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P0607 ECM EC-361 < COMPONENT DIAGNOSIS > [QR25DE FOR CALIFORNIA] C D E F G H I J K L M A EC N P O P0607 ECM Description INFOID:0000000004468252 CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul- tiplex communication line with high data communication speed and excellent error detection ability. Many elec- tronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. DTC Logic INFOID:0000000004349399 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check DTC. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000004349400 1. INSPECTION START With CONSULT-III 1. Turn ignition switch ON. 2. Select “SELF-DIAG RESULTS” mode with CONSULT-III. 3. Touch “ERASE”. 4. Perform DTC CONFIRMATION PROCEDURE. . 5. Check DTC. With GST 1. Turn ignition switch ON. 2. Select “Service $04” with GST. 3. Perform DTC CONFIRMATION PROCEDURE. . 4. Check DTC. 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 Require- . >> INSPECTION END DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0607 CAN communication bus When detecting error during the initial diagno- • ECM |