Previously Motorola supplied IndyCar Series ECU in 2003 -- 2010 for Honda - powered cars , also Denso supplied IndyCar Series ECU in 2003 -- 2005 for Toyota - powered cars .
Also Zytek supplied IndyCar Series ECU in 2002 -- 2005 for Chevrolet - powered cars .
Previously Motorola supplied IndyCar Series ECU in 2003 -- 2010 for Honda - powered cars , also Denso supplied IndyCar Series ECU in 2003 -- 2005 for Toyota - powered cars and also Zytek supplied IndyCar Series ECU in 2002 -- 2005 for Chevrolet - powered cars .