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
- Turn ignition switch OFF and wait at least 10 seconds
- Turn ignition switch ON.
- 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
- Turn ignition switch ON (engine stopped) and wait least 20 minutes.
CAUTION:
Never start engine during this procedure.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- 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
- Turn ignition switch ON.
- Erase DTC.
- 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:
Cylinder block
Exploded View
Cylinder block
Block heater (for Canada)
Top ring
Second ring
Oil ring
Piston
Piston pin
Snap ring
Connecting rod
Connecting rod bearing (upper)
Connecting rod bearing (lower)
Crankshaft key
Connecting rod cap
Connecting rod cap bolt
Main bearing ca ...
Strg 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 steering angle sensor for
damage, bend and loose connection
(unit side and connector side).
Is the inspection result ...
Bluetooth® Hands-Free Phone System without
Navigation System (Type B) (if so equipped)
WARNING
Use a phone after stopping your vehicle
in a safe location. If you have to use a
phone while driving, exercise extreme
caution at all times so full attention may
be given to vehicle operation.
If you are unable to devote full attention
to vehicle operation ...