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2003 Toyota Tacoma CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Toyota REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
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- 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 Tacoma AUTOMOBILES
Air Bag System Precautions -> Toyota -> Arming
Vehicle: 2003 Toyota Tacoma 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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BRAKE SERVICE PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
Toyota -> Power Brake Units -> Precautions -> Audio Coded Anti-Theft System
Vehicle: 2003 Toyota Tacoma 2.7 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 Tacoma AUTOMOBILES
Toyota -> Component Locations -> 1995-04 Tacoma & 1996-02 4Runner
Vehicle: 2003 Toyota Tacoma 3.4 V6 GAS
Ref...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 2003 Toyota Tacoma 2.7 L4 GAS
Front
- Place vehicle in neutral.
- Release parking brake.
- Raise and support vehicle and support it with safety stands in proper locations.
- Place matchmarks on the propeller shaft and front differential flanges.
- Remove bolts, nuts, and washers from differential flange.
- Suspend the front side of the propeller shaft.
- Place matchmarks on the propeller shaft and transfer flanges.
- Remove bolts, nuts, and washers from transfer flanges.
- Remove front propeller shaft.
- Reverse procedure to install, noting the following:
- Torque differential flange bolts to 54 ft. lbs.
- Torque ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
Starter, Replace
Vehicle: 2003 Toyota Tacoma 2.7 L4 GAS
- Disconnect battery ground cable.
- On models equipped with audio coded anti-theft system, obtain three-digit system code.
- On all models, if required, remove battery, battery tray and/or igniter bracket.
- Remove air cleaner assembly, if required.
- Disconnect electrical connec...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
Toyota -> Air Bag Warning Lamp -> 2003-09 Tacoma
Vehicle: 2003 Toyota Tacoma 2.7 L4 GAS
- Connect two service wires to terminals Tc and CG of data link connector.
- Turn ignition switch to On position and wait for approximately 6 seconds.
- SRS warning lamps will illuminate 2-4 seconds later. Within 1-5 seconds, ground terminal Tc of DLC.
- SRS warning lamp will go off within 2-4 seconds. Within 1-5 seconds, release...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Toyota Tacoma 2.4 L4 GAS
- Drain coolant into a suitable container.
- Disconnect radiator upper and lower hoses at radiator.
- Disconnect ATF cooler lines at radiator.
- Disconnect cooling fan electrical connectors.
- Disconnect wiring harness clamps f...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Toyota Tacoma AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Toyota Tacoma 2.4 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 Tacoma AUTOMOBILES
Component location diagrams for most 2003 Toyota Tacoma cars and light trucks sold in the U.S. from 1990+.
Automatic Transmission Components Diagram for 2003 Toyota Tacoma 2.4 L4 GAS Components on diagram: |
Body Connectors Diagram for 2003 Toyota Tacoma 2.4 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Toyota Tacoma AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Toyota Tacoma cars and light trucks sold in the U.S.
2003 Toyota Tacoma 2.4 L4 GAS Wiring Diagram Components on diagram: |
2003 Toyota Tacoma 2.4 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Toyota Tacoma AUTOMOBILES
OEM TSB listings for most 2003 Toyota Tacoma cars and light trucks sold in the U.S. from 1985+.
Document: A340 TRANSMISSION SOLENOID IDENTIFICATION Vehicle: 2003 Toyota Tacoma 3.4 V6 GAS Auto Systems: |
Document: LONG TERM VEHICLE STORAGE GUIDELINES Vehicle: 2003 Toyota Tacoma 2.7 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Toyota Tacoma AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Toyota Tacoma 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 Tacoma 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 Tacoma 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 Tacoma 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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