2001 Lexus RX300 A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 2001-02
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Air Bag System Precautions -> Lexus -> Disarming
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

For Lexus LX 450 & LX 470 Information, Refer to "Land Cruiser" In "Toyota."

The Air Bag/Supplemental Restraint System (SRS) incorporates a back-up energy source that maintains sufficient deployment voltage for up to 90 seconds after the ignition is turned Off and the battery has been disconnected.

When the battery ground cable is disconnected, audio, clock and seat memory system will be canceled.

  • Note radio station settings...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Cooling System Capacities -> Lexus -> 1992-2002
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

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CLICK HERE TO GET FULL ACCESS TO 2001 Lexus RX300 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Lexus -> Component Replacement & Adjustment -> Water Pump, Replace -> ES 300 & RX 300 -> GS 300 & IS 300 -> GS 430, LS 430 & SC 430
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

When servicing LX 470, refer to Land Cruiser in for service procedures.

ES 300 & RX 300

  • Drain engine coolant.
  • On RX 300 models, remove outer cowl top panel, then the front upper suspension brace.
  • On all models, disconnect timing belt from water pump pulley.
  • Remove camshaft timing pulleys using tool No. SST 09960-01000, or equivalent.
  • Remove No. 2 idler pulley.
  • Disconnect engine wire from No. 3 timing belt cover, then remove cover.
  • Remove water pump, Fig. .
  • Reverse procedure to install.

GS 300 & IS 300

Refer to F...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Imported Cars & Light Trucks & Vans -> 2001-02 -> Evacuating System -> Using Charging Station -> Using Vacuum Pump
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

Using Vacuum Pump

Vacuum pumps suitable for removing air and moisture from A/C systems are commercially available. A specification for system pump down used here is 28-291/2 inches vacuum. This reading can be attained at or near sea level only. For each 1000 feet of altitude this operation is performed, the reading will be 1 inch vacuum higher. For example, at 5000 feet elevation, only 23-241/2 inches of vacuum can be obtained. The system refrigerant must be completely recovered before it can be evacuated. Damage to the vacuum pump will result if pressurized ...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus RX300 AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2001 Lexus RX300 cars and light trucks from 1990+

Lexus -> Diagnosis & Testing -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Actuator Check Mode Inspection -> Air Duct Sensor -> Air Inlet Servomotor Circuit -> Air Mix Damper Position Sensor -> Air Outlet Control Servomotor -> Ambient Temperature Sensor -> Clearing Diagnostic Trouble Codes -> Component Testing -> Cool Air Bypass Damper Position Sensor Circuit -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Electronic Control Unit -> Engine Coolant Temperature Sensor -> ES 300 -> Evaporator Temperature Sensor -> Exhaust Gas Sensor -> GS 300 & GS 430 -> GS 300, GS 430 & LS 430 -> GS 300, GS 430, IS 300 & RX 300 -> IS 300 -> LS 430 -> Room Temperature Sensor -> RX 300 -> SC 430 -> Solar Sensor
Vehicle: 2001 Lexus RX300 3.0 V6 GAS

When servicing LX 470, refer to Land Cruiser in for service procedures.

Accessing Diagnostic Trouble Codes

  • On ES 300, GS 300, GS 430, LS 430, RX 300 and SC 430 models, turn ignition switch to the ON position while pressing the air conditioner control AUTO button and R/F SW button simultaneously.
  • On IS 300 models, connect Lexus hand held tester or equivalent to DLC3 and follow prompts on tester screen.
  • On all models, inspect that all the indicators light up and go off at one second intervals four times in succession.
  • After the indicator in...

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