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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1998 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 1998 Toyota Sienna automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Toyota -> Manual Air Conditioning & Heater System Diagnosis & Testing -> A/C System Troubleshooting -> 4Runner -> A/C Indicator Does Not Light Up When Turn Mode Control Dial To DEF Position -> A/C Indicator Does Not Light Up With Mode Control Lever At DEF Position -> A/C Indicator Light Does Not Light Up When Mode Lever Is At DEF Position -> A/C System Does Not Operate -> Air Inlet Door Does Not Operate On The 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 -> Blinking Of A/C Indicator -> Brightness Does Not Change When Light Control Switch Is Turned -> Celica -> Compressor Operates Intermittently -> Cool Air Comes Out Only At High Engine RPM -> Corolla -> 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 When A/C Switch On -> No Engine Idle Up With A/C Switch On -> No Engine Idle-Up When A/C Switch Is On -> No Engine Idle-Up When 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 -> Paseo & Tercel -> PTC Heater Does Not Operate, When Perform 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 (4-Door) -> Rear A/C (5-Door) -> Rear A/C System Does Not Operate -> Sienna -> Supra -> Tacoma, T100 & Tundra
Vehicle: 1998 Toyota Sienna 3.0 V6 GAS
Avalon, Camry & Camry Solara
Refer to "Automatic Temperature Control System Diagnosis & Testing" for procedures.
Celica
No Blower Operation
- Faulty HTR fuse.
- 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. ...
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1998 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Toyota -> Automatic Temperature Control System Diagnosis & Testing -> Troubleshooting -> A/C System Does Not Operate -> Avalon, Camry & Camry Solara -> Blinking A/C Indicator -> Engine Idle-Up Does Not Occur, Or Is Continuous -> Insufficient Air Flow -> No Air Flow Mode -> No Air Inlet Control -> No Air Outlet Control -> No Air Temperature Control (Only Provides Max Cool & Max Warm) -> No Blower Control -> No Blower Operation -> No Cool Air Comes Out -> No Temperature Control (Only Max Warm) -> No Warm Air Comes Out -> Output Air Differs From Set Temperature Or Response Is Slow -> Output Air Is Warmer Or Cooler Than The Set Temperature Or Response Is Slow -> Set Mode Is Cleared When IG Switch Is Turned Off -> Set Temperature Value Displayed Does Not Change Up With Operation Of Temperature Control Switch -> Supra -> Trouble Code Not Recorded
Vehicle: 1998 Toyota Sienna 3.0 V6 GAS
Inspect each component or system in numerical order of importance.
Avalon, Camry & Camry Solara
A/C System Does Not Operate
- Faulty A/C control assembly.
- Faulty IG power source circuit.
No Blower Operation
- Faulty IG power source circuit.
- Faulty heater main relay circuit.
- Faulty blower motor circuit.
- Faulty A/C control assembly.
No Blower Control
- Faulty heater main relay circuit.
- Faulty blower motor circuit.
- Faulty A/C control assembly.
- Faulty solar sensor circuit.
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 1998 Toyota Sienna 3.0 V6 GAS
The Supplemental Restraint System (SRS) incorporates a back up energy source that can maintain sufficient voltage to cause a deployment for up to 90 seconds after the ignition switch is turned off and the battery is disconnected.
When the battery is disconnected all vehicle memory is lost, make notes of radio station settings. Never use a back-up power source from outside the vehicle.
- Note radio station settings before disconnecting battery, as all vehicle memory will be lost.
- Place ...
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 1998 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...
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1998 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 1998 Toyota Sienna cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 1998 Toyota Sienna 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 1998 Toyota Sienna A/C & HEATER SERVICE PROCEDURES
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