Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Lexus RX I

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS MOTOR RelayIn R/B No. 2.
ABS SOL RelayIn R/B No. 2.
ACC RelayIn instrument panel J/B.
A/F HEATER RelayIn R/B No. 2.
Auto Antenna Motor & RelayIn right side of luggage compartment. (Схема №7)
Blower Motor Control RelayNear blower motor.
Circuit Opening RelayIn R/B No. 1.
DRL No. 2 RelayIn R/B No. 3.
DRL No. 3 RelayIn R/B No. 3.
DRL No. 4 RelayIn R/B No. 3.
EFI RelayIn engine room J/B.
Engine Main RelayIn R/B No. 1.
FAN No. 1 RelayIn R/B No. 2.
FAN No. 2 RelayIn R/B No. 2.
FAN No. 3 RelayIn R/B No. 2.
Foglight RelayIn instrument panel J/B.
HEADLAMP RelayIn engine room J/B.
Heater RelayOn instrument panel J/B.
HORN RelayIn engine room J/B.
MG CLT RelayIn engine room J/B.
Mirror Heater RelayIn R/B No. 1.
RR DEF RelayIn engine room J/B.
STARTER RelayIn engine room J/B.
Taillight RelayIn instrument panel J/B.
Telephone Transceiver & Speaker RelayOn left side of luggage compartment. (Схема №7)
Turn Signal FlasherBehind left side of dash.
Wireless Door Lock BuzzerIn left front corner of engine compartment. (Схема №3)

BUZZERS, RELAYS & TIMERS

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Engine Room J/BOn left side of engine compartment. (Схема №1)
Fusible Link BlockIn engine room J/B. (Схема №1)
Instrument Panel J/BBehind left side of dash. (Схема №5)
J/B No. 3Behind upper center of dash. (Схема №5)
J/B No. 5Behind upper left side of dash. (Схема №5)
R/B No. 1Behind left side of dash. (Схема №5)
R/B No. 2In engine room J/B. (Схема №1)
R/B No. 3On front center of engine compartment, on radiator support. (Схема №1)

CIRCUIT PROTECTION DEVICES

CONTROL UNITS

ComponentComponent Location
A/C & Combination Meter ECUInside instrument cluster assembly. (Схема №6)
ABS ECU (W/O Traction)Behind right side of dash. (Схема №5)
ABS & Traction ECU (W/ Traction)Behind right side of dash. (Схема №5)
Body ECUBehind left side of dash. (Схема №5)
Center Air Bag Sensor AssemblyUnder center of dash, forward of center console. (Схема №5)
Cruise Control ECUBehind left side of dash. (Схема №5)
Driver Door ECUIn left front door. (Схема №7)
Engine Control ModuleBehind right side of dash. (Схема №5)
Front Passenger Door ECUIn right front door. (Схема №7)
Moon Roof Control ECUOn front center of moon roof. (Схема №7)
Power Seat ECUUnder driver's seat.
Rear Door ECU (Left)In left rear door. (Схема №7)
Rear Door ECU (Right)In right rear door. (Схема №7)
Shift Lock ECUUnder center console, beside shift lever. (Схема №5)
Wireless Door Lock ECUIn center of vehicle. (Схема №7)

CONTROL UNITS

MOTORS

ComponentComponent Location
ABS Actuator (W/O Traction)On right front of engine compartment. (Схема №2)
ABS & Traction Actuator (W/ Traction)On right front of engine compartment. (Схема №2)
A/C Condenser Fan MotorIn right front of engine compartment. (Схема №2)
Air Inlet Control Servo MotorBehind right side of dash.
Air Mix Control Servo MotorBehind right side of dash.
Air Vent Mode Control Servo MotorBehind right side of dash.
Auto Antenna Motor & RelayIn right side of luggage compartment. (Схема №7)
Blower MotorBehind right side of dash.
Front Wiper MotorOn left side of firewall. (Схема №2)
Fuel Pump & Fuel Sender (Main)On top of fuel tank.
Fuel Sender (Sub)Under center of vehicle.
Radiator Fan MotorIn left front of engine compartment. (Схема №3)
Rear Wiper MotorIn center of liftgate.
Washer MotorBottom of windshield washer reservoir. (Схема №3)

