Wiring Diagram Cluster

2008 Lexus LS 600h A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Matched Diagrams

48

Variant Used

LS 600h V8-5.0L (2UR-FSE) Hybrid

Total Vehicle Diagrams

1806

πŸ€– Stuck on this electrical issue?

Wiring diagrams can be a maze. Ask Manuel, our factory-trained AI mechanic, to analyze this circuit or troubleshoot your specific symptom.

Ask AI Mechanic βž”

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2008 Lexus LS 600h hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

2008 Lexus LS 600h A L L Diagnostic Trouble Codes ( DTC ) β†’

Stay in wiring

More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram β†’

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Compressor HVACGeneralOpen2.Connector Views > Compressor HVACGeneralOpen3.Connector Views > Connector Views By Connector Number > G-K > jk1 (Air Conditioning Harness And Heater Blower Wire (Radiator Upper Support LH))GeneralOpen4.Connector Views > Ambient Temperature Sensor / Switch HVACGeneralOpen5.Connector Views > Connector Views By Connector Number > A-C > A15 (Front Absorber Control Actuator LH)GeneralOpen6.Connector Views > Connector Views By Connector Number > A-C > A27 (Brake Actuator Assembly)GeneralOpen7.Connector Views > Connector Views By Connector Number > A-C > A36 (Accelerator Pedal Sensor Assembly)GeneralOpen8.Connector Views > Connector Views By Connector Number > A-C > A45 (Front Absorber Control Actuator RH)GeneralOpen9.Connector Views > Connector Views By Connector Number > A-C > A57 (Height Control Compressor Motor)GeneralOpen10.Connector Views > Connector Views By Connector Number > A-C > A73 (Front Active Stabilizer Control ECU Assembly)GeneralOpen11.Connector Views > Connector Views By Connector Number > A-C > A79 (Heater Water Pump Assembly)GeneralOpen12.Connector Views > Connector Views By Connector Number > D-F > e1 (Front Seat Climate Control Blower RH)GeneralOpen13.Connector Views > Connector Views By Connector Number > D-F > e21 (Front Seat Climate Controller Seat Back RH)GeneralOpen14.Connector Views > Connector Views By Connector Number > D-F > e32 (Front Seat Climate Control Blower LH)GeneralOpen15.Connector Views > Connector Views By Connector Number > D-F > e51 (Front Seat Climate Controller Seat Back LH)GeneralOpen16.Connector Views > Connector Views By Connector Number > D-F > f11 (Rear Seat Climate Fan Motor Seat Back RH)GeneralOpen17.Connector Views > Connector Views By Connector Number > D-F > f12 (Rear Seat Climate Controller Seat Back RH)GeneralOpen18.Connector Views > Connector Views By Connector Number > D-F > f32 (Rear Seat Climate Controller Seat Back LH)GeneralOpen19.Connector Views > Connector Views By Connector Number > D-F > fz1 (Rear Seat RH Wire And Heater Blower Wire (Under The Rear Seat RH))GeneralOpen20.Connector Views > Connector Views By Connector Number > D-F > fz2 (Rear Seat LH Wire And Heater Blower Wire (Under The Rear Seat LH))GeneralOpen21.Connector Views > Connector Views By Connector Number > Q-Z > Rz1 (Floor Wire And A/C Sub Wire (Upper Back Right))GeneralOpen22.Connector Views > Control Module HVACGeneralOpen23.Connector Views > Discharge Air Temperature Sensor / Switch, HVACGeneralOpen24.Connector Views > Housing Assembly HVACGeneralOpen25.Connector Views > Multiple Junction Connector > Heater Blower WireGeneralOpen26.Connector Views > Refrigerant Pressure Sensor / Switch, HVACGeneralOpen27.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen28.Antilock Brakes / Traction Control Systems β€” Connector ViewsBrakes and Traction ControlOpen29.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > Electronic Circuit Inspection ProcedureBrakes and Traction ControlOpen30.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > General InformationBrakes and Traction ControlOpen31.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot ECU Controlled Systems > How To Proceed With TroubleshootingBrakes and Traction ControlOpen32.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Continuity and Resistance CheckBrakes and Traction ControlOpen33.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Disconnection of Male and Female ConnectorsBrakes and Traction ControlOpen34.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Finding A Short CircuitBrakes and Traction ControlOpen35.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBrakes and Traction ControlOpen36.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > Voltage CheckBrakes and Traction ControlOpen37.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Abbreviations Used Within DiagramsBrakes and Traction ControlOpen38.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Symbols Used Within DiagramsBrakes and Traction ControlOpen39.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Wiring Color CodesBrakes and Traction ControlOpen40.Antilock Brakes / Traction Control Systems β€” Electrical DiagramsBrakes and Traction ControlOpen41.Antitheft and Alarm Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalAccessories and Optional EquipmentOpen42.Antitheft and Alarm Systems β€” Electrical Diagrams > Hybrid Vehicle Immobilizer, Push-Button Start, Steering Lock, Wireless Door Lock Control, Smart Access SystemAccessories and Optional EquipmentOpen43.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalAccessories and Optional EquipmentOpen44.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalAccessories and Optional EquipmentOpen45.Auxiliary Cabin Heater β€” DiagramHeating and Air ConditioningOpen46.Collision Avoidance and Parking Assist Systems β€” Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalAccessories and Optional EquipmentOpen47.Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalBrakes and Traction ControlOpen48.Diagnostic Aids > How to Troubleshoot Electrical Circuits > How to Replace TerminalHeating and Air ConditioningOpen

Parts & Tools for This Job

Common parts shoppers buy for 2008 Lexus LS 600h A/C & Heater.

As an Amazon Associate, AllOEMManuals earns from qualifying purchases. Prices and availability may vary.

Factory Service Tools

Turn This Into a Confident Next Step

Verify the likely fault first, then compare a quote before you approve expensive work.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.