External Pages

2002 Lexus GS 430SECTION 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 - Self-Diagnostics) Section 5 (Engine Controls - Self-Diagnostics) Section 6 (Engine Controls - Self-Diagnostics) Section 7 (Engine Controls - Self-Diagnostics) Section 8 (Engine Controls - Self-Diagnostics) Section 9 (Engine Controls - Self-Diagnostics) Section 10 (Engine Controls - System & Component Testing) Section 11 (Engine Controls - System & Component Testing) Section 12 (Automatic A/C-Heater Systems) Section 13 (Automatic Transmission Diagnosis - U140E & U140F) Section 14 (System Wiring Diagrams) Section 15 (System Wiring Diagrams) Section 16 (System Wiring Diagrams) Section 17 (System Wiring Diagrams) Section 18 (System Wiring Diagrams) Section 19 (System Wiring Diagrams) Section 20 (Automatic Transmission - Diagnosis) Section 21 (Diagnosis - U150E) Section 22 (Engine Controls - Self-Diagnostics) Section 23 (Air Bag Restraint Systems) Section 24 (Air Bag Restraint Systems) Section 25 (Air Bag Restraint Systems) Section 26 (System Wiring Diagrams) Section 27 (Power Door Locks, Trunk Lid & Fuel Door Release) Section 28 (Engine Controls - Service & Adjustment Specifications) Section 29 (Engine Controls - On-Vehicle Adjustments) Section 30 (Engine Controls - Theory & Operation) Section 31 (Engine Controls - Basic Diagnostic Procedures) Section 32 (Engine Controls - Self-Diagnostics) Section 33 (Engine Controls - Self-Diagnostics) Section 34 (Engine Controls - Self-Diagnostics) Section 35 (Engine Controls - Self-Diagnostics) Section 36 (Engine Controls - Self-Diagnostics) Section 37 (Engine Controls - Self-Diagnostics) Section 38 (Engine Controls - Self-Diagnostics) Section 39 (Engine Controls - Trouble Shooting - No Codes) Section 40 (Engine Controls - System & Component Testing) Section 41 (Engine Controls - System & Component Testing) Section 42 (Engine Controls - System & Component Testing) Section 43 (Engine Controls - Pin Voltage Charts) Section 44 (Engine Controls - Sensor Operating Range Charts) Section 45 (Vacuum Diagrams) Section 46 (Engine Controls (Removal & Installation)) Section 47 (Multiplex Communication System) Section 48 (Engine Immobilizer System) Section 49 (Anti-Theft Systems) Section 50 (Remote Keyless Entry Systems) Section 51 (Power Mirrors) Section 52 (Power Seats) Section 53 (Cruise Control Systems) Section 54 (Instrument Panel) Section 55 (Steering Column Switches) Section 56 (Wiper/Washer Systems) Section 57 (Automatic Headlights) Section 58 (Power Moon Roofs) Section 59 (Anti-Lock) Section 60 (Anti-Lock) Section 61 (Multiplex Communication System) Section 62 (Body Control System) Section 63 (Instrument Panel) Section 64 (Steering Column Switches) Section 65 (Automatic Headlights & Lighting) Section 66 (Wiper/Washer Systems) Section 67 (Power & Heated Seats) Section 68 (Moon Roof) Section 69 (Power Windows) Section 70 (Power Door Locks & Liftgate) Section 71 (Anti-Theft System) Section 72 (Remote Keyless Entry) Section 73 (Engine Immobilizer) Section 74 (Cruise Control) Section 75 (Anti-Lock Brake System) Section 76 (Engine Immobilizer) Section 77 (Electronic Suspension) Section 78 (Engine Immobilizer System - Diagnosis) Section 79 (Servicing) Section 80 (Servicing A/T) Section 81 (Timing Belt Replacement - 3.0L 6-Cylinder) Section 82 (Front Suspension) Section 83 (Computer Relearn Procedures) Section 84 (Engine Controls - Self-Diagnostics) Section 85 (Engine Controls - System & Component Testing) Section 86 (Engine Controls Removal & Installation) Section 87 (System Wiring Diagrams) Section 88 (System Wiring Diagrams) Section 89 (System Wiring Diagrams) Section 90 (System Wiring Diagrams) Section 91 (System Wiring Diagrams) Section 92 (System Wiring Diagrams) Section 93 (System Wiring Diagrams) Section 94 (Engine Mechanical) Section 95 (Engine Mechanical) Section 96 (Air Bag Restraint Systems) Section 97 (Air Bag Restraint Systems) Section 98 (Air Bag Restraint Systems) Section 99 (Specifications & Procedures) Section 100 (Computer Relearn Procedures) Section 101 (Disc Brake System (Service Information)) Section 102 (Brakes Mechanical) Section 103 (Electrical Component Locator) Section 104 (Electrical Component Locator) Section 105 (Electric Cooling Fans) Section 106 (Fuses & Circuit Breakers) Section 107 (Axle Shafts) Section 108 (System Wiring Diagrams) Section 109 (System Wiring Diagrams) Section 110 (System Wiring Diagrams) Section 111 (System Wiring Diagrams) Section 112 (Generators & Regulators) Section 113 (Generators & Regulators) Section 114 (Generators & Regulators) Section 115 (Generators & Regulators) Section 116 (Generators & Regulators) Section 117 (Servicing) Section 118 (Starters) Section 119 (Air Bag Restraint Systems) Section 120 (Air Bag Restraint Systems) Section 121 (Charging) Section 122 (System Wiring Diagrams) Section 123 (Electrical Component Locator) Section 124 (Water Pump) Section 125 (Thermostat) Section 126 (Radiator) Section 127 (Air Conditioning) Section 128 (Propeller Shaft) Section 129 (Steering Wheel) Section 130 (Power Tilt And Power Telescopic Steering Column) Section 131 (Propeller Shaft) Section 132 (Steering System) Section 133 (Power Tilt And Power Telescopic Steering Column) Section 134 (Air Conditioning System) Section 135 (Ignition Switch & Key Unlock Warning Switch) Section 136 (Alignment Specifications & Procedures) Section 137 (Shift Locking System) Section 138 (Engine Immobilizer System - Diagnosis) Section 139 (Emission Control (2JZ-GE)) Section 140 (Emission Control (3UZ-FE)) Section 141 (SFI System (2JZ-GE)) Section 142 (SFI System (3UZ-FE)) Section 143 (Coolant (2JZ-GE)) Section 144 (Water Pump (2JZ-GE)) Section 145 (Thermostat (2JZ-GE)) Section 146 (Radiator (2JZ-GE)) Section 147 (Coolant (3UZ-FE)) Section 148 (Water Pump (3UZ-FE)) Section 149 (Thermostat (3UZ-FE)) Section 150 (Radiator (3UZ-FE)) Section 151 (Lubrication (2JZ-GE)) Section 152 (Lubrication (3UZ-FE)) Section 153 (Ignition (2JZ-GE)) Section 154 (Ignition (3UZ-FE)) Section 155 (Power Steering Fluid) Section 156 (Power Tilt And Power Telescopic Steering Column) Section 157 (Power Steering Vane Pump (3UZ-FE)) Section 158 (Air Conditioning System (Service)) Section 159 (Automatic Transmission (Service Specifications)) Section 160 (Air Conditioning (Service Specifications)) Section 161 (Engine (2JZ-GE) - Diagnostics) Section 162 (Engine (3UZ-FE) - Diagnostics) Section 163 (Automatic Transmission - Diagnostics) Section 164 (Automatic Transmission - Diagnostics) Section 165 (Power Tilt & Power Telescopic Steering Column) Section 166 (Supplemental Restraint System - Diagnostics) Section 167 (Power Seat Control System - Troubleshooting) Section 168 (Cruise Control System - Diagnostics) Section 169 (Engine Immobilizer System - Diagnostics) Section 170 (Combination Meter System) Section 171 (Sliding Roof System) Section 172 (Body No. 1 Control System) Section 173 (Body No. 2 Control System) Section 174 (Driver Door Control System) Section 175 (Passenger Door Control System) Section 176 (Rear Left Door Control System) Section 177 (Rear Right Door Control System) Section 178 (Multiplex Communication System - Diagnostics) Section 179 (LEXUS Navigation System) Section 180 (Electronic Controlled Automatic Transmission (ECT) - Diagnosis) Section 181 (Lighting System - Diagnosis) Section 182 (Audio System - Diagnosis) Section 183 (Defogger System - Diagnosis) Se

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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.