Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Lexus ES XV20

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS MOTOR RelayIn engine room relay block No. 3.
ABS SOL RelayIn engine room relay block No. 3.
A/F HTR RelayIn engine room relay block No. 2.
CIR OPN RelayIn engine room relay block.
Daytime Running Light Relay (Main)Under center of dash, forward of center console. (Схема №2)
Defogger RelayIn instrument panel junction block.
DRL No. 2 RelayIn engine room relay block No. 2.
DRL No. 3 RelayIn engine room relay block No. 2.
DRL No. 4 RelayIn engine room relay block No. 2.
EFI RelayIn engine room junction block.
Engine Main RelayIn engine room junction block.
Fan No. 1 RelayIn engine room junction block.
Fan No. 2 RelayIn engine room relay block.
Fan No. 3 RelayIn engine room relay block.
Front Foglight RelayBehind left side of dash. (Схема №2)
HEAD RelayIn engine room junction block.
HORN RelayIn engine room junction block.
HTR RelayIn engine room relay block.
Integration RelayIn instrument panel junction block. (Схема №2)
MG CLT RelayIn engine room relay block.
Moon Roof Control Switch & Moon Roof Control RelayAt front of moon roof opening. (Схема №3)
Power RelayIn instrument panel junction block.
ST RelayIn engine room junction block.
Taillight RelayIn instrument panel junction block.
Telephone Transceiver & Speaker RelayOn left side of luggage compartment. (Схема №3)
Turn Signal Flasher RelayBehind left side of dash. (Схема №2)
Wireless Door Lock BuzzerIn right front corner of engine compartment. (Схема №1)

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Room Junction BlockOn left side of engine compartment. (Схема №1)
Engine Room Relay BlockIn engine room junction block. (Схема №1)
Engine Room Relay Block No. 2On left front of engine compartment. (Схема №1)
Engine Room Relay Block No. 3In right front of engine compartment, on radiator upper support. (Схема №1)
Fusible Link BlockIn engine room junction block. (Схема №1)
Instrument Panel Junction BlockBehind left side of dash, above kick panel. (Схема №2)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
ABS ECUBehind right side of dash. (Схема №2)
ABS & Traction ECUBehind right side of dash. (Схема №2)
Absorber Control ECUBehind left side of dash. (Схема №2)
A/C Blower Motor Linear ControllerBehind left side of dash.
A/C Control AssemblyUnder center of dash, behind center console. (Схема №2)
Air Bag Sensor AssemblyUnder center of dash, forward of center console. (Схема №2)
Cruise Control ECUBehind left side of dash. (Схема №2)
Engine Control ModuleBehind right side of dash. (Схема №2)
Seat Position Control ECUUnder driver's seat.
Shift Lock Control ECUUnder center console, beside shift lever. (Схема №2)
Theft Deterrent ECUUnder center of dash, forward of center console. (Схема №2)
Wireless Door Lock ECUUnder center of dash, forward of center console. (Схема №2)

CONTROL UNITS

MOTORS

ComponentComponent Location
A/C Condenser Fan MotorIn right front of engine compartment. (Схема №1)
Air Inlet Control Servo MotorUnder right side of dash, behind glove compartment.
Air Mix Control Servo MotorBehind center of dash, forward of center console.
Air Vent Mode Control Servo MotorBehind dash, between steering column & center console.
Blower MotorBehind right side of dash, behind glove compartment.
Cruise Control ActuatorIn left side of engine compartment. (Схема №1)
Front Wiper MotorOn left side of firewall. (Схема №1)
Fuel Lid Opener MotorOn left side of luggage compartment.
Fuel PumpIn fuel tank.
Luggage Compartment Light Switch & Luggage Compartment Door Opener MotorOn center rear of deck lid.
Moon Roof Motor & Limit SwitchBeside moon roof control switch.
Radiator Fan MotorIn left front of engine compartment.
Washer MotorBottom of windshield washer reservoir.

