Here's a breakdown of which Innova models have a timing belt and which ones have a timing chain:
Models with Timing Belt:
1. Toyota Innova with 2.0L Gasoline Engine (1TR-FE)
Models with Timing Chain:
1. Toyota Innova with 2.5L Diesel Engine (2KD-FTV)
2. Toyota Innova with 2.7L Gasoline Engine (2TR-FE)
It's important to check the specific engine variant of your Toyota Innova to determine whether it has a timing belt or a timing chain. This information is usually provided in the owner's manual or by the vehicle manufacturer.