Nissan Maxima Service and Repair Manual: How to erase permanent DTC

Nissan Maxima Service and Repair Manual / Engine / Engine control system / Basic inspection / 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.

Nissan Maxima. OUTLINE

*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.

Nissan Maxima. OUTLINE

*: For group,

PERMANENT DTC ITEM

For permanent DTC items, MIL turns ON.

PERMANENT DTC SERVICE PROCEDURE

Nissan Maxima. PERMANENT DTC SERVICE PROCEDURE

Work Procedure (Group A)

Nissan Maxima. Work Procedure (Group A)

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

1.CHECK DTC

Check DTC.

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

3.PERFORM DTC CONFIRMATION PROCEDURE

Perform "DTC CONFIRMATION PROCEDURE" for DTCs which are the same as permanent DTCs stored in ECM.

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.

Work Procedure (Group B)

Nissan Maxima. Work Procedure (Group B)

*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.

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.

3.DRIVE 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 and D is reset.

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-138, "CONSULT Function", EC-132, "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-132, "DIAGNOSIS DESCRIPTION : Driving Pattern".

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.

5.DRIVE 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 and D is reset.
  1. Drive the vehicle according to driving pattern D. Refer to EC-132, "DIAGNOSIS DESCRIPTION : Driving Pattern".

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 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.
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