Parts for your 2003 Toyota Highlander-Temperature sensors

2003 Toyota Highlander temperature-sensors: what they do and how to look after them

Temperature-sensors are absolutely used on the 2003 Toyota Highlander. Toyota’s service literature identifies multiple sensors that feed the engine control module and HVAC systems, including the Engine Coolant Temperature (ECT) sensor, Intake Air Temperature (IAT) sensor within the MAF assembly, automatic transaxle fluid temperature sensor, ambient air temperature sensor, and A/C evaporator temperature sensor (Toyota TIS Repair Manual and Electrical Wiring Diagram for 2003 Highlander