GROUND DISTRIBUTION – Lexus ES 300h 2014 – SYSTEM WIRING DIAGRAMS

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (1 of 6) for Lexus ES 300h 2014:

• (halogen type) right headlight assembly
• (left front of engine compt) engine room j/b
• (left side of engine compt) engine room r/b
• (right rear of engine compt) engine room r/b 2
• (w/ dynamic radar cruise control) millimeter wave radar sensor assembly
• (w/ memory) igct relay
• A1 (behind left headlamp assembly)
• A10
• A14
• A17
• A18
• A19
• A2 (behind left headlamp assembly)
• A20
• A22
• A3 (behind right headlamp assembly)
• A38
• A39
• A4 (behind right headlamp assembly)
• A50
• A51
• A52
• A53
• Aa1
• Brake booster pump assembly
• Brake fluid level warning switch (brake master cylinder reservoir sub-assembly)
• Cooling fan ecu
• Ecm
• Efi main 2 relay
• Efi main relay
• Eng w/ pmp relay
• Engine hood courtesy switch (hood lock assembly)
• Exhaust gas sensor
• Fan relay
• Front wiper deicer (windshield glass)
• Gnd1
• Gnd2
• Halogen type
• Headlight leveling ecu assembly
• Hid type
• Ig 2 relay
• Integration relay
• Inv w/ pmp relay
• Inverter w/ converter assembly
• Inverter water pump assembly
• J/c a63
• Left fog light assembly
• Left front speed sensor shield
• Left headlight assembly
• Left rear speed sensor shield
• Level warning switch assembly
• Nca
• Right fog light assembly
• Right front speed sensor shield
• Right headlight assembly
• Right rear speed sensor shield
• Skid control ecu w/ actuator (brake booster w/ master cylinder assembly)
• Stop light switch assembly
• Strg htr relay
• Windshield wiper motor assembly
• Wireless door lock buzzer

Ground Distribution Wiring Diagram (2 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (2 of 6) for Lexus ES 300h 2014:

• Air fuel ratio sensor (bank 1 sensor 1) shield
• Blower motor w/ fan sub- assembly
• C1 (left side of dash)
• Compressor w/ motor assembly
• Crank position sensor shield
• D1 (left side of engine compt)
• D2 (on transaxle)
• D24
• D5 (top rear of engine)
• D60
• Da2
• Data link connector 3
• Ecm
• Engine water pump assembly
• Front power seat reclining position limit switch
• H114
• H115
• H2 (right side of dash)
• Ha2
• Hq1
• Hybrid battery junction block assembly
• Intake mass air flow meter sub- assembly shield
• J/c h114 & h115 (behind instrument cluster)
• J/c q28 (right "c" pillar)
• J/c w18
• J/c w19 & w20
• Knock control sensor (bank 1) shield
• L1 (front passenger's door)
• Lh1
• Nca
• Nq1
• Occupant detection ecu
• Power steering ecu assembly
• Q1 (base of right "c" pillar)
• Qw1
• Qw2
• R1 (right "c" pillar)
• Rear window defogger (back window glass)
• Right front power seat lumbar support switch
• Right front power seat switch
• Right front seat heater assembly (front seat cushion cover separate type)
• Right front seat inner belt assembly
• Right position control ecu assembly
• Right rear door lock assembly
• Right rear electrical key antenna
• Right rear power window regulator motor assembly
• Right rear power window regulator switch assembly
• Right seat cushion climate control blower assembly
• To ground h1 (diagram 3 of 6)
• Transmission control switch
• W/ climate control
• W/ memory
• W/o climate control
• W/o memory
• W19
• W20
• W23

Ground Distribution Wiring Diagram (3 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (3 of 6) for Lexus ES 300h 2014:

• (if equipped) auto high beam switch
• (if equipped) certification ecu
• (if equipped) retractable outer mirror switch
• (left end of dash) instrument panel j/b
• (w/ auto wiper system)
• (w/ memory) right outer mirror control ecu assembly
• (w/ memory) right seat memory switch
• (w/o memory) outer mirror switch assembly
• (w/o memory) right outer rear view mirror assembly
• (w/o navigation & w/ accessory meter assembly) front wiper deicer switch
• (w/o navigation & w/ accessory meter assembly) radio receiver assembly
• A25
• Acc 1 relay
• Acc 2 relay
• Air bag sensor assembly
• All dr lock relay
• Automatic light control shield
• Clock assembly
• Combination meter assembly
• D dr unlock relay
• Data link connector
• Door control switch assembly
• From ground h2 (diagram 2 of 6)
• Glove box light assembly
• H1 (center of dash)
• H107
• H108
• H14
• H24
• H36
• H42
• H57
• H76
• Headlight dimmer switch assembly
• Hj1
• Ht1
• Id code box
• Ig1 1 relay
• Ig1 2 relay
• Ig1 3
• Ig1 4 relay
• Integration control & panel assembly
• J/c h107 & h108 (behind instrument cluster)
• L10
• Left refreshing seat switch
• Left visor assembly
• Lh1
• Lh2
• Main body ecu
• Multiplex tilt & telescopic ecu
• Nca
• Option connector (glass breakage sensor)
• Option connector (remote engine starter)
• P & rr & rl dr unlock relay
• Power outlet socket assembly 1
• Power outlet socket assembly 2
• Relay
• Right front door lock assembly
• Right front electrical key antenna
• Right front power window regulator motor assembly
• Right front power window regulator switch assembly
• Right refreshing seat switch
• Right visor assembly
• Roof console box assembly
• Shift lock control ecu
• Sliding roof control ecu
• Spiral cable sub- assembly (steering column)
• Steering heater
• Steering lock actuator assembly
• Steering sensor
• Steering wheel heater control assembly
• T10
• T11
• To j/c u20 (diagram 5 of 6)
• Trip switch
• Trk open relay
• Vehicle approaching speaker controller
• Windshield wiper switch assembly

