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CHASSIS ELECTRICAL – Ignition Switch 54-8 Inspection Procedure 3 While key hole illumination lamp is illuminated, ignition Probable cause While the key reminder warning buzzer is sounding, the The cause is probably a malfunction of the ignition switch input circuit, ETACS-ECU D Malfunction of fuse D Malfunction of connector D Malfunction of harness D Malfunction of ETACS-ECU D Malfunction of buzzer ECU OK Replace ETACS-ECU. <Vehicles with ETACS-ECU> II Pulse check Ignition switch input inspection -II buzzer sounds once when the ignition key is turned <Vehicles with buzzer ECU> NG Disconnect the junction block connector D Voltage between the terminal No. OK: System voltage NG Check the following connectors: Repair OK Check trouble symptom. Replace the buzzer ECU. Replace ETACS-ECU. Check the harness wire between the OK Junction block harness continuity check NG NOTE OK NG Replace NG |