Lexus GS300/400 (2000 year). Manual — part 35
BE–2
–
BODY ELECTRICAL
BODY ELECTRICAL SYSTEM
2303
4.
MICRO COMPUTER PRESET DRIVING POSITION SYSTEM
Power Seat Control System
Power Mirror Control System
Power Tilt and Telescopic Steering System
If the battery negative (–) terminal is disconnected, the preset driving positions stored in memory are erased,
so be sure to note the positions and reset them after the battery terminal is reconnected.
5.
AUDIO SYSTEM
If the negative (–) terminal cable is disconnected from the battery, the preset AM, FM 1 and FM 2 sta-
tions stored in memory are erased, so be sure to note the stations and reset them after the negative
(–) terminal cable is reconnected to the battery.
If the negative (–) terminal cable is disconnected from the battery, the ”ANTI–THEFT SYSTEM” will
operate when the cable is reconnected, but the radio, tape player and CD player will not operate. Be
sure to input the correct ID number so that the radio, tape player and CD player can be operated again.
6.
MOBILE COMMUNICATION SYSTEM
If the vehicle is equipped with a mobile communication system, refer to precautions in the IN section.
BE0GU–05
I01361
Ignition Switch
Buckle Switch
Driver Side Junction Block
ECU–IG Fuse
Electric Tension Reducer Solenoid
BE–104
–
BODY ELECTRICAL
ELECTRIC TENSION REDUCER SYSTEM
2405
ELECTRIC TENSION REDUCER SYSTEM
LOCATION
BE0GV–04
I04110
(b)
(d)
Slowly
Retracted
Retracted
More Quickly
I04111
Wire Harness Side
–
BODY ELECTRICAL
ELECTRIC TENSION REDUCER SYSTEM
BE–105
2406
INSPECTION
1.
INSPECT TENSION REDUCER SOLENOID OPERA-
TION
(a)
Connect the positive (+) lead from the battery to terminal
1, and negative (–) lead to terminal 2.
(b)
Pull the belt upward and check that the belt is slowly re-
tracted when released.
(c)
Disconnect the lead from the battery.
(d)
Pull the belt upward and check that the belt is retracted
more quickly when released than in (b).
HINT:
Do not tilt the retractor.
If the operation is not as specified, replace the front seat outer
belt assembly.
2.
INSPECT TENSION REDUCER SOLENOID CIRCUIT
Disconnect the tension reducer solenoid connector and inspect
the connector on wire harness side, as shown.
Tester connection
Condition
Specified condition
2 – Ground
Buckle switch position
OFF (belt unfastened)
No continuity
2 – Ground
Buckle switch position
ON (belt fastened)
Continuity
1 – Ground
Ignition switch ACC or LOCK
No voltage
1 – Ground
Ignition switch ON
Battery positive voltage
If the circuit is specified, replace the front seat outer belt assem-
bly.
If the circuit is not as specified, inspect the circuits connected
to other parts.
I04107
1
2
4
OFF
ON
I04108
Wire Harness Side
BE–106
–
BODY ELECTRICAL
ELECTRIC TENSION REDUCER SYSTEM
2407
3.
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.
4.
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.
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