lock LEXUS GS400 2000 Service Repair Manual

BE01R±06
I01351
Headlight Beam Level Control Actuator
Height Control SensorHeadlight Beam Level Control ECU
Driver Side Junction Block

ECU±IG Fuse

GAUGE Fuse
± BODY ELECTRICALHEADLIGHT BEAM LEVEL CONTROL SYSTEM
BE±49
2350 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
HEADLIGHT BEAM LEVEL CONTROL SYSTEM
LOCATION
The vehicle shown in this illustration is ºGS400º.
All components of ºGS300º other than the ones used for engine are same as ºGS400º.

BE0H2±08
I01352
Front Fog Lights
Combination Switch

Front Fog Light Switch Driver Side Junction Block

FOG Fuse

Fog Light Relay

Body ECU No.2
BE±52
± BODY ELECTRICALFOG LIGHT SYSTEM
2353 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
FOG LIGHT SYSTEM
LOCATION
The vehicle shown in this illustration is ºGS400º.
All components of ºGS300º other than the ones used for engine are same as ºGS400º.

BE0H0±06
I01353
Turn Signal LightsEngine Room No.1
Junction Block

TURN HAZ Fuse
Ignition Switch
Combination Switch

Turn Signal Switch
Hazard Warning Switch
Turn Signal Lights Turn Signal Lights
Driver Side Junction Block

GAUGE FuseCowl Side No.5
Junction Block

Turn Signal Flaher
± BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
BE±55
2356 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
TURN SIGNAL AND HAZARD WARNING SYSTEM
LOCATION
The vehicle shown in this illustration is ºGS400º.
All components of ºGS300º other than the ones used for engine are same as ºGS400º.

I04046
Wire Harness Side BE±58
± BODY ELECTRICALTURN SIGNAL AND HAZARD WARNING SYSTEM
2359 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
6. INSPECT TURN SIGNAL FLASHER CIRCUIT
Disconnect the connector from the combination switch and in-
spect the connector on the wire harness side, as shown.
Tester connectionConditionSpecified condition
2 ± GroundConstantContinuity
3 ± GroundConstantContinuity
5 ± GroundTurn signal switch RIGHT or OFFNo continuity
5 ± GroundTurn signal switch LEFTContinuity
6 ± GroundTurn signal switch LEFT or OFFNo continuity
6 ± GroundTurn signal switch RIGHTContinuity
7 ± GroundConstantContinuity
8 ± GroundHazard warning switch OFFNo continuity
8 ± GroundHazard warning switch ONContinuity
1 ± GroundIgnition switch LOCK or ACCNo voltage
1 ± GroundIgnition switch ONBattery positive voltage
4 ± GroundConstantBattery positive voltage
If circuit is as specified, replace the relay.
If circuit is not as specified, inspect the circuits connected to oth-
er parts.

BE0GY±05
I01354
Front Personal Light
Rear Personal Light
Door Courtesy Light
Licence Plate Light Luggage Compartment Light
Door Courtesy Lights
Luggage Compartment
Courtesy Switch
Door Courtesy Light
Vanity Light
Vanity Light
Rheostat Light Control
Glove Compartment
Door Courtesy Light
Glove Compartment
Door Courtesy Switch
Passenger Side Junction Block

DOME Fuse

Body ECU No.1
Driver Side Junction Block

Body ECU No.2
Luggage
Compartment
Key Lock and
Unlock Switch
Rear Personal Light Rear Personal Light
± BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE±59
2360 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INTERIOR LIGHT SYSTEM
LOCATION

BE0GW±08
I01355
Ignition Switch
Driver Side Junction Block

GAUGE Fuse
Back±up Lights
Park/Neutral Position Switch
± BODY ELECTRICALBACK±UP LIGHT SYSTEM
BE±67
2368 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
BACK±UP LIGHT SYSTEM
LOCATION

BE0H6±08
I01356
Stop Light Switch
Driver Side Junction Block

STOP Fuse
Light Failure Sensor
Stop Lights
± BODY ELECTRICALSTOP LIGHT SYSTEM
BE±69
2370 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
STOP LIGHT SYSTEM
LOCATION

BE023±07
I01357
Headlight Cleaner Relay Washer Tank

Headlight Cleaner Motor
Headlight Cleaner Switch
Headlight Cleaner Nozzle
Engine Room No.1
Junction Block

H±LP CLN H±Fuse
Ignition Switch
Driver Side Junction Block

WASHER Fuse
BE±72
± BODY ELECTRICALHEADLIGHT CLEANER SYSTEM
2373 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
HEADLIGHT CLEANER SYSTEM
LOCATION
The vehicle shown in this illustration is ºGS400º.
All components of ºGS300º other than the ones used for engine are same as ºGS400º.

BE0HN±07
I01358
Wiper Motor
Washer Tank

Washer Motor
Combination Switch

Wiper and Washer Switch
Driver Side Junction Block

WIPER Fuse

WASHER Fuse
Ignition Switch
BE±76
± BODY ELECTRICALWIPER AND WASHER SYSTEM
2377 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
WIPER AND WASHER SYSTEM
LOCATION
The vehicle shown in this illustration is ºGS400º.
All components of ºGS300º other than the ones used for engine are same as ºGS400º.

BE0HO±04
I04070
OFF
INT
LO
HIWasher ON
I04034
Wire Harness Side
2
17
I04071
54
± BODY ELECTRICALWIPER AND WASHER SYSTEM
BE±77
2378 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
1. INSPECT WIPER AND WASHER SWITCH CONTINU-
ITY
Switch positionTester connectionSpecified condition
OFF7 ± 16Continuity
INT7 ± 16Continuity
LO7 ± 17Continuity
HI8 ± 17Continuity
Washer OFF±No continuity
Washer ON2 ± 11Continuity
If continuity is not as specified, replace the switch.
2. INSPECT WIPER AND WASHER SWITCH CIRCUIT
Connector disconnected:
Disconnect the connector from the motor and inspect the con-
nector on the wire harness side, as shown.
Tester connectionConditionSpecified condition
2 ± GroundConstantContinuity
17 ± GroundIgnition switch LOCK or ACCNo voltage
17 ± GroundIgnition switch ONBattery positive voltage
If circuit is not as specified, inspect the circuits connected to oth-
er parts.
3. INSPECT WIPER MOTOR OPERATION
Low speed:
Connect the positive (+) lead from the battery to terminal 5 and
the negative (±) lead to terminal 4, check that the motor oper-
ates at low speed.
If operation is not as specified, replace the motor.