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SYSTEM OUTLINE CURRENT ALWAYS FLOWS TO TERMINAL 1 OF THE INTEGRATION RELAY THROUGH DOME FUSE. 1. SEAT BELT WARNING SYSTEM WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM THE GAUGE FUSE TO TERMINAL 7 OF THE INTEGRATION RELAY. AT THE SAME TIME, CURRENT FLOWS TO TERMINAL 9 OF THE RELAY FROM THE GAUGE FUSE THROUGH THE SEAT BELT WARNING LIGHT. THIS CURRENT ACTIVATES THE INTEGRATION RELAY AND CURRENT FLOWING THROUGH THE WARNING LIGHT FLOWS FROM TERMINAL 9 OF THE RELAY → TERMINAL 10 → GROUND, CAUSING THE WARNING LIGHT TO LIGHT UP. A BUCKLE SW OFF SIGNAL IS INPUT TO TERMINAL 8 OF THE RELAY, THE CURRENT FLOWING TO TERMINAL 7 OF THE RELAY FLOWS THROUGH TERMINAL 10 → GROUND AND THE SEAT BELT WARNING BUZZER SOUNDS FOR APPROX. 4–8 SECONDS. HOWEVER, IF THE SEAT BELT IS PUT ON DURING THIS PERIOD (WHILE THE BUZZER IS SOUNDING), SIGNAL INPUT TO TERMINAL 8 OF RELAY STOPS AND THE CURRENT FLOW FROM TERMINAL 7 OF THE RELAY → TERMINAL 10 → GROUND IS CUT, CAUSING THE BUZZER TO STOP. 2. UNLOCK WARNING SYSTEM WITH THE IGNITION KEY INSERTED IN THE KEY CYLINDER (UNLOCK SW ON), THE IGNITION SW STILL OFF AND DRIVER'S DOOR OPENS (DOOR COURTESY SW ON), WHEN A SIGNAL IS INPUT TO TERMINAL 6 OF THE RELAY, THE INTEGRATION RELAY OPERATES. CURRENT FLOWS FROM TERMINAL 7 OF THE RELAY → TERMINAL 10 → GROUND AND UNLOCK WARNING BUZZER SOUNDS. SERVICE HINTS B 6 BUCKLE SW LH 1–2 : CLOSED WITH DRIVER'S SEAT BELT IN USE D10 DOOR COURTESY SW LH 3–2 : CLOSED WITH LH DOOR OPEN U 1 UNLOCK WARNING SW 2–1 : CLOSED WITH IGNITION KEY IN CYLINDER INTEGRATION RELAY 10–GROUND : ALWAYS CONTINUOUS 6–GROUND : CONTINUOUS WITH DRIVER'S DOOR OPEN 5–GROUND : CONTINUOUS WITH IGNITION KEY IN CYLINDER 8–GROUND : CONTINUOUS WITH DRIVER'S SEAT BELT IN USE 9–GROUND : 0 VOLTS WITH IGNITION SW ON AND BUCKLE SW OFF 1–GROUND : ALWAYS APPROX. 12 VOLTS : PARTS LOCATION CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE B 6 28 T 6 29 D10 30 U 1 29 : RELAY BLOCKS CODE SEE PAGE RELAY BLOCKS (RELAY BLOCK LOCATION) 2 22 R/B NO. 2 (ENGINE COMPARTMENT LEFT) : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION) 1B 20 ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1C 20 FLOOR NO. 2 WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1E 20 INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1I 1J 20 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL) 1K : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS CODE SEE PAGE JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION) IC2 36 FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL) : GROUND POINTS CODE SEE PAGE GROUND POINTS LOCATION IE 36 LEFT KICK PANEL BI 40 LEFT QUARTER PILLAR : SPLICE POINTS CODE SEE PAGE WIRE HARNESS WITH SPLICE POINTS CODE SEE PAGE WIRE HARNESS WITH SPLICE POINTS I7 38 FLOOR NO. 2 WIRE 195