Parts for your 2011 Toyota Vitz|yaris-Map sensor

2011 Toyota Vitz/Yaris MAP sensor — is it fitted and what does it do?

Yes, the 2011 Toyota Vitz/Yaris is fitted with a Manifold Absolute Pressure (MAP) sensor. Toyota’s service literature for the Vitz/Yaris (model codes KSP130/NSP130/NCP131) lists the MAP sensor as an ECM input and includes diagnostics for P0106, P0107 and P0108. The Toyota Electronic Parts Catalog for these models also shows a “Sensor, Manifold Absolute Pressure” for 1KR‑FE, 1NR‑FE and 1NZ‑FE engines. Denso/Toyota engine control descriptions for these engines note use of MAP alongside other airflow and temperature signals to calculate load and support OBD monitoring.

The MAP sensor on a 2011 Vitz/Yaris keeps the engine management sweet by reporting real‑time intake manifold pressure to the ECU. Paired with intake air temperature and throttle position, it helps the ECU deliver the right fuel and spark, whether it’s a cold start in Dunedin or a warm run up the Hume. It’s also a key player for diagnostics, letting the ECU verify EGR and EVAP operation and pick up vacuum leaks before they turn into rough running and high fuel use.

As part of regular servicing, the MAP sensor deserves a quick once‑over. It’s typically mounted on or near the intake manifold, sealed with an O‑ring. Over time, oil mist and carbon can coat the sensing port and skew readings, leading to lazy throttle response, higher petrol consumption, or the odd check‑engine light. A careful clean with an electronics‑safe sensor cleaner can restore accuracy, avoid harsh solvents and don’t poke anything into the port. If the sensor body is cracked, the connector pins are green with corrosion, or the O‑ring is flattened, replacement is the go.

When replacing, use a quality part that matches the Toyota spec, seat the new O‑ring lightly lubricated, and torque the screws to factory values (snug, not gorilla tight). After refit, clear any stored codes and take a short drive to let the trims settle. Good habits include checking the harness for chafing, confirming vacuum hoses under the bonnet are sound, and making sure the air filter isn’t clogged. Many drivers find a clean, healthy MAP sensor gives smoother idle, better off‑the‑mark pull, and a small but welcome improvement in kilometres per litre.

• Common signs it’s unhappy: hard starts, uneven idle, flat spots, higher fuel use, and DTCs P0106–P0108.
• Service tip: inspect every 20,000–30,000 km, clean or replace as needed.

Popular questions about 2011 Toyota Vitz/Yaris MAP sensor

Where is the MAP sensor on a 2011 Vitz/Yaris?

On most 2011 Vitz/Yaris engines, it’s bolted to the intake manifold near the throttle body, with a 3‑pin connector and an O‑ring seal. It’s easy to spot with the bonnet up, sitting on the manifold rather than in the airbox like the MAF.

What symptoms point to a faulty MAP sensor on this model?

Drivers often notice a rough idle, sluggish take‑off, pinging under load, higher fuel use, or a check‑engine lamp with P0106, P0107 or P0108. Vacuum leaks or a gummed‑up port can mimic a bad sensor, so a quick smoke test and live‑data check are worth doing.

Can the MAP sensor be cleaned, or should it be replaced?

If it’s just oily residue, a careful clean with electronics‑safe sensor cleaner usually brings it back. If there’s physical damage, water ingress, or flaky voltage on live data, replacement is the reliable fix. Always refit with a fresh O‑ring to keep unmetered air out.