External Pages

2004 Lexus GS 300SECTION External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different car Section 1 (Engine Controls - Removal, Overhaul, Installation) Section 2 (Electronic Suspension - Wiring Diagrams) Section 3 (Wiring Diagrams) Section 4 (Engine Controls - Service & Adjustment Specifications) Section 5 (Engine Controls - On-Vehicle Adjustments) Section 6 (Engine Controls - Theory & Operation) Section 7 (Engine Controls - Basic Diagnostic Procedures) Section 8 (Engine Controls - Self-Diagnostics) Section 9 (Engine Controls - Self-Diagnostics) Section 10 (Engine Controls - Self-Diagnostics) Section 11 (Engine Controls - Self-Diagnostics) Section 12 (Engine Controls - Self-Diagnostics) Section 13 (Engine Controls - Self-Diagnostics) Section 14 (Engine Controls - Self-Diagnostics) Section 15 (Engine Controls - Trouble Shooting - No Codes) Section 16 (Engine Controls - System & Component Testing) Section 17 (Engine Controls - System & Component Testing) Section 18 (Engine Controls - System & Component Testing) Section 19 (Engine Controls - Pin Voltage Charts) Section 20 (Vacuum Diagrams) Section 21 (Engine Controls - Removal, Overhaul & Installation) Section 22 (Wiring Diagrams) Section 23 (Disc Brakes) Section 24 (Automatic A/C-Heater Systems) Section 25 (Diagnosis - A650E) Section 26 (Automatic Transmission Diagnosis - U140E & U140F) Section 27 (System Wiring Diagrams) Section 28 (System Wiring Diagrams) Section 29 (System Wiring Diagrams) Section 30 (System Wiring Diagrams) Section 31 (System Wiring Diagrams) Section 32 (System Wiring Diagrams) Section 33 (System Wiring Diagrams) Section 34 (Automatic Transmission - Diagnosis) Section 35 (Diagnosis - U150E) Section 36 (Servicing - A/T) Section 37 (Automatic Transmission Shift Interlock Systems) Section 38 (Computer Relearn Procedures - Import) Section 39 (Engine Controls - Self-Diagnostics) Section 40 (Air Bag Restraint Systems) Section 41 (Air Bag Restraint Systems) Section 42 (Air Bag Restraint Systems) Section 43 (Air Bag Restraint Systems) Section 44 (System Wiring Diagrams) Section 45 (Power Door Locks, Trunk Lid & Fuel Door Release) Section 46 (Engine Controls - Service & Adjustment Specifications) Section 47 (Engine Controls - On-Vehicle Adjustments) Section 48 (Engine Controls - Theory & Operation) Section 49 (Engine Controls - Basic Diagnostic Procedures) Section 50 (Engine Controls - Self-Diagnostics) Section 51 (Engine Controls - Self-Diagnostics) Section 52 (Engine Controls - Self-Diagnostics) Section 53 (Engine Controls - Self-Diagnostics) Section 54 (Engine Controls - Self-Diagnostics) Section 55 (Engine Controls - Self-Diagnostics) Section 56 (Engine Controls - Self-Diagnostics) Section 57 (Engine Controls - Trouble Shooting - No Codes) Section 58 (Engine Controls - System & Component Testing) Section 59 (Engine Controls - System & Component Testing) Section 60 (Engine Controls - System & Component Testing) Section 61 (Engine Controls - Pin Voltage Charts) Section 62 (Engine Controls - Sensor Operating Range Charts) Section 63 (Vacuum Diagrams) Section 64 (Engine Controls (Removal & Installation)) Section 65 (Multiplex Communication System) Section 66 (Engine Immobilizer System) Section 67 (Anti-Theft Systems) Section 68 (Remote Keyless Entry Systems) Section 69 (Power Mirrors) Section 70 (Power Seats) Section 71 (Cruise Control Systems) Section 72 (Instrument Panel) Section 73 (Steering Column Switches) Section 74 (Wiper/Washer Systems) Section 75 (Automatic Headlights) Section 76 (Power Moon Roofs) Section 77 (Multiplex Communication System) Section 78 (Body Control Systems) Section 79 (Steering Column Switches) Section 80 (Automatic Headlights & Lighting) Section 81 (Power Door Locks, Trunk Lid & Fuel Door Release) Section 82 (Power Windows) Section 83 (Anti-Lock) Section 84 (Power Mirrors) Section 