Toyota 1994 CAMRY, Repair Manual

Page: 171 / 307

171
CURRENT ALWAYS FLOWS TO TERMINAL 1 OF THE INTEGRATION RELAY THROUGH THE DOME FUSE.
1. SEAT BELT WARNING SYSTEM
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM THE GAUGE FUSE TO THE 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 SEAT BELT WARNING 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. AT THE
SAME AS THE WARNING LIGHT LIGHTS UP. A BUCKLE SW OFF SIGNAL IS INPUT TO TERMINAL 8 OF THE RELAY, THE CURRENT
FLOWING TO TERMINAL 1 OF THE RELAY FLOWS FROM TERMINAL 10
→
GROUND AND THE SEAT BELT WARNING BUZZER SOUNDS
FOR APPROX. 4–8 SECONDS. HOWEVER, IF SEAT BELT IS PUT ON DURING THIS PERIOD (WHILE THE BUZZER IS SOUNDING),
SIGNAL INPUT TO TERMINAL 8 OF THE RELAY STOPS AND THE CURRENT FLOW FROM TERMINAL 1 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 WARNING SW ON), THE IGNITION SW STILL OFF AND DOOR
OPEN (DOOR COURTESY SW ON), WHEN A SIGNAL IS INPUT TERMINAL 5 AND 6 OF THE RELAY, THE INTEGRATION RELAY
OPERATES, CURRENT FLOWS FROM TERMINAL 1 OF THE RELAY
→
TERMINAL 10
→
GROUND AND THE UNLOCK WARNING
BUZZER SOUNDS.
B 7, B 8
BUCKLE SW
1–2 : CLOSED WITH DRIVR’S LAP BELT IN USE
D12
DOOR COURTESY SW FRONT LH
1–GROUND : CLOSED WITH FRONT LH DOOR OPEN
INTEGRATION RELAY
10–GROUND : ALWAYS CONTINUITY
6–GROUND : CONTINUITY WITH FRONT LH DOOR OPEN
5–GROUND : CONTINUITY WITH IGNITION KEY IN CYLINDER
8–GROUND : CONTINUITY UNLESS DRIVER’S LAP BELT IN USE
9–GROUND : 0 VOLTS WITH IGNITION SW ON AND BUCKLE SW OFF
1–GROUND : ALWAYS APPROX. 12 VOLTS
7–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
I12
UNLOCK WARNING SW [IGNITION SW]
1–5 : CLOSED WITH IGNITION KEY IN CYLINDER
: PARTS LOCATION
CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE
B 7 32 D12 34 (S/D), 35 (C/P), 36 (W/G) J 5 36 (W/G)
B 8 32 I12 33
C 9 32 J 1 33
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B
1C
20 COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1G
20 COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1H 20 FLOOR NO. 1 WIRE J/B NO. 1 (INSTRUMENT PANEL LEFT)
1M 20 COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
2E 22 ENGINE ROOM MAIN WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE SEE PAGE JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IO1 42 FLOOR NO. 1 WIRE AND SEAT WIRE
: GROUND POINTS
CODE SEE PAGE GROUND POINTS LOCATION
IG 42 INSTRUMENT PANEL BRACE LH
46 (S/D)
BL 48 (C/P) UNDER THE LEFT QUARTER PILLAR BL
50 (W/G)
UNDER THE LEFT QUARTER PILLAR
SYSTEM OUTLINE
SERVICE HINTS