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 “SELF-DIAG RESULTS” mode with CONSULT-III.

3. Touch “ERASE”.

4. Perform DTC CONFIRMATION PROCEDURE.

See EC-359, "DTC Logic".

1. Turn ignition switch ON.


1. Turn ignition switch ON.

2. Select Service $04 with GST.

3. Perform DTC CONFIRMATION PROCEDURE.

See EC-359, "DTC Logic".

Is the 1st trip DTC P0605 displayed again? YES >> GO TO 2.

NO >> INSPECTION END

2.REPLACE ECM

1. Replace ECM.

2. Go to EC-27, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".

>> INSPECTION END

    P0603 ECM Power supply
    Description Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, ...

    P0607 ECM
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

    Other materials:

    Rear lower link & coil spring
    Removal and Installation Removal 1. Loosen the rear lower link bolt and nut from the suspension member side. 2. Support the rear lower link by placing a suitable jack under the knuckle. 3. Remove the rear lower link adjusting bolt and nut from the suspension member side using power tool. ...

    Oil seal
    Removal and Installation of Valve Oil Seal REMOVAL 1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping into cylinder. CAUTION: When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain. 2. Remove ...

    P0043, P0044 HO2S3 heater
    Description SYSTEM DESCRIPTION The ECM performs ON/OFF control of the heated oxygen sensor 3 heater corresponding to the engine speed, amount of intake air and engine coolant temperature. OPERATION DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC C ...