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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 2.4L - DTC P0010 To DTC P0114 (LUK)) >> Diagnostic Information and Procedures >> DTC P0010, P0013, or P2088, P2089, P2090, P2091: Camshaft Position Actuator Solenoid >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
    NOTE:

    If a crankshaft or camshaft position sensor DTC is set, the Camshaft Position Actuator output control will not function.

  1. Ignition On.
  2. Verify DTC P0335, P0336, P0340, or P0341 is not set.
    • If none of the DTCs are set 
  3. Observe the appropriate control circuit status parameters listed below with a scan tool:
    • Exhaust/Intake Camshaft Position Actuator Solenoid Valve Control Circuit Open test status
    • Exhaust/Intake Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage test status
    • Exhaust/Intake Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage test status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  4. Engine idling at normal operating temperature.
  5. Verify the scan tool parameters listed below do not display Malfunction when commanding the appropriate scan tool Camshaft Position Actuator from 0-20° and back to 0° with a scan tool:
    • Camshaft Position Actuator Solenoid Valve Control Circuit Open test status
    • Camshaft Position Actuator Solenoid Valve Control Circuit High Voltage test status
    • Camshaft Position Actuator Solenoid Valve Control Circuit Low Voltage test status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing

    • If Malfunction is not displayed 
  6. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  7. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  8. All OK.