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Ground Distribution — Lexus RX 400h 2008 Wiring Diagram

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

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