Nissan Sentra Service Manual: P0606 ECM

Nissan Sentra Service Manual / Engine / Engine control system / Dtc/circuit diagnosis / P0606 ECM

DTC Logic

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detecting condition	Possible cause
P0606	CONTROL MODULE (Control module processor)	Malfunction in ECM processor.	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-1

Turn ignition switch ON (engine stopped) and wait at least 10 seconds.

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-349, "Diagnosis Procedure".

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE-2

Start engine.
Rev up the engine quickly to approximately 3,000 rpm under unloaded condition and completely release the accelerator pedal.
Let the engine idle and wait at least 10 seconds.
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-349, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.PERFORM DTC CONFIRMATION PROCEDURE

Turn ignition switch ON.
Erase DTC.
Perform DTC confirmation procedure for 3 times. Refer to EC-349, "DTC Logic".

Is the 1st trip DTC P0606 displayed again? YES >> Replace ECM. Refer to EC-485, "Removal and Installation".

NO >> INSPECTION END

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