2007 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Service Data

SERVICE DATA

Mass air flow meter
(using a Intelligent Tester)		 Standard condition: Less than 0.50 g/sec.
Camshaft position sensor Resistance at cold condition: 835 to 1, 400 Ω
Resistance at cold condition: 1, 060 to 1, 645 Ω
Crankshaft position sensor Resistance at cold condition: 1, 630 to 2, 740 Ω
Resistance at cold condition: 2, 065 to 3, 225 Ω
Engine coolant temperature sensor Resistance at approx. 20°C (68°F): 2.32 to 2.59 kΩ
Resistance at approx. 80°C (176°F): 0.310 to 0.326 kΩ
Throttle body Terminal 1 and 2 resistance at 20°C (68°F): 0.3 to 10 Ω:
Terminal 3 and 5 resistance at 20°C (68°F): 1.2 to 3.2 kΩ
Accelerator pedal POS NO. 1 voltage at pedal is released: 0.5 to 1.1 V
POS NO. 1 voltage at pedal is depressed: 2.6 to 4.4 V
POS NO. 2 voltage at pedal is released: 1.2 to 2.0 V
POS NO. 2 voltage at pedal is depressed: 3.4 to 5.0 V
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:

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

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