Nissan Altima 2007-2012 Service Manual: P0605 ECM

Description

The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine.

DTC Logic


DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>> 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-360, "Diagnosis Procedure".

NO >> GO TO 3.

3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B

1. 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-360, "Diagnosis Procedure".

NO >> GO TO 4.

4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C

1. 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-360, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.INSPECTION START

1. Turn ignition switch ON.


1. Turn ignition switch ON.

2. Select

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