What to Do About Toyota Engine Immobilizer System?

1 Answers
StArthur
07/30/25 7:58am
When inserting the original key, check if the security indicator light turns off. If it does not, inspect the key transponder coil circuit for faults. Below are relevant maintenance tips: 1. Use lubricating oil of appropriate quality grade: For gasoline engines, select SD-SF grade gasoline engine oil based on the additional devices of the intake and exhaust systems and usage conditions; for diesel engines, choose CB-CD grade diesel engine oil according to mechanical load, with the selection standard being no lower than the manufacturer's specified requirements. 2. Regularly change the oil and filter: The quality of any grade of lubricating oil will change during use. To avoid malfunctions, change the oil regularly based on usage conditions and maintain an appropriate oil level (generally up to the upper limit of the oil dipstick is recommended).
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