Parts for your 2014 Toyota Land cruiser-Temperature sensors

2014 Toyota Land Cruiser temperature sensors: what they do and how to look after them

Based on Toyota’s own technical literature—the 2014 Land Cruiser 200 Series Repair Manual (URJ202/VDJ200), the Electrical Wiring Diagram (EWD), and Toyota service information (TIS)—temperature sensors are absolutely fitted and relevant on the 2014 Toyota Land Cruiser. These documents identify multiple sensors, including the engine coolant temperature (ECT) sensor, intake air temperature (IAT) sensor, transmission fluid temperature sensor, ambient air temperature sensors for the HVAC, and others. So yes, temperaturesensors are very much used on this model.

The 2014 Toyota Land Cruiser leans on a small army of temperature sensors to keep things sweet under the bonnet and in the cabin. The ECT sensor tells the engine computer how warm the engine is, so it can sort fuelling, ignition timing, cold starts and when to kick the radiator fans in. The transmission’s own temp sensor helps manage shift strategy and protect the gearbox when towing or crawling off-road. HVAC sensors look after cabin comfort, while the IAT sensor fine-tunes air–fuel mix for efficiency. On both petrol (URJ202, 1UR‑FE) and diesel (VDJ200, 1VD‑FTV) variants, these sensors are fundamental to performance, economy and longevity.

They’re not a scheduled “replace at X km” item, instead, they’re replaced when faulty. That said, a bit of attention during servicing pays off. Common red flags include hard cold starts, high idle that won’t settle, fans running when they shouldn’t, poor fuel economy, a lazy temp gauge, or a check engine light with codes like P0115–P0119. If any of that pops up, a quick scan-tool check of live data against actual temperatures is the go—compare the ECT reading to a cold-soak ambient reading or an infrared thermometer at the thermostat housing.

• During cooling system services (e.g., Toyota Super Long Life Coolant changes), inspect the ECT sensor and connector for corrosion, oil intrusion or brittle wiring.
• If removing a sensor, fit a new O-ring or washer as specified, don’t use thread tape unless the manual explicitly allows it.
• Only top up with the correct Toyota coolant, bleed air properly, and verify the radiator fans cycle as expected once warm.
• For off-roaders and towers, keep an eye on transmission temps via scan data, abnormal readings can indicate a sensor or wiring issue rather than a true overheat.

When a temperature sensor does fail, replacement is usually straightforward with basic tools. Disconnect the battery, let the engine cool fully, capture any spilled coolant, swap the sensor, and refill/bleed. A quick road test with live data confirms the fix. Done right, it helps the 2014 Land Cruiser run cooler, cleaner and with fewer surprises on long Kiwi and Aussie kilometres.

Popular questions

Where is the engine coolant temperature sensor on a 2014 Land Cruiser?

On the 200 Series, the ECT sensor is threaded into the engine’s coolant passage near the thermostat housing on the front of the engine. Access varies slightly between the 1UR‑FE petrol and 1VD‑FTV diesel, but it’s typically reachable from the top with the engine covers off. A service manual view makes spotting the connector and routing the loom much easier.

Always work on a stone-cold engine, have rags ready for minor coolant loss, and refit with the correct seal. After replacement, bleed the cooling system and confirm stable temperature readings with a scan tool.

What are the signs a temperature sensor is failing on a 200 Series?

Common symptoms include hard cold starts, rough warm-up, poor fuel economy, cooling fans running excessively, a temp gauge that seems off, or a check engine light with ECT-related codes (P0115–P0119). Transmission shift quality can also feel odd if the ATF temp sensor is unhappy.

A quick test is to compare scan-tool readings to actual ambient temperature on a cold start. If the numbers are miles apart, the sensor or its wiring may be the culprit.

Do temperature sensors need routine replacement, and what does it cost in AU/NZ?

They aren’t a routine service item—replace only if faulty. Genuine-style ECT sensors are generally affordable, and labour is usually under an hour if access is clear. Pricing varies by engine (petrol vs diesel) and workshop rates across Australia and New Zealand.

It’s smart to pair sensor replacement with a scheduled coolant service to minimise fluid loss and ensure a proper bleed.