2012 Jeep Wrangler JK Factory Service Manual 14 - Fuel System

SENSOR, Air Temperature, Intake

OPERATION

OPERATION

The combination, dual function Intake Manifold Air Temperature Sensor/MAP Sensor is installed into the top of the intake manifold with the sensor element extending into the air stream.

The IAT portion of the sensor provides an input voltage to the Powertrain Control Module (PCM) indicating intake manifold air temperature. The MAP portion of the sensor provides an input voltage to the PCM indicating turbocharger boost pressure.

REMOVAL

REMOVAL

  1. Disconnect the negative battery cable.

    2.  
  2. Clean area around sensor.

    3.  
  3. Disconnect IAT/MAP sensor harness connector (3).

    4.  
  4. Remove bolt (2) and IAT/MAP sensor (1).

    5.  

INSTALLATION

INSTALLATION

  1. Inspect and lubricate the sensor O-ring.

    2.  
  2. Clean IAT/MAP sensor sealing area.

    3.  
  3. Install IAT/MAP sensor (1) and securely tighten bolt (2).

    4.  
  4. Connect the IAT/MAP sensor harness connector (3).

    5.  
  5. Connect the negative battery cable.

    6.