Nissan Versa (N17): P0605 ECM

DTC Logic

DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause

P0605

Engine control module A ECM calculation function is malfunctioning. ECM
B ECM EEP-ROM system is malfunctioning.
C ECM self shut-off function is malfunctioning.

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  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.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A

  1. Turn ignition switch ON.
  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B

  1. Turn ignition switch ON and wait at least 1 second.
  2. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
  3. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> GO TO 4.

4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

  1. Turn ignition switch ON and wait at least 1 second.
  2. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
  3. Repeat step 2 for 32 times.
  4. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Go to EC, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.INSPECTION START

  1. Erase DTC.
  2. Perform DTC CONFIRMATION PROCEDURE.
  3. See EC, "DTC Logic".

Is the 1st trip DTC P0605 displayed again?

YES >> GO TO 2.

NO >> INSPECTION END

2.REPLACE ECM

  1. Replace ECM. Refer to EC, "Removal and Installation".
  2. Perform EC, "Work Procedure".

>> INSPECTION END

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