2001 Lexus LX470 A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 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 LX470 4.7 V8 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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CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2001 Lexus LX470 4.7 V8 GAS

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CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 cars and light trucks from 1990+

Lexus -> Electric Cooling Fans -> Precautions -> Air Bag System Disarming & Arming -> Battery Ground Cable -> Product Compatibility
Vehicle: 2001 Lexus LX470 4.7 V8 GAS

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

Air Bag System Disarming & Arming

Refer to and for air bag system disarming and arming procedures.

Battery Ground Cable

Prior to ser...

CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 cars and light trucks from 1990+

Lexus -> Diagnosis & Testing -> A/C System Troubleshooting -> A/C System Does Not Operate -> Diagnostic Trouble Code (DTC) Not Recorded, Set Mode Is Cleared When Ignition Switch Is Turned Off -> Engine Idle Up Does Not Occur, Or Is Continuous -> ES 300, GS 300, GS 430, IS 300, RX 300 & SC 430 -> Insufficient Air Flow -> LS 430 -> No Air Flow Mode Control -> No Air Inlet Control -> No Blower Control -> No Blower Operation -> No Cool Air Comes Out -> No Temperature Control (Only Maximum Cool Or Maximum Warm) -> No Warm Air Comes Out -> Output Air Is Warmer Or Colder Than Set Temperature Or Response Is Slow -> Seat Heater Does Not Operate
Vehicle: 2001 Lexus LX470 4.7 V8 GAS

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

A/C System Does Not Operate

  • Inspect ignition (IG) power source circuit.
  • Inspect A/C control assembly.

No Blower Operation

  • Inspect heater main relay circuit.
  • Inspect blower motor circuit.
  • Inspect engine coolant temperature sensor circuit.
  • Inspect ignition (IG) power source circuit.
  • Inspect A/C control assembly.

No Blower Control

  • Inspect blower motor circuit.
  • Inspect IG power source circuit.
  • Inspect heater mai...

CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2001 Lexus LX470 4.7 V8 GAS

[[table data]]

CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Lexus LX470 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 LX470 cars and light trucks from 1990+

Import Compressor Service -> Nippondenso Compressor -> Compressor Seal, Replace
Vehicle: 2001 Lexus LX470 4.7 V8 GAS

  • Remove felt oil seal, Fig. .
  • Remove snap ring using suitable snap ring pliers.
  • Remove key from shaft using suitable tools, then apply compressor oil to inner bore of compressor.
  • Remove sh...

CLICK HERE TO GET FULL ACCESS TO 2001 Lexus LX470 A/C & HEATER SERVICE PROCEDURES

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