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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2001 Toyota 4runner car and truck
repair procedures including Toyota engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
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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 -> Adjustments -> 4Runner -> Avalon -> Celica -> Corolla -> Echo -> MR2 -> RAV4 -> Sienna -> Tundra
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
Avalon
- Set air mix control knobs to MAX COOL position.
- Connect control cables to lever pins, Fig. , while ensuring control knobs are still in MAX COOL position.
- Inspect for proper operation and adjust as required.
Celica
- Move air inlet control lever to RECIRC.
- Turn temperature control dial to MAX COOL.
- Set mode control dial to DEF.
- Connect air inlet dampner control inner cable to lever pin, Fig. , then clamp the outer cable.
- Connect air mix dampner control inner cable to lever pin, Fig. , then clamp the outer cable. ...
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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+
Imported Cars & Light Trucks & Vans -> 2001-02 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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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+
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
- Ensure ignition switch is in Lock position.
- Reconnect battery ground cable.
- Wait at least 10 seconds before turning the ignition switch from the Lock position.
- Place ignitio...
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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 -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
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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 -> Manual Air Conditioning & Heater System Diagnosis & Testing -> A/C System Troubleshooting -> 4-Door -> 4Runner -> 5-Door -> A/C Indicator Does Not Light When Turning Mode Control Dial To DEF Position -> A/C System Inoperative -> Air Inlet Door Inoperative On Two-Way Flow Position When Performing In These Conditions: Air Inlet Selector: FRESH, Blower Switch: ON, Temperature Control Selector: MAX. WARM, Mode Selector: FOOT OR FOOT/DEF (Two-Way Flow Heater) -> Avalon, Camry, Camry Solara & Sienna -> Blinking A/C Indicator -> Brightness Does Not Change When Lamp Control Switch Is Turned -> Celica -> Compressor Operates Intermittently -> Cool Air Comes Out Only At High Engine RPM -> Corolla, Highlander & MR2 -> Echo (Standard) -> Engine Idle Up Does Not Occur Or Is Continuous -> Front A/C -> Insufficient Air Flow -> Insufficient Cooling -> Land Cruiser -> No Air Flow Mode -> No Air Flow Mode Control -> No Air Inlet Control -> No Air Inlet Control (Two-Way Flow Heater) -> No Air Temperature -> No Air Temperature Control -> No Air Temperature Control w/Rear Heater -> No Blower Control -> No Blower Operation -> No Blower Operation (Two-Way Flow Heater) -> No Blower Operation w/Rear Heater -> No Compressor Operation -> No Condenser Fan Operation -> No Condenser Fan Operation (High Speed) -> No Condenser Fan Operation (Low Speed) -> No Condenser Fan Speed Change -> No Cool Air Comes Out -> No Engine Idle-Up When A/C Switch Is On -> No Engine Idle-Up With A/C Switch On -> No Mode Control -> No Temperature Control -> No Temperature Control (Only Max Cool Or Max Warm) -> No Warm Air Comes Out -> No Warm Air Comes out w/Rear Heater -> Output Air Is Warmer Or Cooler Than Set Temperature Or Response Is Slow -> PTC Heater Inoperative When Performing In These Conditions: Engine Coolant Temp: 140° or below, Engine Speed: 650 RPM Or Above, Temperature Control Selector: MAX. COOL (PTC HEATER) -> RAV4 -> Rear A/C -> Rear A/C System Inoperative -> Sequoia, Tacoma & Tundra -> Sienna
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
Avalon, Camry, Camry Solara & Sienna
Refer to for troubleshooting procedures.
Celica
No Blower Operation
- Faulty HTR fuse.
- Faulty ECU-B or WARNING fuses.
- Faulty heater main relay.
- Faulty blower motor.
- Faulty blower resistor.
- Faulty speed control switch.
- Faulty wiring harness.
No Blower Control
- Faulty blower motor.
- Faulty blower resistor.
- Faulty speed control switch.
- Faulty wiring harness.
No Air Temperature
- Improper engine coolant volume. ...
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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 -> Compressor, Replace -> Avalon, Camry & Camry Solara -> Celica -> Corolla & Echo -> Highlander -> Installation -> Land Cruiser -> MR2 -> RAV4, Sequoia & Tundra -> Removal -> Sienna -> Tacoma & 4Runner
Vehicle: 2001 Toyota 4runner 3.4 V6 GAS
Avalon, Camry & Camry Solara
- Operate engine at idle with A/C on for at least ten minutes.
- Turn ignition Off.
- Recover refrigerant as outlined under .
- Mark running direction, then remove compressor drive belt.
- Remove battery and bracket if required.
- Disconnect refrigerant lines at compressor, then cap all openings. Discard O-rings.
- Disconnect alternator electrical connectors.
- Remove alternator mounting bolts, then the alternator.
- Disconnect compressor clutch lead wire from wiring harness.
- Remove compressor mounting nut...
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