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EC-350 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0605 ECM P0605 ECM DTC Logic INFOID:0000000009178257 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- ing the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A 1. Turn ignition switch ON. 2. Check 1st trip DTC. YES >> Proceed to . 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 it ON. 3. Check 1st trip DTC. YES >> Proceed to . 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 it ON. 3. Repeat step 2 for 32 times. 4. Check 1st trip DTC. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009178258 1. INSPECTION START 1. Turn ignition switch ON. 2. Erase DTC. 3. Perform DTC CONFIRMATION PROCEDURE. Is the 1st trip DTC P0605 displayed again? YES >> Replace ECM. Refer to EC-466, "Removal and Installation" DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0605 ECM A) ECM calculation function is malfunctioning. • ECM B) ECM EEP-ROM system is malfunctioning. C) ECM self shut-off function is malfunctioning. |