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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 747 (Engine Controls - Pinpoint Tests - 6.0L Diesel (99P E-Series & 99P F450/550)) >> Pinpoint Test G: Intake Air Temperature 2 (IAT2) Sensor >> Introduction >> Fault Detection/Management

Fault Detection/Management

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The PCM continuously monitors the IAT2 sensor. If the PCM detects the signal voltage is higher or lower than expected, a DTC will be set.

CAUTION: The PCM harness connectors must be properly seated and the connector latch properly attached to eliminate possible driveability concerns or a no start condition. Installing the PCM connectors on an angle may cause an improper connection, misdiagnosis and damaged components. Install the connector until the lever pivots and seats itself. Apply light pressure to get the connector into position on the PCM and then fully seat the connector.
NOTE: Visually inspect the harness connectors for corrosion, damage, proper mating and correct pin tension.
NOTE: When the PCM is disconnected additional DTCs will be set. Clear all DTCs after restoring the vehicle.
Fig 1: Identifying PCM Engine Harness Connector Terminals
G03526532Courtesy of FORD MOTOR CO.
Fig 2: Identifying IAT2 Sensor Connector Terminals
G03526533Courtesy of FORD MOTOR CO.
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