Lexus GS300/400 (2000 year). Service manual — part 97
I04105
Dark
(10k
Ω
)
Bright
(0
Ω
)
4
5
I01322
Battery
Ignition
Switch
Warning Light
2
1
Wire Harness Side
I01323
1
2
OFF
ON
I01328
Battery
Ignition
Switch
Warning Light
2
1
Wire Harness Side
I04107
1
2
4
OFF
ON
BE–102
–
BODY ELECTRICAL
COMBINATION METER
2403
30.
INSPECT LIGHT CONTROL RHEOSTAT OPERATION
Gradually, turn the rheostat knob from the bright side to dark
side and check that the resistance decreases from 10 k
Ω
to 0
Ω
between terminal 4 and 5. (Rheostat knob turned to clock-
wise)
If operation is not as specified, replace the rheostat light control.
31.
INSPECT WINDOW WASHER LEVEL WARNING
LIGHT
(a)
Disconnect the connector from the warning switch and
ground terminal on the wire harness side connector.
(b)
Engine running and check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire har-
ness.
32.
INSPECT WINDOW WASHER LEVEL WARNING
SWITCH CONTINUITY
(a)
Check that no continuity exists between the terminals with
the switch OFF (float up).
(b)
Check that continuity exists between the terminals with
the switch ON (float down).
If operation is not as specified, replace the switch or inspect
ground point.
33.
INSPECT SEAT BELT WARNING LIGHT
(a)
Disconnect the connector from the retractor switch and
ground terminal on the wire harness side connector.
(b)
Turn the ignition switch ON and check that the warning
light lights up.
If the warning light does not light up, inspect the bulb or wire har-
ness.
34.
INSPECT SEAT BELT BUCKLE SWITCH CONTINUITY
(a)
Check that continuity exists between the terminals 1 and
4 on the switch side connector with the switch ON (belt
fastened).
(b)
Check that continuity exists between the terminals 2 and
4 on the switch side connector with the switch OFF (belt
unfastened).
If operation is not as specified, replace the switch.
I04108
Wire Harness Side
I04109
Press
Sensing part
–
BODY ELECTRICAL
COMBINATION METER
BE–103
2404
35.
INSPECT SEAT BELT BUCKLE SWITCH CIRCUIT
Driver side: (See page
Passenger side: (See page
Disconnect the switch connector and inspect the connector on
wire harness side, as shown.
Tester connection
Condition
Specified condition
4 – Ground
Constant
Continuity
If continuity is not as specified, inspect the circuits connected
to other parts.
36.
Passenger seat only:
INSPECT SEAT BELT WARNING OCCUPANT DETEC-
TION SENSOR CONTINUITY
Check that continuity exists between the terminals 1 and 2
when pressing the sensing part.
If operation is not as specified, replace the sensor.
37.
Passenger seat only:
INSPECT SEAT BELT WARNING OCCUPANT DETEC-
TION SENSOR CIRCUIT (See page
BR0J9–01
–
BRAKE
BRAKE SYSTEM
BR–1
2109
BRAKE SYSTEM
GENERAL DESCRIPTION
Care must be taken to replace each part properly as it could affect the performance of the brake
system and result in a driving hazard. Replace the parts with parts of the same part number or
equivalent.
It is very important to keep parts and the area clean when repairing the brake system.
If the vehicle is equipped with a mobile communication system, refer to the precautions in the
IN section.
F01619
BR0JD–03
F01620
Adjusting Nut
Lock Nut
–
BRAKE
PARKING BRAKE PEDAL
BR–11
2119
PARKING BRAKE PEDAL
ON–VEHICLE INSPECTION
1.
CHECK PARKING BRAKE PEDAL TRAVEL
Depress the parking brake pedal all the way and count the num-
ber of clicks.
Parking brake lever travel at 294 N (30 kgf, 66.1 Ibf):
7 – 9 clicks
2.
IF NECESSARY, ADJUST PARKING BRAKE
HINT:
Before adjusting the parking brake, make sure that the rear
brake shoe clearance has been adjusted. For shoe clearance
adjustment see page
(a)
Loosen the lock nut and turn the adjusting nut until the
pedal travel is correct.
(b)
Tighten the lock nut.
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)
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