GROUND DISTRIBUTION – Lexus RX 400h 2008 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Lexus RX 400h 2008

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Lexus RX 400h 2008:

• (inverter) water pump motor
• (left front of engine compt)
• (left side of engine compt) j/b 2
• (left side of engine compt) r/b 3
• (left side of engine compt) r/b 4
• (on left side of engine compt) engine room r/b
• (transaxle) oil pump motor
• (w/ navigation system) multi-display
• (w/o navigation system) center cluster integration panel
• A/f relay
• A14
• Afs ecu
• Back up lamp relay
• Brake actuator
• Brake fluid level warning switch
• Drl relay 3
• Drl relay 4
• Ea (at right side of engine compt)
• Eb (at right of surge tank)
• Ec (at rear of surge tank)
• Ef (left front of engine compt)
• Engine hood courtesy switch
• Ey (left rear of engine compt)
• Ez (left front of engine compt)
• Front window deicer
• Front wiper motor
• H13
• Headlight beam level control ecu
• Headlight cleaner control relay
• Heater relay
• Ig1 b relay
• Igct relay
• Ih (at left side of dash)
• Il (center of dash)
• Inverter relay
• Junction connector 11 (behind left side of dash)
• Junction connector 2
• Junction connector 3
• Junction connector 4
• Junction connector 5
• Junction connector 6
• Junction connector 9 (behind left side of dash)
• Keyless buzzer
• Left cooling fan ecu
• Left front fog light
• Left front side marker light
• Left front turn signal light
• Left headlight
• Left parking light
• Oil pump relay
• Overhead j/b & multi-display shield
• P41
• Power steering ecu
• Pressure switch
• Radio & player
• Rdi fan relay 1
• Rdi fan relay 2
• Right cooling fan ecu
• Right front fog light
• Right front side marker light
• Right front turn signal light
• Right headlight
• Right parking light
• S38
• S39
• S40
• S41
• Skid control ecu
• W/ adaptive front-lighting system w/o adaptive front-lighting system w/ daytime running light w/o daytime running light
• Water pump motor (a/c)

Ground Distribution Wiring Diagram (2 of 4) for Lexus RX 400h 2008

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Lexus RX 400h 2008:

• (left rear side of cargo area) rear j/b
• (w/ memory) left remote control mirror ecu
• (w/ memory) power seat control switch & ecu (driver's seat)
• (w/ memory) right remote control mirror ecu
• (w/ power back door) power back door closer switch
• (w/o memory) power seat control switch (driver's seat)
• B11
• B12
• B28
• Back door lock assembly
• Back door opener switch
• Back door w/ power
• Battery voltage sensor
• 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)
• Center battery blower motor
• Door control receiver
• Driver's side door key lock & unlock switch, door lock motor & door unlock detection switch
• Driving position memory switch
• From ground b im (diagram 4 of 4)
• From junction a connector 13 (diagram 4 of 4)
• Front passenger's side door lock motor & door unlock detection switch
• Fuel lid courtesy switch
• Fuel pump
• High mounted stop light
• Ij (left top of dash)
• J/b ecu
• J28
• J29
• J32
• J33
• J45
• J46
• Junction connector 13 (center of dash)
• Junction connector 28 & 29 (left kick panel)
• Junction connector 32 & 33 (right passenger's door)
• Junction connector 34 (left rear cargo area)
• Junction connector 35 (left rear cargo area)
• Junction connector 36
• Junction connector 40 (at rear cargo area)
• Junction connector 45 & 46 (in driver's seat bottom)
• Junction connector 62 (left rear cargo area)
• Left backup light
• Left battery blower motor
• 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 taillight
• Noise filter & rear window defogger
• P14
• P33
• P46
• Power back door ecu
• Power seat control switch (driver's seat lumbar support control)
• Power steering converter
• Power window master switch
• R27
• R28
• Rear power outlet
• Right backup light
• Right battery blower motor
• Right front door lock control switch
• Right front power window control switch
• Right license plate light
• Right rear combination light
• Right taillight
• S48
• Seat heater (driver's seat)
• System main relay
• Tilt & telescopic ecu
• Trailer socket
• Voltage inverter
• W/ power back door
• W/o power back door

