2001 Toyota 4runner A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> Pressure Switch, Replace
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

  • Recover refrigerant as outlined under .
  • Disconnect pressure switch electrical connector.
  • Remove pressure switch using suitable wrenches to avoid damaging refrigerant lines. Discard O-ring.
  • Reverse procedure to install, noting the following:
    • Do not use old O-rings. Always install new ones lubricated with fresh ref...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Charging Valve Locations -> Imported Cars & Light Trucks & Vans -> 2001-02
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

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CLICK HERE TO GET FULL ACCESS TO 2001 Toyota 4runner A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Toyota -> Component Replacement & Adjustment -> Thermostat, Replace -> 1MZ-FE Engine -> 2AZ-FE Engine -> 2RZ-FE & 3RZ-FE Engines -> 5S-FE Engine -> 5VZ-FE Engine -> Avalon -> Camry & Camry Solara -> Celica -> Corolla -> Echo -> Highlander -> Land Cruiser, Sequoia & Tundra -> MR2 -> RAV4 -> Sienna -> Tacoma & 4Runner
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

Avalon

  • Drain coolant into a suitable container.
  • Remove engine appearance cover mounting nuts, then the cover.
  • Remove air cleaner hose and resonator assembly.
  • Disconnect heater hoses as required.
  • Disconnect ECT sensor electrical connectors.
  • Remove wiring harness protector mounting nut, disconnect clamp, then move protector away from cylinder head.
  • Remove water inlet pipe mounting nut at lefthand cylinder head, then separate pipe from head. Discard O-ring.
  • Remove three thermostat housing mounting nuts, then the housing and therm...

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

[[table data]]

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A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Import Compressor Service -> Nippondenso Compressor -> Compressor Seal, Replace
Vehicle: 2001 Toyota 4runner 3.4 V6 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 Toyota 4runner A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 2001 Toyota 4runner 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 Toyota 4runner cars and light trucks from 1990+

Toyota -> Automatic Temperature Control System Diagnosis & Testing -> Diagnosis & Testing, 4Runner -> A/C Control Display -> Accessing Diagnostic Trouble Codes -> Air Inlet Control Servo Motor -> Air Inlet Dampner Position Sensor -> Air Mix Control Servo Motor Inspection -> Air Mix Dampner Position Sensor -> Air Outlet Servo Motor -> Ambient Temperature Sensor -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Evaporator Temperature Sensor -> Less Scan Tool -> Room Temperature Sensor -> Scan Tool -> Solar Sensor
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS

For component inspection not covered, refer to .

Accessing Diagnostic Trouble Codes

Scan Tool

Connect a suitably programmed scan tool to Data Link Connector (DLC). Follow scan tool manufacturer's instructions to access DTCs.

A/C Control Display

Entering diagnosis inspection modes is possible by operating each A/C control switch as illustrated, Fig. .

  • Turn ignition On while pressing A/C control AUTO and R/F switches simultaneously, Fig. .
  • Ensure all indicators light and go off at one second intervals four ...

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