Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Lexus LS II

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS Motor RelayEngine room relay block.
ABS Solenoid RelayEngine room relay block.
A/C Magnetic Clutch RelayIn engine room junction block.
Air Suspension RelayIn relay block No. 6, left front corner of engine compartment.
Auto Antenna RelayOn left side of luggage compartment. (Схема №2)
Circuit Opening RelayIn engine room junction block. (Схема №3)
Daytime Running Lamps Relay (Canada)Behind right side of dash. (Схема №1)
Daytime Running Lamps Relay No. 2In engine room junction block.
Daytime Running Lamps Relays Nos. 3 & 4In right front of engine compartment, behind headlamp.
Defogger RelayIn engine room junction block.
Dimmer Relay (USA)In engine room junction block.
EFI Main RelayIn engine room junction block. (Схема №3)
Engine Main RelayIn engine room junction block.
Fog Lamp RelayIn instrument panel junction block.
Fuel Pump RelayIn engine room junction block. (Схема №3)
Headlamp Cleaner RelayIn left front corner of engine compartment, behind headlamp.
Headlamp RelayIn engine room junction block.
Heater RelayIn engine room junction block.
Horn RelayIn engine room junction block.
Ignition Main RelayIn instrument panel junction block.
Magnetic Clutch RelayIn engine room junction block.
Moon Roof Control RelayUnder headliner, left of moon roof control switch. (Схема №2)
Power Main RelayIn instrument panel junction block.
Power Shoulder Belt Anchor RelayBehind right side of dash. (Схема №1)
Radiator Fan Relays Nos. 1 & 2In relay block No. 6, left front corner of engine compartment.
Speaker RelayOn right side of luggage compartment. (Схема №2)
Starter RelayIn engine room junction block.
Taillamp Control RelayIn instrument panel junction block.
Theft Deterrent HornRight rear of engine compartment, on strut tower.
Turn Signal FlasherBehind left kick panel.

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Room Junction BlockOn left side of engine compartment.
Engine Room Relay BlockOn left side of engine compartment.
Engine Room Relay Block No. 6On left front of engine compartment, behind headlamp.
Fusible Link BlockOn left side of engine compartment.
Instrument Panel Junction BlockUnder left side of dash. (Схема №1)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS ECUBehind right side of dash. (Схема №1)
ABS & Traction ECUBehind right side of dash. (Схема №1)
A/C System ECUBehind center of console, integral of A/C control assembly.
Air Suspension ECU (USA)Behind right side of dash. (Схема №1)
Body ECUBehind left side of dash. (Схема №1)
Cruise Control ECUBehind right side of dash. (Схема №1)
Driver Door ECUIn driver's door. (Схема №2)
Engine Control Module (ECM)Behind right side of dash. (Схема №1)
Passenger Door ECU (Front)In front passenger's door. (Схема №2)
Power Seat ECUUnder driver's seat.
Progressive Power Steering ECUBehind left side of dash above steering column. (Схема №1)
Shift Lock ECUUnder center console, on base of gear selector. (Схема №1)
Tilt & Telescopic ECUBehind left side of dash, above steering column. (Схема №1)
Transmission ECUBehind right side of dash, integral of engine ECU.
Wireless Door Lock Control ECUBehind right side of dash. (Схема №1)

