AIR CONDITIONING – Lexus LS 460 2009 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 5) for Lexus LS 460 2009

List of elements for Automatic A/C Wiring Diagram (1 of 5) for Lexus LS 460 2009:

70

• (left center of dash)
• (left end of dash)
• (left front of engine compartment) j/c a70
• (left front of engine) a/c compressor
• (left kick panel) l4
• (left side of dash) j/b 5
• (right kick panel)
• (right side of dash)
• +b1
• +b2
• A/c amplifier (center of dash)
• A/c fuse 10a
• A/c infrared rays sensor (integral to right rearview mirror assembly)
• A20
• A40
• A41
• A45
• A53
• A57
• B12
• Blw
• Brrb
• Brrg
• Burr
• C12
• Canh
• Canl
• Computer data lines system
• Driver side j/b
• Driver side j/b (left end of dash)
• Engine room j/b 1 (right rear of engine compartment)
• Fgnd
• Front blower motor
• Front room temperature sensor (left side of dash)
• Gnd
• Hot at all times
• Hot w/ p-ig1 relay energized
• Htr fuse 50a
• Ig+
• J/b 3 (right side of dash)
• J/c a62 (left front of engine compartment)
• J/c l100
• L4 (left kick panel)
• L76
• L77
• Left front duct sensor (left side of dash)
• Light control sensor (a/c solar sensor) (upper center of dash)
• Lin
• Lin1
• Lin3
• P-ig1-1 fuse 10a
• Passenger side j/b (right end of dash)
• Pnk
• Ptc1
• Ptc2
• Ptc3
• Red
• Rgnd
• Right front duct sensor (right side of dash)
• Sblw
• Sg-1
• Sg-2
• Sg-3
• Sol+
• Tfal
• Tfar
• Tsd
• Tsl
• Tsp
• Tsr

Automatic A/C Wiring Diagram (2 of 5) for Lexus LS 460 2009

List of elements for Automatic A/C Wiring Diagram (2 of 5) for Lexus LS 460 2009:

56

• (right front of engine compartment) a8
• (right side of rear parcel shelf) rear solar sensor
• A30
• A43
• A47
• A63
• A64
• Air outlet damper control servo motor (driver side front a/c rear air flow)
• Air outlet damper control servo motor (passenger side front a/c rear air flow)
• Blower motor
• Brrb
• Brrg
• Burr
• C11
• Cann
• Canp
• Computer data lines system
• Connector housing color (black)
• Connector housing color (natural)
• Connector housing color (red)
• D-ig1-3 fuse 10a
• Driver side j/b (left end of dash)
• Engine room j/b 1 (right rear of engine compartment)
• Engine room r/b 1 (right rear of engine compartment)
• H12
• Hot at all times
• Hot w/ d-ig1 relay energized
• J/b 3 (right side of dash)
• J/c a63 & a64 (right side of engine compartment)
• J/c s54 (left side of luggage compartment)
• L1 (right kick panel)
• L40
• L41
• Luggage room j/b (left side of luggage compartment)
• Ptc heater
• Ptc htr 1 fuse 25a
• Ptc htr 1 relay
• Ptc htr 2 fuse 50a
• Ptc htr 2 relay
• Ptc htr 3 fuse 25a
• Ptc htr 3 relay
• R/b 5 (right front of engine compartment)
• Rear a/c blower assembly (left front of luggage compartment)
• Rear diffuse servo motor
• Rear emission servo motor
• Rear junction block ecu (left side of luggage compartment)
• Rear magnetic
• Red
• Rmgv
• Rr a/c fuse 30a
• S62
• Smok
• Smoke sensor
• Tsb
• Tsd
• Valve

Automatic A/C Wiring Diagram (3 of 5) for Lexus LS 460 2009

List of elements for Automatic A/C Wiring Diagram (3 of 5) for Lexus LS 460 2009:

