Coolant Temperature Sensor for Toyota Landcruiser HDJ100 4.2L 1HD-FTE 2000-07
Direct fit replacement for HDJ100R Landcruiser
BRAND NEW OEM Quality COOLANT TEMPERATURE SENSOR TO SUIT
- TOYOTA LANDCRUISER HDJ100R 4.2L 1HD-FTE SOHC 24v Turbo Diesel [2000-2007]
- TOYOTA LANDCRUISER PRADO KZJ120R 3.0L 1KZ-TE SOHC 8v Turbo Diesel [2003-2006]
TOYOTA OEM# 89424-60010, 89424-28020
The engine coolant temperature sensor (CTS) is used to measure the temperature of the engine coolant of an engine. The readings from this sensor are then fed back to the engine control unit (ECU), which uses this data to adjust the fuel injection and ignition timing.
Common signs of a bad or failing coolant temperature sensor include poor fuel economy, black smoke coming from the engine, engine overheating, and the Check Engine Light turning on.
ABOUT YOUR VEHICLE'S ENGINE COOLANT TEMPERATURE SENSOR
What does a Coolant Temperature Sensor do?
The Coolant Temperature sensor changes resistance with the temperature. The Coolant Temperature sensor is critical to many PCM functions such as fuel injection, ignition timing, variable valve timing, and transmission shifting.
Where are these sensors located?
The Coolant Temperature sensor is located in a coolant passage in the engine usually near the thermostat.
Will a malfunctioning Coolant Temp Sensor illuminate the check engine light or affect vehicle operation?
Yes, a failing sensor can illuminate the MIL, and cause the engine to run rich or lean. The transmission may shift incorrectly or not lock up the torque converter.
What are the common causes of failure?
Typically these sensors fail due to corrosion within the coolant system. They may also leak coolant through the wiring connector.
How to determine if these sensors are malfunctioning?
A DTC will be set if an abnormal reading occurs, P0116 for sensor performance, P0117 low input, or P0118 for high input. The coolant temperature sensor temperature reading should closely match the air charge/manifold temperature reading on a scan tool if the engine has not been run for over an hour. The sensor circuit can be checked for proper voltage using a voltmeter.
Why Buy from Us / What makes Our Coolant Temp Sensors the best?
- As an OEM manufacturer, Standard/ Our Supplier has complete control of the manufacturing process from componentry to finished product
- Temperature sensor design specifies tight tolerance thermistor response values to assure the accuracy of the temperature measurement and proper part operation
- All Coolant Temperature sensors are 100% factory-tested to ensure trouble-free performance.
How do I test a coolant temperature sensor?
The most common test is to measure the sensor resistance with a multimeter at a known coolant temperature and compare against the manufacturer resistance curve. A cold engine (20 degrees C) typically reads 2,000 to 3,000 ohms and drops to around 200 to 300 ohms at operating temperature (90 degrees C). An OBD2 scanner showing a fixed temperature reading that does not change as the engine warms up is also a strong indicator of sensor failure.
Can a faulty coolant temperature sensor cause my engine to overheat?
Indirectly yes. If the sensor reports a lower temperature than actual, the ECU may not activate the cooling fan at the correct time, allowing the engine to overheat. It can also suppress the dashboard warning light, meaning you may not be alerted until the engine is already at a dangerously high temperature. Replace a suspected faulty sensor promptly.
Do I need to drain the coolant to replace the sensor?
Not always - many coolant temperature sensors can be replaced quickly with minimal coolant loss if you work fast and have a replacement ready to thread in immediately. However on some vehicles the sensor location requires partial coolant drainage. Check the sensor position on your specific engine before starting. Always use fresh coolant when topping up after replacement.
What are the symptoms of a faulty coolant temperature sensor?
Symptoms include poor fuel economy, black smoke, engine overheating warning, incorrect temperature gauge reading, hard starting when cold, and rough idle. Fault codes P0115 to P0119 are commonly associated with coolant temperature sensor faults.
Is it safe to drive with a bad coolant temperature sensor?
A faulty coolant temperature sensor can cause the ECU to run rich fuel mixtures and prevent the cooling fan from operating correctly, risking engine overheating. Replace it promptly - it is a low-cost part that can prevent expensive engine damage.
How do I know if my coolant temperature sensor or my thermostat is faulty?
A faulty thermostat typically causes the engine to overheat or never reach operating temperature. A faulty coolant temp sensor causes incorrect gauge readings and running issues but the coolant itself may be at the correct temperature. An OBD2 scanner showing live coolant temp data helps distinguish between the two.
Are there two coolant temperature sensors on my vehicle?
Many vehicles have two sensors - one for the ECU (engine management) and one for the dashboard temperature gauge. They look similar but are not interchangeable. Check your vehicle's service manual or contact us with your vehicle details to confirm which sensor you need.
| Identification | |
|---|---|
| SKU | AT337_CAT048-1 |
| Brand | Aftermarket OEM Replacement |
| Part Numbers | |
| Part Number | 89424-60010 |
| Reference OEM Number | 89424-60010 |
| Other OEM Numbers | 89424-28020, 89424-60010, 8942428020, 8942460010 |
| Related Part Numbers | CAT048, AT337, ATS-027, ATS1040 |
| Trade Part Numbers | NTY: ECT-TY-005, VEMO: V70-72-0119 |
| Product Specifics | |
| Product Type | SENSOR |
| Sensor Type | ENGINE COOLANT TEMPERATURE SENSOR |
| Features | Direct Fit |
| Manufacturer Warranty | 1 Year |
| Thread Size | M16x1.5 mm |
| Spanner Size | 22 mm |
| Number of pins | 2 -pin connector |
| Connector Shape | oval |
| Housing Colour | Grey |
| Other Details | |
| Note | Always verify fitment using your vehicle's OEM part number. |
| Unit Of Measure | ea |
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