Nissan Sentra manuals

Nissan Sentra Service Manual: P0604 ECM

DTC Logic

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms (Trouble diagnosis content)

DTC detecting condition

Possible cause

P0604 ECM [Internal control module random access memory (RAM) error] Malfunction in the internal RAM of ECM. ECM

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

  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.

TESTING CONDITION:

Before performing the following procedure, confirm that battery voltage is 11 V or more with ignition switch ON.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON (engine stopped) and wait least 20 minutes.

CAUTION:

Never start engine during this procedure.

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

Is 1st trip DTC detected? YES >> Proceed to EC-347, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON.
  2. Erase DTC.
  3. Perform DTC confirmation procedure. Refer to EC-347, "DTC Logic".

Is the 1st trip DTC P0604 displayed again? YES >> Replace ECM. Refer to EC-485, "Removal and Installation".

NO >> INSPECTION END

P0603 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0603 ECM BACK UP CIRCUIT [Internal co ...

P0605 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0605 ECM [Internal control module ...

Other materials:

Both side headlamps do not switch to high beam
Description The headlamps (both sides) do not switch to high beam when the lighting switch is in the hi or pass setting. Diagnosis procedure 1.Combination switch (lighting and turn signal switch) inspection Check the combination switch (lighting and turn signal switch). Refer to bcs-72, &q ...

Floor mats
WARNING To avoid potential pedal interference that may result in a collision or injury: NEVER place a floor mat on top of another floor mat in the driver front position. Use only genuine NISSAN floor mats specifically designed for use in your vehicle model. See ...

Bcm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the bcm for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes > ...

В© 2014-2020 Copyright www.nisentra.com