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Speed Sensor (Front Left)On left front wheel hub bracket. (Схема №1)
ABS Speed Sensor (Front Right)On right front wheel hub bracket. (Схема №1)
ABS Speed Sensor (Rear Left)On left rear wheel hub bracket.
ABS Speed Sensor (Rear Right)On right rear wheel hub bracket.
A/C Ambient Temperature SensorBehind right front grille. (Схема №1)
A/C Magnetic Clutch & Lock SensorOn A/C compressor assembly. (Схема №1)
A/C Room Temperature SensorOn lower panel, right of steering column.
A/C Solar SensorOn top left side of dash.
A/C ThermistorBehind right side of dash.
Air Fuel Ratio Sensor (Bank 1 Sensor 1) (California)On top right side of engine. (Схема №1)
Air Fuel Ratio Sensor (Bank 2 Sensor 1) (California)On rear left side of engine. (Схема №1)
Automatic Light Control SensorOn top left side of dash.
Camshaft Position SensorOn left rear side of engine. (Схема №1)
Crankshaft Position SensorOn left front side of engine. (Схема №1)
EGR Gas Temperature SensorOn top right rear of engine. (Схема №1)
EGR Valve Position SensorOn top right side of engine. (Схема №1)
Engine Coolant Temperature SensorOn top front of engine. (Схема №1)
Fuel SenderIn fuel tank.
Heated Oxygen Sensor (Bank 1 Sensor 1) (Except California)In right exhaust manifold. (Схема №1)
Heated Oxygen Sensor (Bank 1 Sensor 2)In exhaust manifold, after TWC.
Heated Oxygen Sensor (Bank 2 Sensor 1) (Except California)In left exhaust manifold. (Схема №1)
Knock Sensor No. 1On top right side of engine, under intake manifold. (Схема №1)
Knock Sensor No. 2On top left side of engine, under intake manifold. (Схема №1)
Light Failure SensorIn left front corner of luggage compartment. (Схема №3)
Mass Airflow (MAF) MeterNear air cleaner housing, on air duct. (Схема №1)
Side Air Bag Sensor (Left/Right)At base of respective "B" pillar.
Steering SensorBehind left side of dash.
Throttle Position SensorOn throttle body. (Схема №1)
Vapor Pressure SensorOn left side of firewall. (Схема №1)
Vehicle Speed Sensor (Combination Meter)On transaxle housing. (Схема №1)
Vehicle Speed Sensor (Electronically Controlled Transmission)On transaxle housing. (Схема №1)
Water Temperature SenderOn top front of engine. (Схема №1)

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
ABS ActuatorIn right front of engine compartment. (Схема №1)
ABS & Traction ActuatorIn right front of engine compartment. (Схема №1)
Absorber Control Actuator (Front Left)In left rear corner of engine compartment. (Схема №1)
Absorber Control Actuator (Front Right)In right rear corner of engine compartment. (Схема №1)
Absorber Control Actuator (Rear Left)In left front corner of luggage compartment.
Absorber Control Actuator (Rear Right)In right front corner of luggage compartment.
A/C Magnetic Clutch & Lock SensorOn A/C compressor assembly. (Схема №1)
Electronically Controlled Transmission SolenoidIn transaxle. (Схема №1)
Idle Air Control ValveOn top right rear of engine. (Схема №1)
Key Interlock SolenoidIn ignition switch assembly.
VSV (EGR)On top rear of engine.
VSV (EVAP)On top front of engine.
VSV (Intake Air Control)On center top of engine.
VSV (Vapor Pressure Sensor)On left side of engine compartment, near intake air duct.

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Dual Pressure SwitchOn refrigerant line, near receiver-drier, integral to A/C triple pressure switch.
A/C Single Pressure SwitchOn refrigerant line, near receiver-drier, integral to A/C triple pressure switch.
A/C Triple Pressure SwitchOn refrigerant line, near receiver-drier. (Схема №1)
A/T Indicator Light SwitchIntegral to park/neutral position switch.
Back-Up Light SwitchIntegral to park/neutral position switch.
Brake Fluid Level Warning SwitchIn brake fluid reservoir. (Схема №1)
Buckle SwitchOn driver's side seat belt buckle.
Engine Oil Level Warning SwitchOn left front of engine. (Схема №1)
Luggage Compartment Light Switch & Luggage Compartment Door Opener MotorOn center rear of deck lid.
Moon Roof Control Switch & Moon Roof Control RelayAt front of moon roof opening. (Схема №3)
Moon Roof Motor & Limit SwitchBeside moon roof control switch.
Oil Pressure SwitchOn left front corner of engine. (Схема №1)
Parking Brake SwitchBottom of parking brake lever.
Park/Neutral Position SwitchOn transaxle. (Схема №1)
Power Steering Oil Pressure SwitchIn right rear of engine compartment. (Схема №1)
Stoplight SwitchOn bracket, above brake pedal.
Washer Level Warning SwitchIn right front corner of engine compartment.
Water Temperature Switch No. 1In left front of engine compartment. (Схема №1)
Water Temperature Switch No. 2On top left rear of engine. (Схема №1)

