GROUND DISTRIBUTION – Lexus RX 350 2009 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Lexus RX 350 2009

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus RX 350 2009:

61

• (if equipped) drl relay 3
• (if equipped) drl relay 4
• (in engine room r/b) j/b 2
• (left front of engine compt)
• (on left side of engine compt) engine room r/b
• (right side of engine compt) r/b 3
• (w/ adaptive front- lighting system) afs ecu
• (w/ adaptive front-lighting w/ air suspension system) left headlight
• (w/ adaptive front-lighting w/ air suspension system) right headlight
• (w/ air suspension system) air sus relay
• (w/ air suspension system) front height control solenoid valve
• (w/o adaptive front- lighting system) headlight beam level control ecu
• A/f relay
• A14
• Afs ecu
• Brake fluid level warning switch
• Brake pedal load sensing switch
• Center cluster integration panel
• Cooling fan ecu
• Ea (right side of engine compt)
• Eb (at right of surge tank)
• Ec (at rear of surge tank)
• Efi main relay
• Engine hood courtesy switch
• Fan main relay
• Front window deicer
• Front wiper motor
• H13
• Headlight cleaner control relay
• Heater relay
• Ig2 relay
• Ih (behind left side of dash)
• Il (behind center of dash)
• J24
• Junction connector
• Junction connector 1
• Junction connector 2
• Junction connector 3
• Junction connector 4
• Junction connector 5
• Junction connector 6
• Keyless buzzer
• Left front fog light
• Left front side marker light
• Left front turn signal light
• Left headlight
• Left parking light
• Mode monitor terminal output circuit
• Multi- display
• Overhead j/b shield
• R/b 3 (right side of engine compt)
• Radio & player
• Right front fog light
• Right front side marker light
• Right front turn signal light
• Right headlight
• Right parking light
• Skid control ecu w/ actuator
• Starter relay
• W/o drl
• Washer level warning switch

Ground Distribution Wiring Diagram (2 of 4) for Lexus RX 350 2009

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus RX 350 2009:

60

• (if equipped) navigation ecu
• (if equipped) rear seat entertainment display
• (passenger's seat lumbar support control) power seat control switch
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Bp (lower right "b" pillar)
• Bs (right rear of cargo area)
• C13
• Canister pump module
• Combination switch
• Crankshaft position sensor shield
• Data link connector 3
• Distance control ecu
• Ed (rear of engine)
• Ee (top of engine)
• Engine control module
• Front passenger's power seat control switch
• Front passenger's seat heater
• Front passenger's side buckle switch
• Front power outlet
• H11
• H23
• Heated oxygen sensor (bank 1 sensor 2) shield
• Heated oxygen sensor (bank 2 sensor 2) shield
• Height control compressor assembly
• Ignition coil & igniter 1
• Ignition coil & igniter 2
• Ignition coil & igniter 3
• Ignition coil & igniter 4
• Ignition coil & igniter 5
• Ignition coil & igniter 6
• J/b 3 (behind left side of dash)
• J20
• J21
• J44
• J47 a
• J48 a
• Junction connector
• Junction connector 10 (behind left side of dash)
• Junction connector 17 (behind right side of dash)
• Junction connector 20 & 21 (behind right side of dash)
• Junction connector 37 (at rear cargo area)
• Junction connector 42
• Junction connector 47 & 48 (in passenger's seat cushion)
• K11
• Knock sensor (bank 1) shield
• Knock sensor (bank 2) shield
• Laser sensor
• Nca
• Occupant classifi- cation ecu
• Rear height control solenoid valve
• Red
• Right rear door lock motor, door unlock detection switch
• Right rear power window control switch
• Right rear side marker light
• S16
• S36
• Stereo component amplifier
• Suspension control ecu
• Yaw rate sensor

Ground Distribution Wiring Diagram (3 of 4) for Lexus RX 350 2009

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus RX 350 2009:

