FixVault

Intake Air THERMOSENSOR (Dynamic Chamber)

Disconnect intake air thermosensor connector. Connect ohmmeter to switch terminals. See Fig 1 or Fig 2 . Measure resistance of sensor at various temperatures. See INTAKE AIR THERMOSENSOR RESISTANCE table. Replace sensor as necessary.

INTAKE AIR THERMOSENSOR RESISTANCE

Application Ohms
77°F (25°C) 29,000-36,000
185°F (85°C) 3300-3700
Fig 1: Testing Intake Air Thermosensor (2.6L)
G94C45239Courtesy of MAZDA MOTORS CORP.
Fig 2: Testing Intake Air Thermosensor (3.0L)
G94840Courtesy of MAZDA MOTORS CORP.