Engine Controls

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 DETECTION LOGIC







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 "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 it ON.
3.Check 1st trip DTC.
Is 1st trip DTC detected?
YES- Go to "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 it ON.
3.Repeat step 2 for 32 times.
4.Check 1st trip DTC.
Is 1st trip DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. INSPECTION START

1.Erase DTC.
2.Perform DTC CONFIRMATION PROCEDURE.
See "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 "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement" For Mexico.
- INSPECTION END