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Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » 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

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