MOTORS

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Speed Sensor (Left Front)On left front wheel hub bracket. (Схема №2)
ABS Speed Sensor (Left Rear)On left rear wheel hub bracket.
ABS Speed Sensor (Right Front)On right front wheel hub bracket. (Схема №2)
ABS Speed Sensor (Right Rear)On right rear wheel hub bracket.
A/C Ambient Temperature SensorBehind left front grille. (Схема №2)
A/C Evaporator Temperature SensorBehind right side of dash.
A/C Magnetic Clutch & Lock SensorOn A/C compressor assembly. (Схема №2)
A/C Room Temperature SensorBehind left center of dash.
A/C Solar SensorBehind upper left side of dash.
Air Bag Sensor (Left Front)In left front corner of engine compartment. (Схема №2)
Air Bag Sensor (Right Front)In right front corner of engine compartment. (Схема №2)
Air Fuel Ratio Sensor (Bank 1 Sensor 1)In right exhaust manifold. (Схема №2)
Air Fuel Ratio Sensor (Bank 2 Sensor 1)In left exhaust manifold. (Схема №2)
Automatic Light Control SensorBehind upper left side of dash.
Center Air Bag Sensor AssemblyUnder center of dash, forward of center console. (Схема №5)
Counter Gear Speed SensorOn front side of engine. (Схема №2)
Crankshaft Position SensorOn front side of engine. (Схема №2)
Engine Coolant Temperature SensorOn top front of engine. (Схема №2)
Heated Oxygen Sensor (Bank 1 Sensor 2)In exhaust, rear of catalytic converter.
Knock Sensor No. 1On top right side of engine, under intake manifold. (Схема №3)
Knock Sensor No. 2On top left side of engine, under intake manifold. (Схема №3)
Light Failure SensorIn left side of luggage compartment. (Схема №7)
Mass Airflow (MAF) MeterNear air cleaner housing, on air duct. (Схема №3)
Seat Belt Warning Occupant Detection SensorUnder passenger's seat.
Side Air Bag Sensor (Left/Right)At base of respective "B" pillar.
Throttle Position SensorOn throttle body. (Схема №3)
Turbine Speed SensorOn transaxle housing. (Схема №3)
Vapor Pressure SensorUnder center rear of vehicle.
VSV (Vapor Pressure Sensor)Under center rear of vehicle.
VVT Sensor (Left)On left rear of engine. (Схема №3)
VVT Sensor (Right)On right rear of engine. (Схема №3)

SENDING UNITS & SENSORS

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
Camshaft Timing Oil Control Valve (Left)On top left rear of engine. (Схема №2)
Camshaft Timing Oil Control Valve (Right)On top right rear of engine. (Схема №2)
Cruise Control ActuatorOn left rear of engine. (Схема №2)
Electronically Controlled Transmission SolenoidIn transaxle. (Схема №2)
Idle Air Control ValveOn top right rear of engine. (Схема №3)
Tension Reducer Solenoid (Left/Right)At base of respective "B" pillar.
VSV (ACIS No. 1)On top center of engine. (Схема №3)
VSV (ACIS No. 2)On top center of engine. (Схема №3)
VSV (ACM)On right front center of engine compartment. (Схема №3)
VSV (Canister Closed Valve)In left rear of engine compartment. (Схема №2)
VSV (EVAP)On top center of engine. (Схема №3)

SOLENOIDS & SOLENOID VALVES

SWITCHES

ComponentComponent Location
A/C Triple-Pressure SwitchOn refrigerant line, near receiver-drier. (Схема №2)
A/T Indicator SwitchIntegral to park/neutral position switch. (Схема №3)
Back-Up Light SwitchIntegral to park/neutral position switch. (Схема №3)
Brake Fluid Level SwitchIn brake fluid reservoir. (Схема №2)
Buckle Switch (Left/Right)On respective seat belt buckle.
Engine Hood Courtesy SwitchOn front center of engine compartment. (Схема №2)
Oil Pressure SwitchOn left front corner of engine. (Схема №3)
Park/Neutral Position SwitchOn transaxle. (Схема №3)
Power Steering Oil Pressure SwitchIn right rear of engine compartment. (Схема №3)
Washer Level Warning SwitchIn right front corner of engine compartment. (Схема №3)
Water Temperature Switch No. 1In right front of engine compartment. (Схема №3)
Water Temperature Switch No. 2On top rear of engine. (Схема №3)

