2012 Toyota Avalon BaseFACTORY OEM SERVICE PROCEDURE

Engine Switch Indicator Circuit: Description

Engine start conditions or system malfunctions can be checked by the status of the engine switch indicator light.

ENGINE SWITCH INDICATOR LIGHT CONDITION:

Power Source Mode / Condition Indicator Light Condition
No brake pedal depressed Brake pedal depressed with shift lever in "P" or "N"
OFF Turn OFF Turn ON (Green)
ACC, IG-ON, START Turn ON (Amber) Turn ON (Green)
Engine Running Turn OFF Turn OFF
Steering lock not unlocked Flash (Green) for 30 seconds Flash (Green) for 30 seconds
Push Button Start System Malfunction Flash (Amber) for 15 seconds Flash (Amber) for 15 seconds
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:

  • 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.