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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 1.4L (LUJ, LUV) - DTC P0010 To P0246 >> Diagnostic Information and Procedures >> DTC P00C7: Intake Air Pressure Measurement System (LUV) >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify that DTCs P0106, P0107, P0236, P0237, P0238, P2227, P2228, P2229 or P2230, are not set.
    • If none of the DTCs is set 
  3. Verify none of the following conditions exist:
    • The air intake duct system for loose connecting clamps, cracks or other damage
    • A damaged Q38 Throttle Body blade or shaft
    • Splits, kinks or improper connections at the vacuum hoses
    • Faulty positive crankcase ventilation system operation
    • Carbon deposits on the throttle blade.
    • Vacuum leaks at the intake manifold, Q38 Throttle Body, Q17 Fuel Injector O-rings and B111 Intake Manifold Pressure and Air Temperature Sensor.
    • If a condition exist 

      Repair as necessary.

  4. Ignition ON.
  5. Verify the following scan tool parameters are within range of the Altitude vs. Barometric Pressure table. Refer to: Altitude Versus Barometric Pressure table.
    • BARO Sensor
    • MAP Sensor
    • Turbocharger Boost Sensor
    • If a sensor parameter is not within range 

      Refer to the appropriate diagnostic below for further diagnosis.

    • Barometric Pressure (BARO) Sensor. Refer to: DTC P2227-P2230
    • Manifold Absolute Pressure (MAP) Sensor. Refer to: DTC P0106 
    • Turbocharger Boost Pressure Sensor. Refer to: DTC P0236 
    • If all sensor parameters are within range 
  6. All OK
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