Parts for your 2016 Suzuki Splash-Map sensor

2016 Suzuki Splash MAP sensor: what it does, where it lives, and how to look after it

Technical sources confirm the 2016 Suzuki Splash uses a MAP (manifold absolute pressure) sensor. Suzuki’s engine management documentation for the K10B/K12B petrol engines lists a MAP sensor as part of the intake system, and the D13A diesel uses a boost pressure/MAP sensor. This is supported by professional databases such as Bosch ESI[tronic]/ETK and Autodata/HaynesPro, and by Suzuki’s Electronic Parts Catalogue which lists a “Sensor, MAP/Boost” for Splash/Ritz variants (common Suzuki part numbers seen in catalogues include 18590-58J00 and related supersessions, with diesel variants using a dedicated boost/MAP sensor, exact part varies by VIN and market).

On the 2016 Splash, the MAP sensor is the ECU’s window into what’s happening in the intake manifold. It measures air pressure so the ECU can calculate engine load, trim fuelling, and set ignition timing. In the diesel, it doubles as the boost pressure sensor, helping manage turbo boost and EGR. It’s a small, usually two- or three-bolt unit with an electrical connector, mounted on or near the inlet manifold, sealed by an O-ring.

When a MAP sensor drifts or fails, the Splash can feel doughy off the line, use more fuel, hesitate on light throttle, or throw the odd stall at idle. The check engine light may come on with codes like P0105–P0108. Because the sensor reads pressure, oil mist and carbon can build up on the sensing port over time—especially if there’s a grubby PCV system or on high-kilometre diesels.

As part of regular servicing, it’s smart to:

• Visually check the MAP sensor and its connector under the bonnet for cracked wiring, loose plugs, or torn O-rings.
• If drivability is off, remove the sensor and gently clean the tip with MAP-safe electronics cleaner only—never poke the port or use harsh solvents.
• Scan for fault codes after any air-intake work. Clear codes and road test.

Replacement is straightforward: disconnect the battery, unplug the connector, remove the retaining screws, lift the sensor, and swap the O-ring if it’s flattened or brittle. Refit, nip the screws to factory spec (snug, not gorilla tight), reconnect, and clear any stored codes. For petrol Splash owners, replacing a tired MAP sensor can sharpen throttle response and restore fuel economy. Diesel owners will notice steadier boost control and fewer limp-home dramas when the boost/MAP sensor is clean and healthy.

Given the relatively low cost and big impact on how smoothly the Splash runs, treating the MAP sensor as a check-and-clean item every 20–30,000 kilometres—sooner if most driving is short trips—keeps the little Suzuki feeling sprightly and frugal.

• Where is the MAP sensor on a 2016 Suzuki Splash?
  It’s mounted on the intake manifold area. On the K10B/K12B petrol engines, look at the top or side of the manifold for a small rectangular sensor with a multi-pin plug. On the D13A diesel, the boost/MAP sensor is typically on the intake tract downstream of the intercooler, reading manifold pressure.
• What are common symptoms of a bad MAP sensor on a Splash?
  Rough idle, hesitation, flat spots, higher fuel use, hard starts when warm, and a check engine light. Fault codes often include P0105–P0108. On diesels, excessive smoke or limp mode under load can also point to a contaminated boost/MAP sensor.
• Does the Splash use a MAF instead of a MAP?
  No—technical references for the 2016 Splash show a MAP-based load system on petrol engines and a boost/MAP sensor on the diesel. There isn’t a traditional hot-wire MAF sensor in these setups.