LS 400 V8-4.0L (1UZ-FE) (1990): Heating and Air Conditioning

Also for this vehicle: LS 430 V8-4.3L (3UZ-FE) (2002), LS 460 AWD V8-4.6L (1UR-FSE) (2009), LS 460 RWD V8-4.6L (1UR-FSE) (2010), LS 460 V8-4.6L (1UR-FSE) (2007), LS 600h V8-5.0L (2UR-FSE) Hybrid (2008).

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1. 01Relays and ModulesRelays and Modules: Sections
2. 02Sensors and SwitchesSensors and Switches: Sections
3. 03MaintenanceMaintenance: Sections
4. 04Engine, Cooling and ExhaustEngine, Cooling and Exhaust: Sections
5. 05Powertrain ManagementPowertrain Management: Sections
6. 06Transmission and DrivetrainTransmission and Drivetrain: Sections
7. 07Brakes and Traction ControlBrakes and Traction Control: Sections
8. 08Starting and ChargingStarting and Charging: Sections
9. 09Power and Ground DistributionPower and Ground Distribution: Sections
10. 10Steering and SuspensionSteering and Suspension: Sections
11. 11Heating and Air ConditioningHeating and Air Conditioning: Sections
    • Air Door, HVAC › Air Door Actuator / Motor, HVAC › Component Information › Locations
    • Ambient Temperature Sensor / Switch HVAC › Component Information › Technical Service Bulletins2 pages

      • Customer Interest for Ambient Temperature Sensor / Switch HVAC: › AC00196 › May › 96 › Ambient Temperature Display - Reads Minus 22 Degrees F
      • All Technical Service Bulletins for Ambient Temperature Sensor / Switch HVAC: › AC00196 › May › 96 › Ambient Temperature Display - Reads Minus 22 Degrees F
    • Blower Motor › Component Information › Service and Repair › Removal and Installation234567
    • Blower Motor Relay › Component Information › Locations › A/C Extra High Relay2
    • Blower Motor Resistor › Component Information › Locations
    • Cabin Air Filter › Component Information › Locations
    • Cabin Temperature Sensor / Switch › Component Information › Locations
    • Compressor HVAC › Compressor Clutch › Component Information › Specifications23456
    • Compressor Clutch Relay › Component Information › Locations2
    • Condenser HVAC › Component Information › Testing and Inspection23
    • Condenser Fan › Component Information › Diagrams › Diagram Information and Instructions23456
    • Condenser Fan Motor Relay, HVAC › Component Information › Locations › Cooling Fan Relay No. 22
    • Control Assembly, HVAC › Component Information › Technical Service Bulletins › A/C Control Assembly - Troubleshooting & Service Parts23456789
    • Control Module HVAC › Component Information › Description and Operation
    • Coolant Temperature Sensor / Switch HVAC › Component Information › Locations
    • Evaporator Case › Component Information › Service and Repair › Removal and Installation23456
    • Evaporator Core › Component Information › Service and Repair23
    • Evaporator Temperature Sensor / Switch › Component Information › Locations
    • Expansion Valve › Component Information › Technical Service Bulletins4 pages

      • Customer Interest for Expansion Valve: › HEAT002 › May › 91 › A/C - Expansion Valve & EPR Groan Noise2
      • All Technical Service Bulletins for Expansion Valve: › HEAT002 › May › 91 › A/C - Expansion Valve & EPR Groan Noise2
    • Heater Control Valve › Component Information › Adjustments23
    • Heater Core Case › Component Information › Service and Repair › Removal and Installation2345
    • Power Transistor HVAC › Component Information › Locations
    • Receiver Dryer › Component Information › Locations23
    • Refrigerant › Component Information › Specifications › Capacity Specifications2
    • Refrigerant Oil › Component Information3 pages

      • Technical Service Bulletins › A/C - System Oil Capacity
      • Specifications › Capacity Specifications2
    • Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations23
    • Relays and Modules - HVAC7 pages

      • Blower Motor Relay › Component Information › Locations › A/C Extra High Relay2
      • Compressor Clutch Relay › Component Information › Locations2
      • Condenser Fan Motor Relay, HVAC › Component Information › Locations › Cooling Fan Relay No. 22
      • Control Module HVAC › Component Information › Description and Operation
    • Sensors and Switches - HVAC10 pages

      • Ambient Temperature Sensor / Switch HVAC › Component Information › Technical Service Bulletins2 pages

        • Customer Interest for Ambient Temperature Sensor / Switch HVAC: › AC00196 › May › 96 › Ambient Temperature Display - Reads Minus 22 Degrees F
        • All Technical Service Bulletins for Ambient Temperature Sensor / Switch HVAC: › AC00196 › May › 96 › Ambient Temperature Display - Reads Minus 22 Degrees F
      • Cabin Temperature Sensor / Switch › Component Information › Locations
      • Coolant Temperature Sensor / Switch HVAC › Component Information › Locations
      • Evaporator Temperature Sensor / Switch › Component Information › Locations
      • Refrigerant Pressure Sensor / Switch, HVAC › Component Information › Locations23
      • Solar Sensor, HVAC › Component Information › Locations2
    • Service Port HVAC › Component Information › Locations
    • Solar Sensor, HVAC › Component Information › Locations2
12. 12Restraint SystemsRestraint Systems: Sections
13. 13Accessories and Optional EquipmentAccessories and Optional Equipment: Sections
14. 14Body and FrameBody and Frame: Sections
15. 15Cruise ControlCruise Control: Sections
16. 16Instrument Panel, Gauges and Warning IndicatorsInstrument Panel, Gauges and Warning Indicators: Sections
17. 17Lighting and HornsLighting and Horns: Sections
18. 18Windows and GlassWindows and Glass: Sections
19. 19Wiper and Washer SystemsWiper and Washer Systems: Sections