B7 Buckle Sw And Tension Reducer Lh; B8 Buckle Sw Rh And Seat Belt Warning Occupant Detection Sensor - Toyota MR2 2000 Manual

SYSTEM OUTLINE
Current is always applied from the ECU–B fuse to comb. meter TERMINAL (B) 1.
SEAT BELT WARNING SYSTEM
When the ignition SW is turned on, the current flows from the GAUGE Fuse to comb. meter TERMINAL (B) 10. At this time,
to determine whether the driver is wearing the seat belt or not, a signal is input from the buckle SW (Driver side) to comb.
meter TERMINAL (A) 12. If the driver is not wearing the seat belt, the seat belt warning light in the comb. meter flashes and
buzzer to inform the driver. Also, a sensor installed in the front passenger seat determines whether there is a passenger
seated, and whether the seat belt is worn or not. If the seat belt is not worn, the signal from the buckle SW (Passenger side)
and the sensor is input to the comb. meter TERMINAL (B) 15, and the current flows from comb. meter TERMINAL (A) 20 to
passenger seat belt warning light TERMINAL 9 to TERMINAL 4 to GROUND, and the light flashes to inform.
SERVICE HINTS

B7 BUCKLE SW AND TENSION REDUCER LH

1–2 : Open with driver's seat belt in use

B8 BUCKLE SW RH AND SEAT BELT WARNING OCCUPANT DETECTION SENSOR

1–2 : Open with passenger's seat belt in use
C10 (A), C11 (B) COMBINATION METER
(A)12, (B) 8–GROUND : Always continuity
(B)15–GROUND : Continuity with the passenger's door open
(B) 1–GROUND : Always approx. 12 volts
(B)10–GROUND : Approx. 12 volts with the ignition SW at ON position
T4 TENSION REDUCER SOLENOID LH
1–GROUND : Approx. 12 volts with the ignition SW at ON position
: PARTS LOCATION
Code See Page
A4 32
B7 32
B8 32
: RELAY BLOCKS
Code See Page
3 24
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
Code See Page
6B
26 26
6E
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
Code See Page
IJ1
40 40
IJ2
: GROUND POINTS
Code See Page
IE 38
IF 38
IH 38
BK 42
: SPLICE POINTS
Code See Page
I5 40
Code
C10 A
C11 B
J6
Relay Blocks (Relay Block Location)
R/B No.3 (Left Side of Instrument Panel)
Junction Block and Wire Harness (Connector Location)
Instrument Panel Wire and J/B No 6 (Instrument Panel Brace LH) Instrument Panel Wire and J/B No.6 (Instrument Panel Brace LH)
Joining Wire Harness and Wire Harness (Connector Location)
Floor Wire and Instrument Panel Wire (Right Kick Panel) Floor Wire and Instrument Panel Wire (Right Kick Panel)
Ground Points Location
Left Kick Panel
Instrument Panel Brace LH
Right Kick Panel
Under the Center Pillar RH
Wire Harness with Splice Points
Instrument Panel Wire
See Page
32
32
35
Code See Page
B6 42
2000 MR2 (EWD408U)
Code See Page
T4 35
Wire Harness with Splice Points
Floor Wire
97