CONTROL UNITS

MOTORS

ComponentComponent Location
Air Inlet ServomotorBehind center of console, in heater unit. (Схема №4)
Air Mix Servomotors (2)Behind center of console, in heater unit. (Схема №4)
Air Outlet Servomotors (2)Behind center of console, in heater unit. (Схема №4)
Auto Antenna MotorIn left side of luggage compartment. (Схема №2)
Blower MotorBehind right side of dash. (Схема №4)
Cool Air Bypass Damper Control Servomotors (2)Behind center of console, in heater unit. (Схема №4)
Fuel PumpInside fuel tank. (Схема №3)
Headlamp Cleaner MotorIn left front corner of engine compartment, behind headlamp.
Luggage Compartment Door Opener MotorIn center of luggage compartment.
Moon Roof MotorUnder headliner, front side of moon roof.
Steering Column Telescopic MotorBehind upper left side of dash.
Sub-Throttle ActuatorOn throttle body.
Tilt MotorOn mid-section of steering column.
Washer MotorIn left front corner of engine compartment, behind headlamp.
Water Valve Control ServomotorBehind center of console, in heater unit. (Схема №4)
Wiper MotorIn left rear corner of engine compartment, near brake booster.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Speed SensorsOn front & rear wheel hubs.
Air Bag Sensor AssemblyBehind center console. (Схема №1)
Ambient Temperature SensorOn right front of vehicle, behind grille.
A/T Fluid Temperature SensorIn transmission.
Automatic Lamp Control SensorOn left defroster grille.
Brake Pad Wear SensorOn disc brake pad.
Camshaft Position Sensors (2)On each camshaft pulley. (Схема №3)
Crankshaft Position SensorOn front of crankshaft, next to oil pump. (Схема №3)
Duct Sensor (Driver Side)Left side of dash, air duct outlet. (Схема №4)
Duct Sensor (Front Passenger Side)Right side of dash, air duct outlet. (Схема №4)
EGR Gas Temperature SensorIn base of EGR valve. (Схема №3)
Electronic Modulated Air Suspension Height SensorsOn front & rear suspension arms.
Electronic Modulated Air Suspension Steering SensorBehind steering wheel.
Engine Coolant Temperature SensorOn top of intake manifold, below IAC valve. (Схема №3)
Evaporator Temperature SensorBehind right side of dash, in evaporator case. (Схема №4)
Fuel Gauge SenderInside fuel tank.
Heated Oxygen Sensor (Bank 1, Sensor 1)In left exhaust manifold. (Схема №3)
Heated Oxygen Sensor (Bank 1, Sensor 2)In left exhaust, after TWC. (Схема №3)
Heated Oxygen Sensor (Bank 2, Sensor 1)In right exhaust manifold. (Схема №3)
Heated Oxygen Sensor (Bank 2, Sensor 2)In right exhaust, after TWC. (Схема №3)
Intake Air Temperature SensorIntegral with mass air flow meter.
Knock Sensors (2)On left & right bank of engine block. (Схема №3)
Lamp Failure SensorIn left side of luggage compartment. (Схема №2)
Mass Air Flow MeterMounted on air cleaner housing. (Схема №3)
Overdrive Direct Clutch Speed SensorOn top of transmission.
Room Temperature SensorOn left side of console, right of steering column. (Схема №4)
Side Air Bag Sensor Assembly (Left)In driver's door. (Схема №2)
Side Air Bag Sensor Assembly (Right)In front passenger's door. (Схема №2)
Solar SensorOn top right of dash, near defogger vents. (Схема №4)
Steering Column Telescopic Position SensorBehind left side of dash, near telescopic motor.
Steering Column Tilt Position SensorOn steering column, under cover behind steering wheel.
Throttle Position (TP) Sensor (Main)On throttle body. (Схема №3)
Throttle Position (TP) Sensor (Sub)On throttle body. (Схема №3)
Vehicle Speed Sensor (VSS)On transmission output shaft housing. (Схема №3)

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
ABS ActuatorRight front corner of engine compartment.
ABS & Traction ActuatorRight front corner of engine compartment.
A/T Solenoids (4)In transmission valve body.
Cruise Control ActuatorRight rear corner of engine compartment.
EGR ValveTop of engine. (Схема №3)
EVAP Vacuum Switching Valve (VSV)On top of air intake manifold. (Схема №3)
Fuel Lid Opener SolenoidIn right side of luggage compartment.
Fuel Pressure Regulator Vacuum Switching Valve (VSV)Left top of engine. (Схема №3)
IAC ValveOn throttle body. (Схема №3)
Seat Belt Tension Reducer SolenoidIn seat belt retractor assembly.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Triple Pressure SwitchIn refrigerant line, near receiver.
Brake Fluid Level Warning SwitchIn master cylinder.
Buckle Switches (2)On driver side & front passenger side seat buckles.
ECT Pattern Select SwitchBottom of shift selector.
Engine Coolant Temperature SwitchOn bottom left corner of radiator.
Engine Oil Level Warning SwitchOn bottom of oil pan.
Ignition Key Unlock Warning SwitchIntegral with ignition switch.
Ignition SwitchSteering column. (Схема №3)
Low Oil Pressure SwitchOn left front side of engine block, behind oil filter.
Parking Brake SwitchOn bracket, above parking brake pedal.
Park/Neutral Position SwitchOn left side of transmission. (Схема №3)
Stop Lamp SwitchOn bracket, above brake pedal.
Washer Level Warning SwitchLeft front corner of engine compartment.

