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Air Temperature Sensor

NOTE: Testing procedure not available for Porsche or Renault.

Turn ignition switch off. Disconnect electrical connector at air flow meter and connect ohmmeter between terminals 6 and 27. Readings should be as follows. If not, replace temperature sensor and air flow meter as an assembly.

Temperature/Resistance Relationship

Temperature Resistance (Ohms)
14°F(-10°C) 7, 000-12, 000
68°F (20°C) 2, 000-3, 000
122°F (50°C) (1)760-970
(1) Fiat 250-400 Ohms.