Idle Air Volume Learning: Preparation

Before performing Idle Air Volume Learning, check 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: More than 12.9 V (At idle)
• Engine coolant temperature: 70 - 100°C (158 - 212°F)
• PNP switch: ON
• Electric load switch: OFF

(Air conditioner, headlamp, rear window defogger)

On vehicles equipped with daytime light systems, if the parking brake is applied before the engine is started the headlamp will not illuminate. 

• Steering wheel: Neutral (Straight-ahead position)
• Vehicle speed: Stopped
• Transmission: Warmed-up

• With CONSULT-III: Drive vehicle until "ATF TEMP SE" in "DATA MONITOR" mode of "A/T" system indicates less than 0.9 V.
• Without CONSULT-III: Drive vehicle for 10 minutes.