Air Temperature Sensor ( Ambient / Intake ): Testing and Inspection
DIGIFANT IIAir Flow Sensor/Intake Air Temperature Sensor - Checking
Wiring And Component Checking
The following tests are to verify proper function of the air flow sensor, related wiring and connectors.
- Switch ignition OFF.
- Disconnect multi-pin connector from Digifant E.C.U.
- Connect US 1119 multimeter to terminals of Digifant E.C.U. connector listed in Column 'A." Set meter to measure resistance.
Readings must correspond to chart.
If readings do not meet specifications:
- Disconnect connector at air flow sensor.
- Connect multimeter to terminals of air flow sensor listed in column "B."
Readings must correspond to chart.
If readings meet specifications.
- Check wiring to Digifant E.C.U.
If readings do not meet specifications.
- Replace air flow sensor and re-test.