dodge Workshop Repair Guides

Dodge Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3045 > < Diagram Information and Instructions|Page 3042
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Intake Air Temperature Sensor: Component Tests and General Diagnostics

Sensor Inspection

1. Disconnect the Volume Air Flow Sensor connectors.

MPI Relay Circuitry

2. Connect an ohmmeter to terminals # 5 and # 6 of the sensor connector.

Temperature [°C (°F)]

Resistance (k ohms)

0 (32)

6.0

20 (68)

2.7

80 (176)

0.4

Heating IAT Sensor

3. While heating the temperature sensor with a hair dryer, measure the resistance.

Temperature [°C (°F)]

Resistance (k ohms)

Component Tests and General Diagnostics|Page 3045 > < Diagram Information and Instructions|Page 3042