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2003 Toyota MR2 Spyder CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
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 MR2 Spyder 1.8 L4 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...
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BRAKE SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Toyota -> Hydraulic Brake Systems -> Precautions -> Audio Coded Anti-Theft System
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
Audio Coded Anti-Theft System
Some models are equipped with an audio coded anti-theft system that will disable the radio when the battery cable is disconnected. The system can be identified by the "ANTI-THEFT SYSTEM" on the cassette tape lid. Obtain 3 digit customer code for input. Reset system after service as follows:
- Obtain 3 digit audio anti-theft code.
- Depress 1 (PROG) while depressing righthand side of TUNE SEEK button, - - - will appear in tape operation display.
- To enter the first digit, depress 1 (PROG) button repeatedly until the number of times depressed equals the first digit ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Toyota -> Fuel Filter Scheduled Maintenance -> 1986-06 Models -> Normal Service -> Severe Service
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
Normal Service
Service as r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove engine under-covers.
- Drain transmission fluid.
- Unstake driveshaft hub nut.
- With an assistant applying brakes, remove and discard driveshaft hub nut.
- Remove bolt and disconnect hose from shock absorber body.
- Loosen, but do not remove, the two bolts on the lower end of shock absorber.
- Remove bolt and nut and disconnect strut rod from rear of axle carrier.
- Remove bolts and nuts and disconnect both lower control arms from axle carrier.
- Remove lower shock absorber bolt, then use a plastic hammer to drive out driveshaft fr...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Starter, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Disconnect battery ground cable.
- Remove front engine under cover.
- Disconnect sta...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Toyota -> Anti-Lock Brake System (ABS)/Vehicle Stability Control (VSC) System Warning Lamp -> 2000-05 MR2
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
The anti-lock warning lamp is used to warn of a system fault. The lamp will be lit during engine start-up, but should go out when the self-diagnostic system verifies proper anti-lock operation. If the lamp remains lit, a fault in the anti-lock brake system is indicated. After system diagnosis and repair are complete, the lamp can...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at water outlet.
- Remove hose from water outlet.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp a...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
Component location diagrams for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. from 1990+.
Engine Immobilizer Components Diagram for 2003 Toyota MR2 Spyder 1.8 L4 GAS Components on diagram: |
Power Source Diagram for 2003 Toyota MR2 Spyder 1.8 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S.
2003 Toyota MR2 Spyder 1.8 L4 GAS Wiring Diagram Components on diagram: |
2003 Toyota MR2 Spyder 1.8 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
OEM TSB listings for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. from 1985+.
Document: UPPER/LOWER WINDSHIELD/REAR GLASS TICK NOISE - REVISED Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS Symptoms: |
Document: REPAIR MANUAL SUPPLEMENT: VEHICLE PULLING TO ONE SIDE - REVISED Vehicle: 2003 Toyota MR2 Spyder 1.8 L4 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Toyota MR2 Spyder AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 Toyota MR2 Spyder cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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