Ground Distribution Wiring Diagram (3 of 4) for Lexus RX 400h 2008

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Lexus RX 400h 2008:

• (if equipped) rear seat entertainment display
• (w/ navigation system) navigation ecu
• Accel position sensor shield
• Bd (behind right quarterpanel)
• Bp (lower right "b" pillar)
• Bs (right rear of cargo area)
• C13
• C18
• Canister pump module
• Combination switch
• Compressor motor
• Crankshaft position sensor shield
• Data link connector 3
• Distance control ecu
• Ed (front of engine)
• Ee (rear of engine)
• Front passenger's seat heater
• Front passenger's side buckle switch
• Front passenger's side power seat control switch
• Front power outlet
• Gnd
• H11
• H31
• H32
• H33
• Heated oxygen sensor (bank 2 sensor 2) shield
• Hybrid vehicle control ecu
• Hybrid vehicle control ecu shield
• 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 (left side of dash)
• J20
• J21
• J47
• J48
• Junction connector 10 (behind left side of dash)
• Junction connector 17 (right side of dash)
• Junction connector 20 & 21 (right side of dash)
• Junction connector 37 (at rear cargo area)
• Junction connector 42
• Junction connector 47 & 48 (under passenger's seat)
• Junction connector 60 (right side of dash)
• K11
• Laser sensor
• Left vvt sensor shield
• Mass air flow meter shield
• Nca
• Occupant classifi- cation ecu
• Power seat control switch (front passenger's seat lumbar support control)
• R14
• Red
• Right rear door lock motor, door unlock detection switch
• Right rear power window control switch
• Right rear side marker light
• Right vvt sensor shield
• S51
• Sel1
• Skid control ecu shield
• Stereo component amplifier
• Throttle position sensor & motor shield
• Yaw rate sensor
• Yaw rate sensor shield

Ground Distribution Wiring Diagram (4 of 4) for Lexus RX 400h 2008

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Lexus RX 400h 2008:

• (front center of roof) overhead j/b
• (inverter) main switch
• (left side of dash) instrument panel j/b
• (w/o memory) left remote control mirror
• (w/o memory) right remote control mirror
• A/c amplifier
• A20
• A28
• Acc relay
• Afs off switch
• Air bag sensor assembly
• Auto wiper ecu
• B11
• B12
• Ba (right rear cargo area)
• Bb (center of rear seat)
• Body ecu
• C10
• C11
• C12
• Cigarette lighter
• Combination meter
• Combination switch
• Compressor motor & inverter shield
• Data link connector
• E10
• E20
• Eu (center rear of engine compt)
• Ev (left rear of engine)
• Ew (left rear of engine)
• Ex (left rear of engine compt)
• F10
• F19
• F20
• Front interior light
• Fuel lid opener switch
• G10
• Gateway ecu
• Glove box light
• H30
• Hybrid vehicle control ecu
• Ig1 relay
• Ii (at left kick panel)
• Ik (top left side of dash)
• Im (at right kick panel)
• Instrument panel j/b (left side of dash)
• J/b 3 (left side of dash)
• J/b 4 (right side of dash)
• J14
• J15
• Junction connector 13 (center of dash)
• Junction connector 14 & 15 (center of dash)
• Key interlock solenoid
• Left vanity light
• Moon roof control ecu
• Nca
• Power back door opener/ closer switch
• Power steering motor shield
• Rain sensor
• Remote control mirror switch
• Right vanity light
• Seat heater switch
• Shift lock ecu
• Steering angle sensor
• System main relay shield
• Tilt motor
• Tire pressure warning ecu
• Tire pressure warning reset switch
• Tire pressure warning select switch
• To ground ij (diagram 2 of 4)
• To junction connector 13 (diagram 2 of 4)
• Transponder key computer
• Turn signal flasher
• Unlock warning switch
• W/o driver position memory
• Washer level warning switch