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:

Structure and operation
TRANSAXLE TRANSAXLE : Cross-Sectional View Converter housing Oil pump Counter drive gear Control valve Oil pan Primary pulley Steel belt Secondary pulley Planetary gear (auxiliary gearbox) Side cover Transaxle case Differential case Final gear Reduction gear Cou ...

Symptom diagnosis
Squeak and rattle trouble diagnoses Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any custome ...

Antenna
Window antenna The antenna pattern is printed inside the rear window. CAUTION Do not place metalized film near the rear window glass or attach any metal parts to it. This may cause poor reception or noise. When cleaning the inside of the rear window, be careful not to scratch or d ...

В© 2014-2023 Copyright www.nisentra.com