Parts for your 2006 Toyota Kluger-Map sensor

2006 Toyota Kluger MAP sensor — what it does and how to look after it

Based on technical references including Toyota’s Electronic Parts Catalogue for ACU25/MCU25 Kluger models (listing a “Sensor, Manifold Absolute Pressure” under PNC 89421), the Toyota repair manual SFI system diagnostics (which covers DTCs P0105–P0108 for the MAP/BARO circuit), and Denso’s application listings for Toyota pressure sensors, the 2006 Toyota Kluger does use a MAP sensor alongside its MAF sensor. It’s fitted on both the 2.4-litre 2AZ‑FE and the 3.3‑litre 3MZ‑FE engines.

The MAP sensor’s job is to read the absolute pressure inside the intake manifold. The engine ECU uses this to understand real engine load, trim fuelling, keep ignition timing in check, and cross‑check the MAF. On the Kluger, it also helps with EGR and evaporative system diagnostics. When the MAP signal is flaky, the ECU can end up over‑ or under‑fueling, which shows up as rough idle, lazy throttle response, a thirstier tank, and the odd stall. Common fault codes are P0105, P0106, P0107 and P0108.

For routine servicing, the MAP sensor doesn’t demand much. A quick visual once‑over is worth it: make sure the 3‑pin connector is snug, the wiring isn’t chafed, and the O‑ring seal isn’t split. If there’s oil mist or carbon on the sensor tip or port, a gentle clean with electronics-safe cleaner is fine—don’t poke the sensing hole with anything sharp. Unlike the MAF, the MAP sits on the manifold and is more likely to suffer if there’s a vacuum leak nearby, so check any small hoses around it for cracks.

Replacement is straightforward: disconnect the battery, unplug the connector, remove the fixing screws/bolt, swap the O‑ring if supplied, refit, and reconnect. No programming is needed. After refitting, a short idle relearn (let it idle with all accessories off until warm) helps the ECU settle. If the check engine light was on, clear any stored codes and road test.

Owners often ask when to replace the MAP. There’s no fixed interval—treat it as “as‑needed”. If diagnostics confirm the MAP is out of range, or if live data shows implausible kPa readings compared with barometric pressure at key‑on, it’s time. Using a quality OEM‑equivalent sensor pays off in stable idle and fuel economy over the long haul.

• Typical symptoms: rough idle, hard starts, sluggish pick‑up, higher fuel use, check engine light.
• Typical diagnostics: DTC P0105–P0108, live data kPa checks, vacuum leak inspection.

FAQs

Where is the MAP sensor on a 2006 Kluger?
On both the 2AZ‑FE and 3MZ‑FE, it’s mounted on the upper intake manifold near the throttle body, secured with small screws/bolt and sealed by an O‑ring. It has a 3‑pin electrical connector.

What fault codes point to a bad MAP sensor on a Kluger?
Look for P0105 (MAP circuit), P0106 (range/performance), P0107 (low input) or P0108 (high input). Vacuum leaks, wiring faults, or a contaminated sensor can also trigger these, so test before replacing.

Is it okay to drive with a dodgy MAP sensor?
The Kluger will usually run, but fuel economy and drivability can go downhill, and prolonged rich running can upset the catalytic converters. Best to diagnose and sort it sooner rather than later.