2003 Toyota Tundra Base, AutomaticFACTORY OEM SERVICE PROCEDURE

External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Engine Control System Self Diagnostics - V8) Section 2 (Timing Belt Replacement - 4.7L V8) Section 3 (Engine Mechanical - Specifications - 2UZ-FE) Section 4 (Cruise Control System - 2UZ-FE - Diagnostics) Section 5 (Water Pump - 2UZ-FE) Section 6 (Thermostat - 2UZ-FE) Section 7 (Transfer Case - VF2A) Section 8 (Transfer Case - VF2BM) Section 9 (Power Steering Vane Pump - 2UZ-FE) Different car Section 1 (Electronic Suspension - Wiring Diagrams) Section 2 (Differentials & Axle Shafts - Rear) Section 3 (Axle Shafts - Front & Rear) Section 4 (System Wiring Diagrams) Section 5 (System Wiring Diagrams) Section 6 (Vehicle Engine/VIN Id) Section 7 (Engine Controls - On-Vehicle Adjustments - 4-Cylinder) Section 8 (Engine Controls - On-Vehicle Adjustments - V6 & V8) Section 9 (Engine Controls - Theory & Operation) Section 10 (Engine Controls - Basic Diagnostic Procedures - 4-Cylinder) Section 11 (Engine Controls - Basic Diagnostic Procedures - V6 & V8) Section 12 (Engine Control System Self-Diagnostics - 4-Cylinder) Section 13 (Engine Control System Self-Diagnostics - V6) Section 14 (Engine Control System Self-Diagnostics) Section 15 (Engine Control System Self-Diagnostics) Section 16 (Engine Control System Self-Diagnostics) Section 17 (Engine Control System Self-Diagnostics - V6) Section 18 (Engine Control System Self-Diagnostics - V8) Section 19 (Engine Control System Trouble Shooting - No Codes) Section 20 (Engine Control System & Component Testing - 4-Cylinder) Section 21 (Engine Controls - System & Component Testing - V6 & V8) Section 22 (Vacuum Diagrams) Section 23 (Engine Controls - Removal & Installation, Overhaul 4 Cylinder) Section 24 (Engine Controls - Removal, Overhaul & Installation V6 & V8) Section 25 (Wiring Diagrams) Section 26 (Engine Controls - Service & Adjustment Specifications) Section 27 (Engine Controls - On-Vehicle Adjustments) Section 28 (Engine Controls - Theory & Operation) Section 29 (Engine Controls - Basic Diagnostic Procedures) Section 30 (Engine Controls - Self-Diagnostics) Section 31 (Engine Controls - Self-Diagnostics) Section 32 (Engine Controls - Self-Diagnostics) Section 33 (Engine Controls - Trouble Shooting - No Codes) Section 34 (Engine Controls - System & Component Testing) Section 35 (Engine Controls - System & Component Testing) Section 36 (Engine Controls - Pin Voltage Charts) Section 37 (Vacuum Diagrams) Section 38 (Engine Controls - Removal, Overhaul & Installation) Section 39 (Wiring Diagrams) Section 40 (Automatic A/C Heater Systems (Specifications)) Section 41 (Manual A/C-Heater Systems) Section 42 (Manual A/C-Heater Systems (Specifications)) Section 43 (Disc Brakes) Section 44 (Automatic A/C-Heater Systems) Section 45 (Electrical Component Locator) Section 46 (Electrical Component Locator) Section 47 (Electrical Component Locator) Section 48 (Electrical Component Locator) Section 49 (Starting System) Section 50 (Automatic Transmission - Diagnosis) Section 51 (Automatic Transmission Diagnosis - U241E) Section 52 (Automatic Transmission Diagnosis - U140E & U140F) Section 53 (System Wiring Diagrams) Section 54 (System Wiring Diagrams) Section 55 (System Wiring Diagrams) Section 56 (Overhaul - A650E) Section 57 (Automatic Transmission - Diagnosis) Section 58 (Automatic Transmission Diagnosis - A340E, A340F) Section 59 (Diagnosis - U150E) Section 60 (Servicing - A/T) Section 61 (Automatic Transmission Shift Interlock Systems) Section 62 (Computer Relearn Procedures - Import) Section 63 (Transfer Case Diagnosis -VF2BM) Section 64 (Engine Control System Self-Diagnostics) Section 65 (Air Bag Restraint Systems) Section 66 (Air Bag Restraint Systems) Section 67 (Air Bag Restraint Systems) Section 68 (Air Bag