, "DIAGNOSIS DESCRIPTION : Driving Pattern".

>> GO TO 6.

6.CHECK PERMANENT DTC

With CONSULT


  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 second
  4. Turn ignition switch ON.
  5. Select “PERMANENT DTC STATUS” mode with CONSULT.

With GST


  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. Select Service $0A with GST.

Is any permanent DTC detected? YES >> GO TO 1.

NO >> END

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