SWITCHES

MISCELLANEOUS

ComponentComponent Location
Air Conditioning AmplifierBehind center of dash. (Схема №4)
Blower ControllerBehind right side of dash, beside blower motor. (Схема №4)
Data Link Connector (DLC) No. 1On bracket, on top front of engine. (Схема №3)
Data Link Connectors (DLC) Nos. 2 & 3Under left side of dash. (Схема №3)
Electronic Modulated Air Suspension ActuatorsOn top of each shock absorber.
Fuel Pump ResistorOn left front inner fender panel. (Схема №3)
Igniter (Bank 1)Next to air cleaning housing. (Схема №3)
Igniter (Bank 2)Next to air cleaning housing. (Схема №3)
Ignition Coil No. 1In left front of engine compartment. (Схема №3)
Ignition Coil No. 2On front of engine. (Схема №3)
Stereo Component AmplifierUnder front passenger's seat. (Схема №1)
Telephone TransceiverOn right side of luggage compartment. (Схема №2)
Throttle Valve Motor DriverOn right side of dash. (Схема №1)
Transponder Key AmplifierBehind center of dash. (Схема №1)
Transponder Key ComputerBehind right side of dash. (Схема №1)

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
BR1 (15 Pin)Base of left center pillar.
BS1 (17 Pin)Base of right center pillar.
BT1 (13 Pin)Under left rear seat cushion.
BT2 (22 Pin)Under left rear seat cushion.
BT3 (Yellow, 4 Pin)Under left rear seat cushion.
BU1 (16 Pin)Under driver's seat.
BV1 (15 Pin)Under right front seat.
EA1 (Dark Gray, 2 Pin)At rear of left cylinder head cover.
EA2 (Dark Gray, 6 Pin)At rear of left cylinder head cover.
EB1 (25 Pin)Under engine compartment J/B.
EB2 (1 Pin)Under engine compartment J/B.
EC1 (Black, 12 Pin)At front of left fender.
ED1 (Black, 3 Pin)At rear of air intake chamber.
IE1 (14 Pin)At left kick panel.
IE2 (Orange, 11 Pin)At left kick panel.
IF1 (1 Pin)At left kick panel.
IF2 (13 Pin)At left kick panel.
IF3 (22 Pin)At left kick panel.
IF4 (26 Pin)At left kick panel.
IG1 (4 Pin)Near instrument panel J/B.
IH1 (3 Pin)At left side of blower unit.
II1 (21 Pin)At left side of blower unit.
II2 (19 Pin)At left side of blower unit.
IJ1 (25 Pin)At right side of dash.
IJ2 (19 Pin)At right side of dash.
IK1 (10 Pin)At right side of dash.
IL1 (14 Pin)At right kick panel.
IL2 (Orange, 11 Pin)At right kick panel.
IM1 (13 Pin)At right kick panel.
IM2 (22 Pin)At right kick panel.
IM3 (Yellow, 4 Pin)At right kick panel.
IN1 (19 Pin)Behind radio & player.
IN2 (16 Pin)Behind radio & player.
IN3 (Orange, 12 Pin)Behind radio & player.
IN4 (5 Pin)Behind radio & player.
IO1 (15 Pin)At left side of blower unit.
IP1 (17 Pin)At left side of blower unit.
IQ1 (12 Pin)At right side of shift lever.
IQ2 (13 Pin)At right side of shift lever.

CONNECTORS

GROUNDS

ComponentComponent Location
BKUnder right front seat.
BLUnder driver's seat.
BMAt bottom of right rear pillar.
BNAt right rear of trunk.
EAAt front of right fender. (Схема №3)
EBAt front of left fender. (Схема №3)
ECRear of right cylinder head. (Схема №3)
EDRear of left cylinder head. (Схема №3)
IEBehind dash, on left side of J/B. (Схема №1)
IFBehind instrument cluster. (Схема №1)
IGAt right dash brace. (Схема №1)
IHAt right side of dash. (Схема №1)
IIAt left dash brace. (Схема №1)
IJAt right dash brace. (Схема №1)

GROUNDS