Restraint Systems) Section 69 (Air Bag Restraint Systems) Section 70 (Air Bag Restraint Systems) Section 71 (Air Bag Restraint Systems) Section 72 (Air Bag Restraint Systems) Section 73 (Air Bag Restraint Systems) Section 74 (System Wiring Diagrams) Section 75 (System Wiring Diagrams) Section 76 (System Wiring Diagrams) Section 77 (System Wiring Diagrams) Section 78 (System Wiring Diagrams) Section 79 (Multiplex Control Systems) Section 80 (Power Door Locks, Trunk Lid & Fuel Door Release) Section 81 (Engine Controls - Service & Adjustment Specifications) Section 82 (Engine Controls - On-Vehicle Adjustments) Section 83 (Engine Controls - Theory & Operation) Section 84 (Engine Controls - Basic Diagnostic Procedures) Section 85 (Engine Controls - Self-Diagnostics) Section 86 (Engine Controls - Self-Diagnostics) Section 87 (Engine Controls - Self-Diagnostics) Section 88 (Engine Controls - Self-Diagnostics) Section 89 (Engine Controls - Self-Diagnostics) Section 90 (Engine Controls - Trouble Shooting - No Codes) Section 91 (Engine Controls - System & Component Testing) Section 92 (Engine Controls - System & Component Testing) Section 93 (Engine Controls - System & Component Testing) Section 94 (Engine Controls - Pin Voltage Charts) Section 95 (Engine Controls - Sensor Operating Range Charts) Section 96 (Vacuum Diagrams) Section 97 (Engine Controls (Removal & Installation)) Section 98 (Engine Controls - On-Vehicle Adjustments - 4-Cylinder) Section 99 (Engine Controls - Basic Diagnostic Procedures - 4-Cylinder) Section 100 (Engine Control System Self-Diagnostics - 4-CYL (Except PZEV)) Section 101 (Engine Control System Self Diagnostics - 4-Cylinder) Section 102 (Engine Control System Self Diagnostics) Section 103 (Engine Control System Self Diagnostics) Section 104 (Engine Control System Self Diagnostics) Section 105 (Engine Control System Self Diagnostics) Section 106 (Engine Control System Self Diagnostics) Section 107 (Engine Control System Self Diagnostics) Section 108 (Engine Control System Self Diagnostics - 4-Cylinder) Section 109 (Engine Control System Self Diagnostics (2UZ-FE)) Section 110 (Engine Controls - System & Component Testing - 4-Cylinder) Section 111 (Engine Controls - Removal & Installation 4-Cylinder) Section 112 (Multiplex Communication System) Section 113 (Engine Immobilizer System) Section 114 (Anti-Theft Systems) Section 115 (Remote Keyless Entry Systems) Section 116 (Automatic Headlights) Section 117 (Body Control Systems) Section 118 (Power Mirrors) Section 119 (Power Seats) Section 120 (Cruise Control Systems) Section 121 (Instrument Panel) Section 122 (Steering Column Switches) Section 123 (Wiper/Washer Systems) Section 124 (Automatic Headlights) Section 125 (Power Moon Roofs) Section 126 (Cruise Control Systems) Section 127 (Anti-Lock) Section 128 (Power Door Locks - Without Keyless Entry) Section 129 (Keyless Entry Systems) Section 130 (Anti-Lock) Section 131 (Anti-Theft Systems) Section 132 (Multiplex Communication System) Section 133 (Engine Immobilizer Systems) Section 134 (Body Control System) Section 135 (Power Trunk Lid) Section 136 (Instrument Panel) Section 137 (Steering Column Switches) Section 138 (Instrument Panel) Section 139 (Automatic Headlights & Lighting) Section 140 (Wiper/Washer Systems) Section 141 (Power & Heated Seats) Section 142 (Moon Roof) Section 143 (Rear Window & Mirror Defoggers) Section 144 (Power Windows) Section 145 (Power Door Locks & Liftgate) Section 146 (Power Mirror Control System) Section 147 (Anti-Theft System) Section 148 (Power Seats) Section 149 (Remote Keyless Entry) Section 150 (Engine Immobilizer) Section 151 (Cruise Control) Section 152 (Anti-Lock Brake System) Section 153 (Steering Column

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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