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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Toyota Highlander 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 2003 Toyota Highlander automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Toyota Highlander
- 2003 Toyota Highlander 3.0 V6 GAS, CC:2995, Fuel Injection
- 2003 Toyota Highlander 2.4 L4 GAS, CC:2362, Fuel Injection
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Imported Cars & Light Trucks & Vans -> 2003-04 -> Leak Test -> Electronic Leak Detectors -> Fluid Leak Detectors
Vehicle: 2003 Toyota Highlander 2.4 L4 GAS
Testing the refrigerant system for leaks is one of the most important phases of troubleshooting. One or more of the methods outlined will prove useful in detecting leaks or checking connections if service work is performed. Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Check all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks.
R-12 leak detectors will not detect R-134a leaks. For R-134a system an electronic type leak detector i...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Toyota -> Manual Air Conditioning & Heater System Diagnosis & Testing -> Component Tests -> A/C & Heater Control Panel -> A/C Amplifier -> A/C Control -> A/C Control Assembly -> A/C Switch -> Air Inlet Servomotor -> Avalon -> Blower Control Switch -> Blower Motor -> Blower Motor Relay -> Blower Resistor -> Blower Switch -> Camry -> Camry Solara -> Celica -> Compressor -> Compressor Lock Sensor -> Compressor Lock Sensor Resistor -> Cooling Fan Control -> Corolla -> Corolla Matrix -> Echo -> Expansion Valve -> Front -> Front Heater Relay -> Heater Blower Motor Relay -> Heater Main Relay -> Heater Sub Relay -> Highlander -> Magnet Clutch Relay -> Magnetic Clutch -> Magnetic Clutch Control -> Magnetic Clutch Relay -> Mode Control Switch -> MR2 -> Pressure Switch -> RAV 4 -> Rear Blower Switch -> Rear Cooler -> Rear Heater -> Rear Heater HI Relay -> Rear Heater Relay -> Rear LO, Rear M1, Rear M2 & Rear Relays -> Sienna -> Tacoma -> Tundra
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
Avalon
A/C Amplifier
- Turn ignition On.
- Move temperature control lever to MAX COOL.
- Turn blower control switch to HI.
- Inspect resistance and voltage values between connector terminals, Fig. . If resistance and voltage reading are within specifications, proceed to next step. If resistance or voltage readings are not as specified, locate and repair faulty wiring. If wiring is satisfactory, replace amplifier.
- Inspect amplifier operation as illustrated in Fig. . If amplifier operates as specified, amplifier is satisfactory. If amplifier...
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Imported Vehicles
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Toyota Highlander 2.4 L4 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Toyota -> Wiring Diagrams
Vehicle: 2003 Toyota Highlander 3.0 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Toyota Highlander A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota Highlander 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 2003 Toyota Highlander cars and light trucks from 1990+
Air Bag System Precautions -> Toyota -> Disarming
Vehicle: 2003 Toyota Highlander 2.4 L4 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 ...
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