Reset malfunction indicator lamp Toyota Prius second generation

Reset malfunction indicator lamp Toyota Prius second generation XW20. From year: 2003, 2004, 2005, 2006, 2007, 2008.

How to reset malfunction indicator lamp Toyota Prius second generation.

This lamp comes on when the “IG−ON” mode is enabled and goes off after the hybrid system starts. This means that the warning light system is operating properly.

If the lamp remains on or the lamp comes on while driving, first check the following:

  • Empty fuel tank. If the fuel tank is empty, refuel immediately.

This case is a temporary malfunction. The malfunction indicator lamp will go off after taking several driving trips.

If the lamp does not go off even after several trips, contact your Toyota dealer as soon as possible.

  • There is a problem somewhere in the engine, hybrid system, throttle control system or warning light system itself.

Contact your Toyota dealer as soon as possible to service the vehicle.

Emissions inspection and maintenance (I/M) programs.

Your vehicle may not pass a state emission inspection if the malfunction indicator lamp remains on. Contact your Toyota dealer to check your vehicle’s emission control system and OBD (On−Board Diagnostics) system before taking your vehicle for the inspection.

All information how to reset malfunction indicator lamp is taken from Toyota Prius second generation owners manual.


That it is the full procedure how to reset malfunction indicator lamp Toyota Prius second generation XW20. If you like to reset any maintenance oil light after an oil change. Or reset check engine light, airbag light, inspection key or insp errors when maint reqd, for Toyota cars. Or any warning light for service reminder which appears on the display. Write in the search box the car name for which you want to find information, and find how to reset other service reminders by yourself.  

This is an information site where you can solve your car problems. Send us a comment if our procedures are correctly. If you would have anything to add, for us every opinion counts.

Click hear to see full procedure how do you reset the oil light indicator. How to reset the maintenance light and how do you reset service light for all Toyota vehicles.

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