2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

Idle Air Volume Learning: Preparation

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2004 Nissan Xterra, 2004 Nissan Titan, 2004 Nissan Sentra, 2004 Nissan Quest, and 2004 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Before performing idle air volume learning, ensure that all of the following conditions are satisfied. Learning will be cancelled if any of the following conditions are missed for even a moment:

  • Battery Voltage -Β  More than 12.9 volts (At idle).
  • Engine Coolant Temperature -Β  158-212Β°F (70-100Β°C).
  • PNP Switch -Β  ON.
  • Electric Load Switch -Β  OFF (Air conditioner, headlamp, rear window defogger) on vehicles equipped with daytime light systems, set lighting switch to the 1st position to light only small lamps.
  • Steering Wheel -Β  Neutral (Straight-ahead position).
  • Vehicle Speed -Β  Stopped.
  • Transmission -Β  Warmed-up for A/T models with CONSULT-II, drive vehicle until "FLUID TEMP SE" in "DATA MONITOR" mode of A/T system indicates less than 0.9 volt. For A/T models without CONSULT-II and M/T models, drive vehicle for 10 minutes.

Factory Service Tools

Use the Manual With the Right Hardware

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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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