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 22 on BMW, 6 and 27 on all others. 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 | ||
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