P0605

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 P0605.
NO - GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
1. Turn ignition switch ON and 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 P0605.
NO - GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and 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 P0605.
NO - INSPECTION END




Diagnosis Procedure
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase 1st trip DTC. Refer to "How to Erase DTC and 1st Trip DTC" in Diagnosis Description.
3. Perform DTC CONFIRMATION PROCEDURE. P0605.
Is the 1st trip DTC P0605 displayed again?
YES - GO TO 2.
NO - INSPECTION END
2.REPLACE ECM
1. Replace ECM.
2. Perform Additional Service When Replacing Control Unit.
- INSPECTION END