59

• (left rear door) left rear door control ecu
• (right side of engine compartment) j/c a63 & a64
• A/c pressure sensor (left front of engine compartment)
• A23
• A50
• A57
• A59
• A63
• A64
• A8 (right front of engine compartment)
• Ambient temperature sensor (left side of bumper fascia)
• B14
• B2 (right front of engine compartment)
• Bdr
• Cann
• Canp
• Computer data lines system
• Cpub
• D rr door fuse 25a
• D10
• D12
• Dgs
• Dgs1
• Dgse
• Driver side j/b (left end of dash)
• Exhaust gas sensor (front center of engine compartment)
• Fan1
• Front controller (right front of engine compartment)
• Gnd
• Hot at all times
• Hot w/ rr-ig1 relay energized
• J/c r41 (right side of luggage compartment)
• J/c s56 (left rear of luggage compartment)
• J/c s57 (left front of luggage compartment)
• J23
• J26
• Left rear room temperature sensor (left rear door)
• Luggage room j/b (left side of luggage compartment)
• O14
• O15
• P mpx-b fuse 10a
• P rr door fuse 25a
• Passenger side j/b (right end of dash)
• Prs
• Rcln
• Rear console switch (rear a/c switch)
• Red
• Right rear door control ecu (inside right rear door)
• Right rear room temperature sensor (right rear door)
• Rr mpx-b 2 fuse 5a
• Rr-ig1-2 fuse 10a
• S15
• S3 (under driver's seat)
• Sig
• Tme
• Trad
• Tre
• W/ ottoman
• W/o ottoman

Automatic A/C Wiring Diagram (4 of 5) for Lexus LS 460 2009

List of elements for Automatic A/C Wiring Diagram (4 of 5) for Lexus LS 460 2009:

35

• (right front of engine compartment) a8
• +b1
• A/c amplifier (center of dash)
• A/c blower assembly
• A/c evaporator temperature sensor
• A1 (under left headlight assembly)
• A63
• Bbus
• Bus
• Busg
• C29
• Connector housing color (green)
• Connector housing color (natural)
• Connector housing color (red)
• Cooling fan motor (main) (left side of radiator)
• Cooling fan motor (sub) (right side of radiator)
• E/g rm-ig1-1 fuse 10a
• E/g rm-ig1-2 fuse 10a
• Engine room j/b 1 (right rear of engine compartment)
• Engine room j/b 2 (right side of engine compartment)
• Engine room r/b 1 (right rear of engine compartment)
• Fan 1 fuse 80a
• Fan 1 relay
• Fan control ecu (center front of engine compartment)
• Hot at all times
• Hot in on or start
• Hot w/ ig1 relay energized
• J/c a63 & a64 (right side of engine a64 compartment)
• J/c a63 (right side of engine compartment)
• J/c a64 (right side of engine compartment)
• Left cool air bypass damper control servo motor
• Left front cool position air mix damper control servo motor
• Right cool air bypass damper control servo motor
• Right front cool position air mix damper control servo motor
• To a/c blower assembly (diagram 5 of 5)

Automatic A/C Wiring Diagram (5 of 5) for Lexus LS 460 2009

List of elements for Automatic A/C Wiring Diagram (5 of 5) for Lexus LS 460 2009:

33

• A/c blower assembly
• A13
• Air inlet damper control servo motor
• Air mix damper control servo motor (passenger side front a/c rear air flow)
• Air mix damper servo motor (driver side front a/c rear air flow)
• Air outlet damper control servo motor (driver side front a/c rear air flow)
• Canh
• Canl
• Computer data lines system
• Connector housing color (brown)
• Connector housing color (gray)
• Connector housing color (green)
• Connector housing color (natural)
• Connector housing color (red)
• Control servo motor
• Control servo motor left m/h bypass damper
• Damper control servo motor left foot/def position air outlet
• Engine control module (left front of engine compartment)
• Engine coolant temperature sensor (front left of engine)
• From a/c blower assembly a (diagram 4 of 5)
• Housing color (black) connector
• Housing color (brown) connector
• Housing color (green) connector
• Left front face position air outlet damper control servo motor
• Left hot position air mix damper control servo motor
• M/h bypass damper cool control servo motor
• Position air outlet damper right front face
• Red
• Right foot/def position air outlet damper control servo motor
• Right hot position air mix damper control servo motor
• Servo motor (front passenger air outlet damper control
• Side front a/c rear air flow)
• Thw