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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2002 Toyota Sienna car and truck
repair procedures including Toyota engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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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 2002 Toyota Sienna 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 2002 Toyota Sienna cars and light trucks from 1990+
Toyota -> Component Replacement & Adjustment -> Heater Core, Replace -> Avalon -> Camry -> Camry Solara -> Celica -> Corolla & Echo -> Front -> Highlander -> Land Cruiser -> MR2 -> RAV4 -> Rear -> Sequoia & Tundra -> Sienna -> Tacoma & 4Runner
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Avalon
- Remove HVAC unit as outlined under "Evaporator Core, Replace."
- Remove heater core from HVAC unit.
- Reverse procedure to install. Ensure heater hose clamps are securely installed, Fig. .
Camry
- Remove HVAC unit as outlined under "Evaporator Core, Replace."
- Remove heater core from HVAC unit.
- Reverse procedure to install. Fill and bleed cooling system as outlined under "Cooling System, Bleed."
Camry Solara
Refer to "Evaporator Core, Replace" for heater core replacement procedure.
Celica
- Remove coo...
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A/C & HEATER SERVICE PROCEDURES FOR 2002 Toyota Sienna 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 2002 Toyota Sienna cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 2001-02 -> Precautions -> A/C Refrigerant Oil -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Safety
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
Battery Ground Cable
Prior to service disconnect battery ground cable and isolate as required.
Product Compatibility
A/C Refrigerant Oil
Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data" for specifications.
Engine Coolant
Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.
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A/C & HEATER SERVICE PROCEDURES FOR 2002 Toyota Sienna 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 2002 Toyota Sienna 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: 2002 Toyota Sienna 3.0 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 2002 Toyota Sienna 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 2002 Toyota Sienna cars and light trucks from 1990+
Orifice Tube/Expansion Valve Locations -> Imported Cars & Light Trucks & Vans -> 2001-02
Vehicle: 2002 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2002 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2002 Toyota Sienna 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 2002 Toyota Sienna cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 2001-02 -> Evacuating System -> Using Charging Station -> Using Vacuum Pump
Vehicle: 2002 Toyota Sienna 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 ...
CLICK HERE TO GET FULL ACCESS TO 2002 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2002 Toyota Sienna 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 2002 Toyota Sienna cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 2002 Toyota Sienna 3.0 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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