How to remove the Coolant Temperature Sensor/Switch on 2009 Toyota Prius?

The first step to remove the Coolant Temperature Sensor/Switch for 1NZ-FXE engine control system requires both safety handling of high voltage circuits to prevent electric shock and leakage. First remove the radiator support opening cover then proceed to take out the engine under cover LH and RH. The first step should be to drain the engine coolant while also removing the HV coolant. You should disconnect the battery cable from the negative terminal while you wait for 90 seconds to avoid Air Bag and seat belt pretensioner activation. Proceed by disconnecting the inverter with converter from its system position. Finish the sensor procedure by using a 19 mm deep socket wrench to both remove the sensor and gasket after sensor connector disconnection.

OEM 2009 Toyota Prius Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2009 Toyota Prius Coolant Temperature Sensor
Part Number: 89422-33030
$63.39 MSRP: $88.98
You Save: $25.59 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Water Temperature; Engine Coolant Temp; Cooling Fan Temp Switch; Temperature Sensor; Sensor, Water Temperature (For E.F.I.)
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.4 x 1.2 x 0.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89422-33030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Prius Submodels:
- 2020 Edition, Base, Five, Four, Four Touring, L Eco, LE, Limited, One, Persona Series, Three, Three Touring, Touring, Two, Two Eco, XLE | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)

2009 Toyota Prius Coolant Temperature Sensor

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2009 Toyota Prius Parts Questions & Experts Answers

Q: How to remove the Coolant Temperature Sensor/Switch on 2009 Toyota Prius?
A: The first step to remove the Coolant Temperature Sensor/Switch for 1NZ-FXE engine control system requires both safety handling of high voltage circuits to prevent electric shock and leakage. First remove the radiator support opening cover then proceed to take out the engine under cover LH and RH. The first step should be to drain the engine coolant while also removing the HV coolant. You should disconnect the battery cable from the negative terminal while you wait for 90 seconds to avoid Air Bag and seat belt pretensioner activation. Proceed by disconnecting the inverter with converter from its system position. Finish the sensor procedure by using a 19 mm deep socket wrench to both remove the sensor and gasket after sensor connector disconnection.

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Alternate Year Models

2008 Toyota Prius Coolant Temperature Sensor 2010 Toyota Prius Coolant Temperature Sensor