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Home >> Cadillac >> 2006 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.4L - DTC P0010 To P0175 >> DTC P0112 or P0113 >> Circuit/System Verification
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Circuit/System Verification

IMPORTANT:
  • Perform this verification procedure only when the ignition has been OFF for 8 hours or more.
  • The IAT will begin to warm up as soon as the ignition key is turned ON
  1. Ignition ON, observe the scan tool IAT Sensor, IAT Sensor 2, and ECT Sensor parameters. The readings should be within 15°C (27°F) of each other and also the ambient temperature.
  2. Engine running, observe the DTC information with a scan tool. DTCs P0112 or P0113 should not set.
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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