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SEC-42 < COMPONENT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] P1611 ID DISCORD, IMMU-ECM P1611 ID DISCORD, IMMU-ECM Description INFOID:0000000005197366 BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from start- ing if the ID is not registered. DTC Logic INFOID:0000000005197367 DTC DETECTION LOGIC NOTE: • If DTC P1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to . • If DTC B1611 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to . DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Check “Self diagnostic result” with CONSULT-III. YES >> Refer to . NO >> Inspection End. Diagnosis Procedure INFOID:0000000005197368 1. PERFORM INITIALIZATION Perform initialization with CONSULT-III. Re-register all mechanical keys. For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”. YES >> ID was unregistered. NO >> GO TO 2 2. PEPLACE BCM 1. Replace BCM. Refer to BCS-59, "Removal and Installation" . 2. Perform initialization with CONSULT-III. Re-register all mechanical keys. For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”. Can the system be initialized and can the engine be started with re-registered mechanical key? YES >> BCM is malfunctioning. NO >> GO TO 3 3. PEPLACE ECM 1. Replace ECM. Refer to Removal and Installation. 2. Perform initialization with CONSULT-III. Re-register all mechanical keys. For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual”. Can the system be initialized and can the engine be started with re-registered mechanical key? YES >> ECM is malfunctioning. NO >> GO TO 4 4. CHECK INTERMITTENT INCIDENT GI-38, "Intermittent Incident" DTC No. Trouble diagnosis name DTC detecting condition Possible cause P1611 ID DISCORD IMMU- The ID verification results between BCM and ECM • BCM |