85 (Engine Immobilizer System) Section 86 (Cruise Control Systems) Section 87 (Anti-Theft Systems) Section 88 (Remote Keyless Entry Systems) Section 89 (Wiper/Washer & Headlight Cleaner Systems) Section 90 (Instrument Panel - Troubleshooting) Section 91 (Rear Window Defogger & Heated Mirrors) Section 92 (Anti-Lock) Section 93 (Power & Heated Seats) Section 94 (Power Moon Roof) Section 95 (Multiplex Communication System) Section 96 (Body Control System) Section 97 (Instrument Panel) Section 98 (Steering Column Switches) Section 99 (Automatic Headlights & Lighting) Section 100 (Wiper/Washer Systems) Section 101 (Power & Heated Seats) Section 102 (Moon Roof) Section 103 (Power Windows) Section 104 (Power Door Locks & Liftgate) Section 105 (Anti-Theft System) Section 106 (Remote Keyless Entry) Section 107 (Engine Immobilizer) Section 108 (Cruise Control) Section 109 (Anti-Lock Brake System) Section 110 (Engine Immobilizer) Section 111 (Electronic Suspension) Section 112 (Engine Immobilizer System - Diagnosis) Section 113 (Servicing A/T) Section 114 (Front Suspension) Section 115 (Timing Belt Replacement - 4.3L V8) Section 116 (Computer Relearn Procedures) Section 117 (Engine Controls - Self-Diagnostics) Section 118 (Engine Controls - System & Component Testing) Section 119 (Engine Controls Removal & Installation) Section 120 (System Wiring Diagrams) Section 121 (System Wiring Diagrams) Section 122 (System Wiring Diagrams) Section 123 (System Wiring Diagrams) Section 124 (System Wiring Diagrams) Section 125 (System Wiring Diagrams) Section 126 (System Wiring Diagrams) Section 127 (Engine Mechanical) Section 128 (Air Bag Restraint Systems) Section 129 (Air Bag Restraint Systems) Section 130 (Brakes Mechanical) Section 131 (Electrical Component Locator) Section 132 (Electric Cooling Fans) Section 133 (Electric Cooling Fans) Section 134 (Fuses & Circuit Breakers) Section 135 (Axle Shafts) Section 136 (System Wiring Diagrams) Section 137 (System Wiring Diagrams) Section 138 (System Wiring Diagrams) Section 139 (Generators & Regulators) Section 140 (Generators & Regulators) Section 141 (Generators & Regulators) Section 142 (Generators & Regulators) Section 143 (Servicing) Section 144 (Starters) Section 145 (Air Bag Restraint Systems) Section 146 (System Wiring Diagrams) Section 147 (Electrical Component Locator) Section 148 (Air Conditioning) Section 149 (Coolant (2JZ-GE)) Section 150 (Propeller Shaft) Section 151 (Steering Wheel) Section 152 (Propeller Shaft) Section 153 (Steering System) Section 154 (Power Tilt And Power Telescopic Steering Column) Section 155 (Air Conditioning System) Section 156 (Ignition Switch & Key Unlock Warning Switch) Section 157 (Alignment Specifications & Procedures) Section 158 (Engine Immobilizer System - Diagnosis) Section 159 (Emission Control (3UZ-FE)) Section 160 (SFI System (3UZ-FE)) Section 161 (Coolant (3UZ-FE)) Section 162 (Water Pump (3UZ-FE)) Section 163 (Thermostat (3UZ-FE)) Section 164 (Radiator (3UZ-FE)) Section 165 (Lubrication (3UZ-FE)) Section 166 (Ignition (3UZ-FE)) Section 167 (Power Steering Vane Pump (3UZ-FE)) Section 168 (Engine (3UZ-FE) - Diagnostics) Section 169 (Automatic Transmission - Diagnostics) Section 170 (Electronic Controlled Automatic Transmission (ECT) - Diagnosis) Section 171 (Lighting System - Diagnosis) Section 172 (Audio System - Diagnosis) Section 173 (Defogger System - Diagnosis) Section 174 (Combination Meter - Diagnosis) Section 175 (Key Reminder Warning System - Diagnosis) Section 176 (Engine Immobilizer System - Diagnosis) Section 177 (Multiplex Communication System - Diagnosis) Section 178 (Lighting System) Section 179 (Quarter Power Windows) Section 180 (Rear Seat) Section 181 (Front Door) Section 182 (Ignition Switch

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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.