GROUND DISTRIBUTION – Lexus RX 450h 2014 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 5) for Lexus RX 450h 2014

List of elements for Ground Distribution Wiring Diagram (1 of 5) for Lexus RX 450h 2014:

64

• (left rear of engine compt) engine room r/b 2
• (left side of engine compt) engine room j/b assembly
• (left side of engine compt) engine room r/b 3
• A1 (left front of engine compt)
• A10 (right front of engine compt)
• A100
• A17
• A19
• A2 (left front of engine compt)
• A20
• A23
• A5 (right front of engine compt)
• A6 (left end of dash)
• A7 (left end of dash)
• A79
• A83
• A84
• A89
• A9 (right front of engine compt)
• A90
• A95
• Ab1
• Bk/up lp relay
• Brake actuator assembly
• C17
• Diode
• Efi main relay
• Engine hood courtesy switch
• Engine room j/b assembly (left side of engine compt)
• Engine room r/b assembly (on left side of engine compt)
• Front wiper deicer (windshield glass)
• Heater water pump assembly
• Ig1 relay
• Ig2 relay
• Igct main relay
• Inverter assembly w/ converter
• Inverter water pump motor assembly
• J/c a58
• J/c a63
• Left fog light assembly
• Left headlight assembly
• Noise filter
• Oil motor pump assembly
• Oil pump relay
• P4 (left rear of luggage compt)
• P5 (right rear of luggage compt)
• Power back door unit assembly
• Rdi fan relay 1
• Rdi fan relay 2
• Rr def relay
• Skid control ecu assembly
• Smog ventilation sensor
• Stop light control relay assembly
• Stop light switch assembly
• Towing converter
• Trailer hitch
• W/ halogen
• W/ hid
• W/ led
• Windshield wiper motor assembly
• Wireless door lock buzzer
• Wp1
• Y2 (left side of back door)
• Yp3

Ground Distribution Wiring Diagram (2 of 5) for Lexus RX 450h 2014

List of elements for Ground Distribution Wiring Diagram (2 of 5) for Lexus RX 450h 2014:

74

• (left end of dash) instrument panel j/b
• (left side of engine compt) j/c a57 & d41
• A101
• A102
• A11 (right front of engine compt)
• A24
• A25
• A27
• A28
• A31
• A57
• A70
• A71
• A8 (left front of engine compt)
• A91
• A92
• A96
• Acc1 relay
• Acc2 relay
• Af8
• Air bag sensor assembly
• Ap3
• Blower w/ fan motor sub-assembly
• Brake fluid level warning switch (brake master cylinder reservoir sub-assembly)
• Canister pump module
• Compressor w/ motor assembly
• Cooling fan ecu 1
• Cooling fan ecu 2
• D dr unlock relay
• D1 (left rear of engine)
• D3 (top of engine)
• D41
• Da2
• Dlc3
• Door lock relay
• Dr unlock relay
• Ecm
• F10
• F2 (left end of dash)
• F29
• F4 (right side of dash)
• F5 (right kick panel)
• F57
• Front power window regulator switch assembly
• Gf3
• Headlight cleaner control relay
• Headlight swivel ecu assembly
• I1 (rear of front passenger's door)
• If2
• Ig1 relay 1
• Ig1 relay 2
• Ig1 relay 3
• Ig1 relay 4
• Ignition coil assembly
• Im1
• J/c a67
• Level warning switch assembly
• Multiplex tilt & telescopic ecu
• Power steering ecu assembly
• Right electrical key antenna
• Right fog light assembly
• Right front door w/ motor lock assembly
• Right front power window regulator motor assembly
• Right headlight assembly
• Right outer mirror control ecu assembly
• Seat belt control ecu
• Skid control ecu assembly
• Sliding roof control ecu
• Steering converter assembly
• Tg2
• W/ halogen
• W/ hid
• W/ led
• G1 (under right side of center floor console)

Ground Distribution Wiring Diagram (3 of 5) for Lexus RX 450h 2014

List of elements for Ground Distribution Wiring Diagram (3 of 5) for Lexus RX 450h 2014:

73

• (w/ memory) left front position control ecu & switch assembly
• (w/ rear seat entertainment) multi-display controller sub-assembly
• (w/o memory) left front power seat switch
• Battery cooling blower assembly center
• Battery voltage sensor
• Blind spot monitor sensor
• Door control receiver
• Fuel lid courtesy switch
• Fuel pump & fuel sender gauge assembly
• G52
• Hv battery junction block assembly
• Inter lock switch
• Inverter relay
• J/c a19 (under driver's seat)
• J/c g22 (center of dash)
• J/c o31
• J/c p38 (behind left rear quarterpanel)
• J/c p65 (behind left rear quarterpanel)
• J/c z23 (under front passenger's seat)
• Junction connector
• Ko1
• Left
• Left battery cooling blower assembly
• Left front power seat switch assembly
• Left front seat inner belt assembly
• Left rear combination light assembly
• Left rear door w/ motor lock assembly
• Left rear power window regulator motor assembly
• Left rear power window regulator switch assembly
• Left rear side marker light assembly
• Left seat back climate control blower
• Left seat cushion climate control blower assembly
• Left seat heater control sub- assembly
• Left seat variable cushion switch
• Lp1
• O2 (behind right rear quarterpanel)
• O3 (right "b" pillar)
• O35
• Occupant detection ecu
• Og1
• Oz1
• Oz2
• P2 (left "b" pillar)
• P20
• P21
• P25
• P26
• P3 (left "c" pillar)
• P56
• Pa1
• Pz1
• Rear power point socket assembly
• Right battery cooling blower assembly
• Right blind spot monitor sensor
• Right front power seat switch
• Right front power seat switch assembly
• Right front seat inner belt assembly
• Right rear combination light assembly
• Right rear door w/ motor lock assembly
• Right rear power window regulator motor assembly
• Right rear power window regulator switch assembly
• Right rear side marker light assembly
• Right seat back climate control blower
• Right seat cushion climate control blower assembly
• Right seat heater control sub-assembly
• Right seat variable cushion switch
• Stereo component amplifier assembly
• Vo1
• Voltage inverter assembly
• Wp1
• Jp1
• Z30
• Z34