SWITCHES

MISCELLANEOUS

ComponentComponent Location
Data Link Connector (DLC) No. 1In left rear corner of engine compartment. (Схема №2)
Data Link Connector (DLC) No. 2Under left side of dash.
Data Link Connector (DLC) No. 3Under left side of dash.
Daytime Running Light ResistorOn left front of engine compartment. (Схема №2)
Diode (A/C)Behind upper left side of dash.
Diode (Rear Interior Light)In rear center of roof.
Ignition Coil & IgniterOn top of each respective cylinder.
Junction Connector No. 1In engine compartment, on right front fender. (Схема №3)
Junction Connector No. 2In left front of engine compartment, behind headlight. (Схема №3)
Junction Connectors No. 3 & 4Behind left kick panel.
Junction Connectors No. 5 & 7Behind upper left side of dash.
Junction Connectors No. 8 & 10Behind right side of dash.
Junction Connector No. 9Behind right kick panel.
Junction Connectors No. 11, 12 & 15In left side of luggage compartment.
Junction Connectors No. 13 & 14In left side of liftgate.
Junction Connectors No. 16 & 17Under driver's seat.
Junction Connector No. 18Under passenger's seat.
Noise Filter (DEF)In center of liftgate.
Noise Filter (Ignition System)In left rear of engine compartment, near air cleaner housing. (Схема №3)
Pretensioner (Left/Right)In base of respective "B" pillar.
Short ConnectorOn left front of engine compartment. (Схема №2)
Stereo Component AmplifierUnder rear seat. (Схема №7)
Telephone Transceiver & Speaker RelayOn left side of luggage compartment. (Схема №7)
Theft Deterrent HornIn right rear corner of engine compartment. (Схема №3)
Transponder Key AmplifierIn steering column. (Схема №5)

MISCELLANEOUS

CONNECTORS

ComponentComponent Location
BA1 (13 Pin)Base of left center pillar.
BB1 (13 Pin)Base of right center pillar.
BC1 (Black, 2 Pin)At left rear side of roof.
BC2 (11 Pin)At left rear side of roof.
BC3 (Blue, 6 Pin)At left rear side of roof.
BD1 (10 Pin)Above left rear axle housing.
BE1 (16 Pin)Under driver's seat.
BF1 (16 Pin)Under right front seat.
EA1 (Dark Gray, 4 Pin)At right cylinder head cover. (Схема №4)
EB1 (Gray, 4 Pin)Under engine compartment J/B. (Схема №4)
EC1 (Gray, 17 Pin)Under engine compartment J/B. (Схема №4)
IA1 (Dark Gray, 12 Pin)At left kick panel.
IA2 (Blue, 19 Pin)At left kick panel.
IB1 (10 Pin)At left kick panel.
IC1 (12 Pin)At left kick panel.
IC2 (Blue, 9 Pin)At left kick panel.
ID1 (8 Pin)At left side of dash.
IE1 (20 Pin)At left lower finish panel.
IE2 (10 Pin)At left lower finish panel.
IF1 (10 Pin)At right dash brace.
IG1 (3 Pin)At right dash brace.
IH1 (Gray, 13 Pin)Behind the glove box.
II1 (26 Pin)At right end of dash.
II2 (Yellow, 2 Pin)At right end of dash.
IJ1 (16 Pin)Behind the glove box.
IK1 (Orange, 20 Pin)Behind the glove box.
IK2 (11 Pin)Behind the glove box.
IL1 (12 Pin)At right kick panel.
IL2 (Blue, 8 Pin)At right kick panel.
IM1 (Blue, 20 Pin)At right kick panel.

CONNECTORS

GROUNDS

ComponentComponent Location
BIAbove the left rear axle housing. (Схема №7)
BJAt bottom of left center pillar. (Схема №7)
BKAt bottom of right center pillar. (Схема №7)
BLAt left rear quarterpanel. (Схема №7)
BMUnder the rear right seat. (Схема №7)
BNAt center of rear panel. (Схема №7)
EAAt right side of engine compartment. (Схема №4)
EBAt right of surge tank. (Схема №4)
ECAt rear of surge tank. (Схема №4)
EDAt right side of radiator support. (Схема №4)
IEAt left kick panel. (Схема №5)
IFBehind center of dash. (Схема №5)
IGAt right kick panel. (Схема №5)
IHAt right dash brace. (Схема №5)

GROUNDS