Toyota Yaris 1.2 CVT 88 hp — Stage 1 file (+5 hp)

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Chip tuning for Toyota Yaris 1.2 CVT 88 hp ECU

Toyota Yaris (2020) 1.2 CVT 88 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 88 to 93 hp (+5 hp, +6%) and torque from 104 to 111 Nm (+7 Nm). In the CHIPOK database: 2 configurations. A 2020 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

Toyota is Japan's largest carmaker, founded in 1937 in Toyota City. Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform). Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series.

The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. Toyota's factory tuning runs close to the limit, leaving only modest headroom for Stage 1. Low-output Toyotas are naturally aspirated city cars, where Stage 1 is limited by the high compression ratio.

Frequently asked questions

What power gain do you get after chip tuning the Toyota Yaris 1.2 CVT 88 hp?

Stage 1 for the Toyota Yaris 1.2 CVT 88 hp adds +5 hp — power increases from 88 to 93 hp (+6%). Torque rises from 104 to 111 Nm (+7 Nm).

What does a Stage 1 remap of the Toyota Yaris 1.2 CVT 88 hp include?

Stage 1 is a software optimization of the factory ECU firmware of the Toyota Yaris with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +5 hp with no hardware changes.

Is Stage 1 worth doing on the base Toyota Yaris?

Yes, Stage 1 on the low-output Toyota Yaris 1.2 CVT 88 hp delivers a moderate but genuine gain — without overstressing the hardware. On base naturally aspirated engines the effect is felt mainly as improved throttle response and a stronger mid-range.

What is Stage 2 for the Toyota Yaris 1.2 CVT 88 hp?

Stage 2 for the Toyota Yaris 1.2 CVT 88 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Does the factory warranty of the Toyota Yaris remain valid after Stage 1?

After remapping the Toyota Yaris, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Toyota Yaris?

Reading and writing via OBD takes 25-30 minutes on the Toyota Yaris. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Toyota Yaris?

Before Stage 1 the original of the Toyota Yaris 1.2 CVT 88 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Toyota Yaris 1.2 CVT 88 hp cost?

The remap price for the Toyota Yaris 1.2 CVT 88 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno