Component Testing
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Turbocharger Boost/Intake Air Temperature Sensor (IAT Sensor 3)
- Ignition OFF, disconnect the harness connector at the B111B Turbocharger Boost/Intake Air Temperature sensor (IAT Sensor 3).
- Test the IAT sensor 3 by varying the sensor temperature while monitoring the sensor resistance.
- Verify the resistance values are in the range specified in the Temperature Versus Resistance - Intake Air Temperature Sensor (Hitachi Sensor)Temperature Versus Resistance - Intake Air Temperature Sensor (Delco Sensor)
table for Delco Sensors.
- If not within the specified range
Replace the B111B Turbocharger Boost/Intake Air Temperature sensor.
- If within the specified range
- If not within the specified range
- All OK.
NOTE:
A thermometer can be used to monitor the air temperature while testing sensor off the vehicle.