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CHASSIS ELECTRICAL – Ignition Switch and Immobilizer System 54-16 INSPECTION CHART FOR TROUBLE SYMPTOMS Trouble symptom Inspection procedure No. Reference page Communication with MUT- II is impossible. 1 54-16 ID code cannot be registered using the MUT- II . 2 54-17 Engine does not start (Cranking but no initial combustion). 3 54-17 Malfunction of the immobilizer-ECU power source and earth circuit 4 54-18 INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS Inspection Procedure 1 Communication with MUT- II is impossible. Probable cause The cause is probably that a malfunction of the diagnosis line or the immobilizer-ECU D Malfunction of the diagnosis line D Malfunction of harness or connector D Malfunction of the immobilizer-ECU Can the MUT- II communicate with the engine-ECU? NO Check the following connectors. NG Repair YES Check the immobilizer-ECU connector NG Repair OK Check trouble symptoms. NG Check the harness wire between immo- NG Repair OK Check the immobilizer-ECU power sup- OK Check trouble symptoms. NG Replace the immobilizer-ECU. OK |