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Home >> Cadillac >> 2007 >> SRX 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.6L - DTC P0010 To DTC P0336 >> DTC P0112 or P0113 >> Circuit/System Verification

Circuit/System Verification

  1. Engine running, observe the scan tool IAT Sensor parameter. The reading should be between -39 to +120°C (-38 to +248°F) depending on the current ambient temperature and the vehicle operating conditions.
    2. 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
  2. Ignition ON, observe the scan tool IAT Sensor and ECT Sensor parameters. The readings should be within 15°C (27°F) of each other and also the ambient temperature.
  3. Engine running, observe the DTC information with a scan tool. DTCs P0112 or P0113 should not set.
  4. 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 Records data.
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