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Home >> Cadillac >> 2007 >> XLR V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P0010 To DTC P0154 >> DTC P0112 or P0113 >> Circuit/System Verification

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

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.