Ground Distribution Wiring Diagram (4 of 5) for Lexus RX 450h 2014

List of elements for Ground Distribution Wiring Diagram (4 of 5) for Lexus RX 450h 2014:

78

• (if equipped) pre-collision system cancel switch assembly
• (if equipped) radio receiver assembly
• (w/ dynamic radar cruise control) driving support ecu assembly
• (w/ dynamic radar cruise control) millimeter wave radar sensor assembly
• A47
• Ab1
• Ac1
• Af2
• Air bag sensor assembly
• Back door control switch
• Back door lock assembly
• Back door opener switch assembly
• Center stop light assembly
• Combination meter assembly
• Cruise control main switch assembly
• F1 (left kick panel)
• F109
• F16
• F29
• F3 (under left side of center floor console)
• F40
• F97
• F98
• From j/c f65 & f66 (diagram 5 of 5)
• From j/c f94 (diagram 5 of 5)
• Front power point socket assembly 1
• G1 (under right side of center floor console)
• G35
• G36
• G40
• Id code box
• Instrument panel j/b (left end of dash)
• J/c f92
• J/c f93 (left side of dash)
• J/c y21 (center of back door)
• J/c y23
• J1 (rear of driver's door)
• Jf1
• Jn1
• Left electrical key antenna
• Left front door w/ motor lock assembly
• Left front power window regulator motor assembly
• Left license plate light assembly
• Left outer mirror control ecu assembly
• Left rear light assembly
• Main body ecu
• Multi-display assembly
• Multiplex network master switch assembly
• Navigation receiver assembly
• Nca
• Option connector (check connector)
• Option connector (glass breakage sensor ecu assembly)
• Power management control ecu
• Power point socket assembly 2
• Power switch
• Rear window defogger
• Rear wiper motor & bracket assembly
• Red
• Right rear light assembly
• Seat heater switch
• Seat memory switch
• Spiral cable sub- assembly (in steering column)
• Steering pad switch assembly
• Steering wheel heater control assembly
• Tire pressure warning ecu
• Transmission control switch
• Turn signal flasher assembly
• Uf1
• W/ navigation
• W/o navigation
• Windshield wiper switch assembly
• Y1 (left side of back door)
• Y16
• Y19
• Y20
• Yaw rate sensor assembly
• Yh1
• Z39

Ground Distribution Wiring Diagram (5 of 5) for Lexus RX 450h 2014

List of elements for Ground Distribution Wiring Diagram (5 of 5) for Lexus RX 450h 2014:

67

• (w/ 9-speaker sound system) heater control panel (radio receiver assembly)
• (w/ 9-speaker sound system) multi information display assembly
• A/c amplifier assembly
• Air fuel ratio sensor (bank 1 sensor 1) shield
• Air fuel ratio sensor (bank 2 sensor 1) shield
• Certification ecu assembly
• Clearance warning ecu assembly
• Combination meter assembly
• Console box illumination light assembly
• Crank position sensor shield
• D2 (top rear of engine)
• D4 (left front of engine compt)
• Dcm (telematics transceiver)
• Dlc3
• Door control switch assembly
• F14
• F15
• F38
• F50
• F58
• F65
• F66
• Fs2
• Fuel lid opener switch
• G20
• G21
• Gf3
• Glove box light assembly
• Gi1
• Hazard warning signal switch assembly
• Headlight dimmer switch assembly
• Hf2
• Intake mass air flow meter sub-assembly shield
• J/c f65 & f66 (top right center of dash)
• J/c f94 (right side of dash)
• J/c g20 & g21 (center of dash)
• J/c g22 (center of dash)
• Knock control sensor bank 1 & 2 shield
• Left visor assembly
• Light control rheostat
• Main body ecu
• Meter mirror sub- assembly
• Nca
• Option connector (remote engine starter)
• Overhead module
• Oxygen sensor (bank 1 sensor 2) shield
• Oxygen sensor (bank 2 sensor 2) shield
• Pattern select switch assembly
• Power back door main switch
• Power tilt motor
• Remote operation switch
• Right visor assembly
• Satellite switch set
• Shift lock control ecu sub-assembly
• Steering lock actuator assembly
• Steering sensor
• Tg2
• Throttle w/ motor body assembly shield
• Tire pressure warning reset switch
• To j/c f92 (diagram 4 of 5)
• To j/c f93 (diagram 4 of 5)
• Uf1
• Vehicle approaching speaker controller
• Vsc off switch
• W/ navigation
• W/o navigation
• Water temperature switch