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DIAGNOSIS SYSTEM (SIREN CONTROL UNIT) SEC-51 < SYSTEM DESCRIPTION > [WITH INTELLIGENT KEY SYSTEM] C D E F G H I J L M A B SEC N O P >> INSPECTION END 7. CHECK MALFUNCTIONING CIRCUIT 3 Check the following circuit. • Circuit between siren control unit and BCM (communication signal circuit). Refer to >> INSPECTION END 8. ALARM HISTORY DISPLAY Check alarm history display. Does siren sound? YES (A history is found)>>Check the cause of the alarm activation. 9. SYSTEM DIAGNOSIS RESULT DISPLAY Check component diagnosis result display. Does siren sound? YES >> Replace malfunctioning component. NO >> GO TO 10. 10. OPERATION CHECK 1. Close hood and all doors. 2. Lock all doors using the Intelligent Key or door request switch. 3. Check that security indicator lamp blinks quickly for 20 seconds. 4. Check that security indicator lamp blinks slowly and siren does not sound. Refer to SECURITY SYSTEM : System Description" . >> INSPECTION END Number of siren sounds Cause of alarm activation 0 History is not found 1 Battery is disconnected and connected 2 Movement to enter into passenger room is detected 3 Communication between BCM and siren control unit is interrupted 4 Door or hood is opened 5 Operate ignition switch with an unregistered key 6 Communication between siren control unit and intruder sensor is interrupted Number of siren sounds Malfunctioning component 0 Malfunctioning component is not found 1 Siren control unit 2 Intruder sensor |