Parts for your 2019 Suzuki Splash-Knock sensor

2019 Suzuki Splash knock sensor — is it even a thing?

Short answer: a knock sensor isn’t relevant to a “2019 Suzuki Splash” because that model wasn’t in production in 2019. Suzuki built the Splash for Europe from 2008 to 2014, and in India (as the Maruti Suzuki Ritz) until 2017. That’s confirmed by Suzuki’s European Electronic Parts Catalogue for Splash/Agila B, Suzuki K‑series engine service manuals (K10B/K12B), and the Maruti Suzuki Ritz workshop documentation. So if someone’s chasing a 2019 Splash knock sensor in Australia or New Zealand, they’re either looking at an earlier Splash that was first registered much later, or a listing that’s simply mislabelled.

Why the knock sensor angle still pops up: different Splash engines handled knock control differently. The 1.2‑litre K12B platform is documented with a block‑mounted knock sensor in Suzuki service literature and EPC listings. Some 1.0‑litre K10B variants, however, were built for certain markets without a knock sensor and rely on conservative ignition mapping instead. That’s why parts catalogues and forums sometimes cross their wires on this topic.

So, for a “2019 Suzuki Splash,” the knock sensor isn’t used purely because that model year doesn’t exist for Splash. If someone actually owns a Splash that’s been complied or registered in 2019 (common with late imports), the presence of a knock sensor comes down to the engine code and market calibration of the car, not the plate year.

• Production timing: Splash ended 2014 in Europe, Ritz ended 2017 in India — no 2019 model year.
• Engine differences: K12B petrol is catalogued with a knock sensor in factory docs, some K10B market variants are not.
• When not fitted: ECUs use conservative timing maps and fuel/air feedback to avoid detonation without needing a sensor, keeping costs down on entry‑level trims.

Technical sources behind the call: Suzuki European EPC for Splash/Agila B, Suzuki K‑series engine service manuals (K10B/K12B) detailing sensor layouts, Maruti Suzuki Ritz (Splash) workshop material outlining regional engine equipment, and Suzuki model‑cycle press information showing the end of production well before 2019.

• FAQ 1: Does a Suzuki Splash have a knock sensor?

Many 1.2‑litre K12B Splashes do — it’s shown in Suzuki EPC and service manuals as a block‑mounted sensor. Some 1.0‑litre K10B versions in certain markets were built without one. Best bet is to check the VIN‑specific parts listing or physically sight the sensor on the block.

• FAQ 2: Where would the knock sensor be on a Splash if fitted?

On K12B engines, it’s typically bolted to the engine block under the intake side, around the middle cylinders, with a single two‑pin connector. Access is usually from the top with the intake plumbing out of the way. Always follow the factory torque spec and procedure from the service manual.

• FAQ 3: Why would some Splash engines not use a knock sensor?

Cost and calibration. Smaller, lower‑output variants can run conservative ignition timing and fuel strategies that leave a safe margin to avoid knock on the rated octane, so a dedicated knock sensor isn’t strictly necessary in those calibrations.