1. EXCEPT FOR C0 AND C5 MODELS DIAGNOSIS START CONDITION: • Battery voltage is 10 V or more. • The remote engine starter was not used to start the engine. DTC DETECTING CONDITION: Reference code incompatibility between body integrated unit and ECM TROUBLE SYMPTOM: • Engine will not start. • The security indicator illuminates. CAUTION: When the body integrated unit is replaced, registration of the immobilizer system is required. For details, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. STEP | CHECK | YES | NO | 1.CONFIRM NUMBER OF REGISTERED IMMOBILIZER KEY. Confirm the number of registered immobilizer key. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is the number of registration 0- | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 2.PERFORM IMMOBILIZER SYSTEM REGISTRATION. Register the immobilizer system. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 3.PERFORM ECM REGISTRATION. Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 4.CHECK DTC. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Read the DTC of the ECM. Read Diagnostic Trouble Code (DTC) | Is DTC other than DTC B1571 displayed- | Perform the diagnosis according to DTC. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 5.PERFORM ECM REGISTRATION. 1) Replace the ECM. Engine Control Module (ECM) Engine Control Module (ECM) 2) Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Refer to “Correspondence table when registration is not possible” in the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. If the registration still does not work properly, replace the body integrated unit. Body Integrated Unit |
2. FOR C0 AND C5 MODELS DIAGNOSIS START CONDITION: • Battery voltage is 10 V or more. • The remote engine starter was not used to start the engine. DTC DETECTING CONDITION: Reference code incompatibility between immobilizer CM and ECM TROUBLE SYMPTOM: • Engine will not start. • The security indicator illuminates. CAUTION: When the immobilizer CM is replaced, registration of the immobilizer system is required. For details, refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. STEP | CHECK | YES | NO | 1.CONFIRM NUMBER OF REGISTERED IMMOBILIZER KEY. Confirm the number of registered immobilizer key. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is the number of registration 0- | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 2.PERFORM IMMOBILIZER SYSTEM REGISTRATION. Register the immobilizer system. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 3.PERFORM ECM REGISTRATION. Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 4.CHECK DTC. 1) Perform the Clear Memory Mode. Clear Memory Mode 2) Read the DTC of the ECM. Read Diagnostic Trouble Code (DTC) | Is DTC other than DTC B1571 displayed- | Perform the diagnosis according to DTC. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B1571 REFERENCE CODE INCOMPATIBILITY (IMMOBILIZER CM TO ECM) | 5.PERFORM ECM REGISTRATION. 1) Replace the ECM. Engine Control Module (ECM) Engine Control Module (ECM) 2) Perform ECM registration. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. | Is registration complete- | | Refer to “Correspondence table when registration is not possible” in the “REGISTRATION MANUAL FOR IMMOBILIZER” provided as a separate volume. If the registration still does not work properly, replace the immobilizer CM. Body Integrated Unit |
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