Toyota / Scion iQ — TIMING CHAIN OR BELT?


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The Toyota iQ (also named Scion iQ in the United States) is an ultra-compact city car (A-segment in Europe) manufactured by Toyota. It was sold between 2008 and 2016. In Europe, it was called Toyota iQ and Aston Martin Cygnet. In America, it was marketed as Scion iQ under Scion, the now discontinued marque of Toyota.

The Scion iQ is a vehicle especially designed to compete against the Smart Fortwo. It’s even more compact than the Toyota Aygo, although its price reflected that. It aimed to be the perfect city car: fuel efficient, low- environmental impact and enough room in the cabin for 2 adults and 2 small children to sit.

Apart from its petrol and diesel motor engines, the iQ sold electric variants, specially to carsharing businesses. These electric models were the Toyota iQ EV and had a range of slightly over 30 miles. They were sold under the name of Toyota iQ EV in Europe and Toyota eQ in Japan.

Despite having stopped their production, Toyota hasn’t stopped showing prototypes of this car at many motor shows.

Scion iQ – Timing Belt or Timing Chain?

Down below you will see a list with all Scion iQ models that have been produced. They are classified by model identifier, year and type of bodywork. Above each list, we show you a series of pictures so that you can have a visual reference for each model. In some cases, both the original and its updated design are displayed to help you identify them with ease.

In this guide you will find all Scion iQ.

■ Timing Belt / Cam Belt (Correa / Faja de Distribución)
■ Timing Chain (Cadena de Distribución / Cadena de Tiempo)
■ Gear Driven (Distribución por Engranajes)
100% Electric, No Timing (Sin Distribución)
Unknown / Not Updated (Información desconocida)

If a car model is specified in blue, it means its motor engine has a timing chain; that is, it has no timing belt. The rest of the vehicles marked in grey have a timing belt/cam belt.

Toyota iQ I / Scion iQ I – First Generation (AJ10) (2008)


Diesel Motors

  • 1ND-TV 1.4 D-4D (NUJ10_) 90 CV (2009 – 2015)

Petrol Engines

  • 1KR-FE 1.0 (KGJ10_) 68 CV (2009 – 2015)
  • 1NR-FE 1.33 (NGJ10_) 94 CV (2009 – 2015)
  • 1NR-FE 1.33 (NGJ10_) 98 CV (2009 – 2015)

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