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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1999 Toyota Sienna 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
your 1999 Toyota Sienna automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Toyota -> Electric Cooling Fans -> Component Replacement -> 1998-99 -> 2000 -> Avalon -> Camry & Camry Solara -> Celica -> Cooling Fan No. 1 -> Cooling Fan No. 2 -> Cooling Fan/Motor -> Corolla & Echo -> No. 1 Cooling Fan -> No. 2 Cooling Fan -> Paseo & Tercel -> RAV4 -> Sienna -> Supra
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
Cooling Fan/Motor
Avalon
No. 1 Cooling Fan
- Remove battery and tray.
- Disconnect cruise control actuator from body.
- Remove No. 3 engine room relay block from radiator.
- Disconnect cruise control actuator wire from clamp on fan shroud.
- Disconnect cooling fan connector.
- Remove retaining bolts from cooling fan assembly.
- Remove fan blade attaching nut and fan.
- Remove three fan motor to assembly attaching screws and remove motor.
- Reverse procedure to install, noting the following:
-
...
CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Toyota -> Wiring Diagrams -> Air Conditioning & Heater
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 1998-2000 -> Pressure Gauge Indication
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
...
CLICK HERE TO GET FULL ACCESS TO 1999 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1999 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 1999 Toyota Sienna cars and light trucks from 1990+
Toyota -> Manual Air Conditioning & Heater System Diagnosis & Testing -> Diagnosis & Testing -> A/C Amplifier -> A/C Blower Control Switch -> A/C Switch -> Air Inlet Servomotor -> Air Mix Servomotor -> Air Outlet Servomotor -> Avalon -> Avalon, Camry, Celica, Land Cruiser, Sienna & Tundra -> Blower Resistor -> Camry -> Camry & Camry Solara -> Celica -> Compressor -> Corolla -> Corolla, Paseo, RAV4, 4Runner Tacoma, Tercel & T100 -> Echo -> Except Supra -> Expansion Valve -> Land Cruiser -> Mode Control Switch -> Paseo & Tercel -> RAV4 -> Refrigerant System -> Relays -> Tacoma, T100 & 4Runner -> Thermistor -> Tundra
Vehicle: 1999 Toyota Sienna 3.0 V6 GAS
Refrigerant System
To diagnose system, connect manifold gauge set to high and low sides of system, then observe gauge readings with engine operating at 1500 RPM, blower speed on high and temperature control set at Max Cool. Refer to charts, Figs. through , for system diagnosis.
High side reading should be 200-228 psi, while low side reading should be 21-35 psi at ambient temperature of 86-95°F.
A/C Switch
Corolla, Paseo, RAV4, 4Runner Tacoma, Tercel & T100
- Disconnect switch electrical connector, then remove switch. Using an ohmmeter, c...
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