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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+
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 2003 Toyota Highlander 2.4 L4 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 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+
Toyota -> Electric Cooling Fans -> Troubleshooting -> 1MZ-FE -> 2AZ-FE -> 2AZ-FE Engine -> 5S-FE Engine -> Avalon, Camry & Camry Solara w/1MZ-FE Engine -> Camry & Camry Solara -> Celica -> Condenser Fan -> Condenser Fan On-Vehicle Inspection -> Cooling Fan -> Cooling Fan Inspection -> Cooling Fan On-Vehicle Inspection -> Cooling Fan Relay Inspection -> Cooling Fans Inspection -> Corolla & Corolla Matrix -> Echo -> Highlander -> MR2 -> No. 1 Cooling Fan Motor Inspection -> No. 2 Cooling Fan Motor Inspection -> On-Vehicle Inspection -> RAV4 -> Sienna
Vehicle: 2003 Toyota Highlander 2.4 L4 GAS
Avalon, Camry & Camry Solara w/1MZ-FE Engine
On-Vehicle Inspection
Condenser Fan
- Inspect condenser fan operation with temperature below 190°F as follows:
- Connect manifold gauge set to high and low sides of system.
- Start engine.
- Turn blower speed to HI, temperature control dial to COOL and A/C switch On.
- Ensure refrigerant pressure is less than 220 psi.
- Ensure cooling fan operates at low speed.
- Connect condenser fan motor electrical connector, then inspect cooling fan operation with high tempera...
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 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 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+
Imported Cars & Light Trucks & Vans -> 2003-04 -> Evacuating System -> Using Charging Station -> Using Vacuum Pump
Vehicle: 2003 Toyota Highlander 2.4 L4 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 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
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