GM Service Manual Online
For 1990-2009 cars only

Ambient Air Temperature Sensor Replacement Sedan

Removal Procedure

  1. Open the hood.
  2. Remove the left headlamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement in Lighting Systems.

  3. Object Number: 881694  Size: SH
  4. Reach behind the grille. Release the ambient air temperature sensor from the headlamp bracket.
  5. Disconnect the electrical connector from the ambient air temperature sensor.
  6. Remove the sensor from the vehicle.

Installation Procedure


    Object Number: 881694  Size: SH
  1. Connect the electrical connector to the ambient air temperature sensor.
  2. Push the ambient air temperature sensor through the hole in the headlamp bracket until the sensor is seated.
  3. Install the left headlamp. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement in Lighting Systems.
  4. Close the hood.

Ambient Air Temperature Sensor Replacement Coupe

Removal Procedure

  1. Open the hood.

  2. Object Number: 881691  Size: SH
  3. Release the ambient air temperature sensor from the headlamp bracket.
  4. Disconnect the electrical connector from the ambient air temperature sensor.
  5. Remove the sensor from the vehicle.

Installation Procedure


    Object Number: 881691  Size: SH
  1. Connect the electrical connector to the ambient air temperature sensor.
  2. Push the ambient air temperature sensor through the hole in the headlamp bracket until the sensor is seated.
  3. Close the hood.