Ground Distribution Wiring Diagram (4 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (4 of 6) for Lexus ES 300h 2014:

• (w/ auto wiper system) windshield wiper relay assembly
• (w/ dynamic radar cruise control) driving support ecu assembly
• (w/ dynamic radar cruise control) steering pad switch assembly
• (w/ memory) junction terminal
• (w/ memory) left outer mirror control ecu assembly
• (w/ memory) left seat memory switch
• (w/o memory) left outer rear view mirror assembly
• A/c amplifier assembly
• A47
• A51
• A52
• Air bag sensor assembly
• Ap1
• Canister pump module (leak detection pump sub- assembly)
• Clearance warning ecu assembly
• Combination meter assembly
• Console box illumination light assembly
• Cruise control main switch
• D24
• D3 (rear of engine)
• Da2
• Ecm
• Electric power steering column sub- assembly
• H107
• H108
• H14
• H16
• H22
• H36
• H4 (left side of dash)
• H54
• H77
• Headlight dimmer switch assembly
• Hi1
• Hk1
• Hp1
• Ht1
• Ignition coil assembly 1
• Ignition coil assembly 2
• Ignition coil assembly 3
• Ignition coil assembly 4
• Instrument panel j/b (left end of dash)
• J/c h107 & h108 (behind instrument cluster)
• Lane departure warning camera
• Left & right steering pad switch
• Left front door lock assembly
• Left front electrical key antenna
• Left front power window regulator motor assembly
• Luggage door opening switch assembly
• M1 (driver's door)
• Main body ecu
• Mh1
• Mh2
• Multiplex network master switch assembly
• Multiplex tilt & telescopic ecu
• Pnk
• Power management control ecu
• Pre-collision system cancel switch (pre-crash system cancel switch assembly)
• Pu2
• Seat belt control ecu
• Spiral cable sub- assembly (steering column)
• Telltale light assembly
• Tire pressure warning reset switch
• To ground h3 (diagram 5 of 6)
• To j/c u20 (diagram 5 of 6)

Ground Distribution Wiring Diagram (5 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (5 of 6) for Lexus ES 300h 2014:

• (w/ back guide monitor & w/ rear view monitor) rear television camera assembly
• (w/ blind spot monitor system) junction terminal
• (w/o navigation w/ multi-media module display) accessory meter assembly
• (w/o navigation w/ multi-media module display) radio receiver assembly
• (w/o power trunk lid open & closer) luggage compartment door lock assembly
• Battery cooling blower assembly
• Battery voltage
• Combination switch assembly
• Dcm (telematics transceiver)
• Door control switch
• Door unlock switch sub- assembly
• Driver tire pressure monitor initiator
• From ground h4 (diagram 4 of 6)
• From multiplex network master switch assembly (diagram 4 of 6)
• From right front electrical key antenna (diagram 3 of 6)
• Fuel lid opener switch
• H101
• H107
• H108
• H22
• H3 (left side of dash)
• H5 (lower center of dash)
• H82
• H88
• H90
• H92
• H93
• H97
• H99
• Hq2
• Interlock switch
• J/c h107 & h108 (behind instrument cluster)
• J/c u20 (left rear of luggage compt)
• Left blind spot monitor sensor
• Left license plate light assembly
• Left rear combination light assembly
• Left rear light assembly
• Left steering pad switch
• Luggage closer motor assembly
• Luggage door opening cancel switch assembly
• Luggage electrical key switch
• Multi-media module display
• Multi-media module receiver assembly
• P10
• Power management control ecu
• Power outlet illumination
• Pu1
• Pu2
• Pg1
• Remote operation switch
• Right blind spot monitor sensor
• Right rear combination light assembly
• Right rear light assembly
• Sensor
• Spiral cable sub- assembly (steering column)
• Steering pad switch assembly
• Stereo component amplifier assembly
• To ground p2 (diagram 6 of 6)
• U1 (left rear of luggage compt)
• Uq1
• W/ navigation
• W/o navigation
• W/o navigation w/ multi- media module display

Ground Distribution Wiring Diagram (6 of 6) for Lexus ES 300h 2014

List of elements for Ground Distribution Wiring Diagram (6 of 6) for Lexus ES 300h 2014:

• (if equipped) rear control switch
• (if equipped) tire pressure warning ecu & receiver (door control & tire pressure monitoring system receiver assembly)
• Center stop light set
• From ground u1 (diagram 5 of 6)
• Fuel lid lock w/ motor assembly
• Fuel suction tube w/ pump & gauge assembly
• J/c x17 (under driver's seat)
• J/c x18 & x19 (under driver's seat)
• J/c k3 (left side of rear seat)
• Left front power seat lumbar support switch
• Left front power seat switch
• Left front seat heater assembly
• Left front seat inner belt assembly
• Left position control ecu assembly
• Left rear door lock assembly
• Left rear electrical key antenna
• Left rear power window regulator motor assembly
• Left rear power window regulator switch assembly
• Left rear seat heater assembly (rear seat cushion cover bench type)
• Left seat cushion climate control blower assembly
• Op1
• P1 (base of left "c" pillar)
• P2 (left "c" pillar)
• P29
• Px1
• Rear window shade assembly
• Right rear seat heater assembly (rear seat cushion cover bench type)
• Seat variable cushion switch
• W/ climate control seat
• W/ memory & seat variable cushion
• W/ memory & w/o seat variable cushion
• W/0 memory & climate control seat
• W/0 memory & w/ climate control seat
• W/o climate control seat
• X18
• X19
• Jk1
• Pk1