74

• (center front of roof) overhead j/b
• (inverter) main switch
• (multi-mode shift lever type) transmission control switch
• (w/o memory) left remote control mirror
• (w/o memory) remote control mirror switch
• (w/o memory) right remote control mirror
• A/c amplifier
• A20
• A28
• Acc relay
• Access mode switch
• Afs off switch
• Air bag sensor assembly
• Auto wiper ecu
• B11
• B12
• Body ecu
• C10
• C11
• C12
• Cigarette lighter
• Combination meter
• Combination switch
• D10
• D20
• Data link connector
• E19
• E20
• Electronically controlled transmission pattern select switch
• F10
• F19
• F20
• Front interior light
• G10
• Gateway ecu
• Glove box light
• Height control off switch
• Height control switch
• Ig1 relay
• Ii (behind left kick panel)
• Ik (behind top left side of dash)
• Im (behind right kick panel)
• Instrument panel j/b (behind left side of dash)
• J/b 3 (behind left side of dash)
• J/b 4 (behind right side of dash)
• J14
• J15
• Junction connector 11 (behind left side of dash)
• Junction connector 13 (behind center of dash)
• Junction connector 14 & 15 (behind center of dash)
• Key interlock solenoid
• Left vanity light
• Moon roof control ecu
• Multi panel type moon roof
• Normal type moon roof
• Power back door opener/ closer switch
• Rain sensor
• Right vanity light
• S15
• S16
• Seat heater switch
• Shift lock ecu
• Steering angle sensor
• Suspension control ecu
• Tilt motor
• Tire pressure warning ecu
• Tire pressure warning reset switch
• Tire pressure warning select switch
• To ground ij (diagram 4 of 4)
• To junction connector 13 (diagram 4 of 4)
• Transponder key computer
• Turn signal flasher
• Unlock warning switch
• Vsc off switch

Ground Distribution Wiring Diagram (4 of 4) for Lexus RX 350 2009

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus RX 350 2009:

78

• (left rear side of cargo area) rear j/b
• (w/ air suspension system) height control compressor assembly
• (w/ memory) driving position memory switch
• (w/ memory) left remote control mirror ecu
• (w/ memory) power seat ecu (driver's seat)
• (w/ memory) right remote control mirror ecu
• (w/ power back door) back door lock assembly
• (w/o memory) power seat control switch (driver's seat)
• (w/o power back door) back door lock assembly
• A j45
• A j46
• B11
• B12
• Back door lock assembly
• Back door opener switch
• Blower motor controller
• Bn (at left "b" pillar)
• Bo (left rear of cargo area)
• Bq (behind left side of rear bumper)
• Br (left rear cargo area)
• Bt (behind right side of rear bumper)
• Buckle switch (driver's side)
• D j29
• D j33
• Door control receiver
• Driver's side door key lock & unlock switch, door lock motor & door unlock detection switch
• E j28
• From ground b im (diagram 3 of 4)
• From junction a connector 13 (diagram 3 of 4)
• Front passenger's side door lock motor & door unlock detection switch
• Fuel lid opener motor
• Fuel pump
• H24
• High mounted stop light
• Ij (under left top of dash)
• Inverter relay
• J/b ecu
• J32 e
• Junction connector 13 (behind center of dash)
• Junction connector 28 & 29 (in left front door)
• Junction connector 32 & 33 (in right front door)
• Junction connector 34 (left rear of vehicle, behind rear bumper)
• Junction connector 35 (left rear of vehicle, behind rear bumper)
• Junction connector 36
• Junction connector 40 (right rear of cargo area)
• Junction connector 45 & 46 (in driver's seat cushion)
• Left backup light
• Left license plate light
• Left rear combination light
• Left rear door lock motor & door unlock detection switch
• Left rear power window control switch
• Left rear side marker light
• Left stop light
• Left taillight
• Noise filter & rear window defogger
• P14
• P33
• Pneumatic tank solenoid valve
• Power back door closer switch
• Power back door ecu
• Power seat control switch (driver's seat lumbar support control)
• Power window master switch
• R26
• R27
• Rear power outlet
• Right backup light
• Right front door lock control switch
• Right front power window control switch
• Right license plate light
• Right rear combination light
• Right stop light
• Right taillight
• Seat heater (driver's seat)
• Tilt & telescopic ecu
• Trailer socket
• Voltage inverter
• W/ power back door
• W/o power back door