FixVault

IAT Sensor Resistance

Turn ignition off. Disconnect electrical connector from VAF sensor. See COMPONENT LOCATIONS  under INTRODUCTION. Measure resistance between terminals THA and E2. See Figure and Figure. Replace sensor if resistance is not as specified. See INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE  table.

INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE

Ambient Temp. °F (°C) Ohms
-4 (-20) 10,000-20,000
32 (0) 4000-7000
68 (20) 2000-3000
104 (40) 900-1300
140 (60) 400-700
Fig 1: Measuring IAT Sensor Resistance At VAF Sensor
G93F81112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002