SWITCHES

MISCELLANEOUS

ComponentComponent Location
Blower ResistorBehind left side of dash.
Condenser (Interior Lights)At left front side of luggage compartment.
Data Link Connector (DLC) No. 1Near right front corner of engine. (Схема №1)
Data Link Connector (DLC) No. 2Under left side of dash.
Data Link Connector (DLC) No. 3Under left side of dash.
Diode (A/C)Near rear of engine room junction block. (Схема №1)
Diode (Courtesy)Behind right side of dash, above kick panel.
Diode (Dome)Behind left kick panel.
IgnitorIn left rear of engine compartment, near air intake duct. (Схема №1)
Noise Filter (Ignition)In left rear of engine compartment, near air cleaner housing. (Схема №1)
Stereo Component AmplifierBehind right side of dash. (Схема №2)
Telephone Transceiver & Speaker RelayOn left side of luggage compartment. (Схема №3)
Theft Deterrent HornIn right rear corner of engine compartment. (Схема №1)
Transponder Key AmplifierBehind left side of dash.

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
BQ1 (10 Pin)At left center pillar.
BR1 (10 Pin)At right center pillar.
BS1 (2 Pin)Under driver's seat.
BS2 (10 Pin)Under driver's seat.
BT1 (2 Pin)Under front passenger's seat.
EA1 (Dark Gray, 2 Pin)Behind left headlight. (Схема №4)
EB1 (Gray, 1 Pin)Under engine compartment junction block. (Схема №4)
EB2 (Gray, 8 Pin)Under engine compartment junction block.
EC1 (Dark Gray, 4 Pin)At left bank cylinder head. (Схема №4)
EU1 (1 Pin)Under engine compartment junction block.
ID1 (10 Pin)At left kick panel. (Схема №5)
ID2 (4 Pin)At left kick panel. (Схема №5)
IE1 (12 Pin)At left kick panel. (Схема №5)
IE2 (20 Pin)At left kick panel.
IF1 (11 Pin)At left kick panel.
IF2 (Blue, 8 Pin)At left kick panel.
IF3 (7 Pin)At left kick panel. (Схема №5)
IG1 (11 Pin)At right side of instrument panel junction block. (Схема №5)
IG2 (5 Pin)At right side of instrument panel junction block.
IH1 (6 Pin)Behind radio assembly. (Схема №5)
IJ1 (19 Pin)Under glove box. (Схема №5)
IK1 (4 Pin)Under glove box. (Схема №5)
IK2 (Blue, 11 Pin)Under glove box. (Схема №5)
IK3 (12 Pin)Under glove box. (Схема №5)
IL1 (7 Pin)Under glove box.
IM1 (5 Pin)At right kick panel.
IM2 (12 Pin)At right kick panel.
IM3 (13 Pin)At right kick panel.
IN1 (9 Pin)At right kick panel.
IO1 (7 Pin)At right kick panel.
IO2 (20 Pin)At right kick panel.
IP1 (11 Pin)At right kick panel.
IP2 (4 Pin)At right kick panel.

CONNECTORS

GROUNDS

ComponentComponent Location
BNBottom of left center pillar.
BOUnder right center pillar.
BPAt rear of luggage compartment.
BQAt left side of roof.
EAAt right radiator side support. (Схема №4)
EBAt right radiator side support. (Схема №4)
ECAt left radiator side support. (Схема №4)
EDAt right side of surge tank. (Схема №4)
EEAt rear side of surge tank. (Схема №4)
IFBehind dash, on left side of firewall. (Схема №5)
IGAt left kick panel. (Схема №5)
IHAt left kick panel. (Схема №5)
IIAt left dash brace. (Схема №5)
IJAt right dash brace. (Схема №5)
IKBehind dash, on right side of firewall. (Схема №5)
ILAt right kick panel. (Схема №5)
IMAt right kick panel. (Схема №5)

GROUNDS