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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Engine Controls And Fuel - 3.6L (LGX) - DTC P0446 To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P25CA-P25CF: Intake Camshaft Position Actuator Park Lock Solenoid Valve Control >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition/Vehicle » Off
  2. Disconnect the appropriate electrical connector:Q84 Camshaft Position Actuator Park Lock Solenoid Valve
  3. Test for 11 to 30 Ω between the test points:Control terminal 2/B & Ignition terminal 1/A
    • If not between 11 to 30 Ω 

      Replace the component:Q84 Camshaft Position Actuator Park Lock Solenoid Valve

    • If between 11 to 30 Ω 
  4. Test for infinite resistance between the test points:Each terminal of the component & The component's housing
    • If less than infinite resistance 

      Replace the component:Q84 Camshaft Position Actuator Park Lock Solenoid Valve

    • If infinite resistance 
  5. All OK.

Dynamic Test

  1. Ignition/Vehicle » Off
  2. Disconnect the appropriate electrical connector:Q84 Camshaft Position Actuator Park Lock Solenoid Valve
  3. Connect a 3 A fused jumper wire between the test points:Ignition terminal 1/A&12 V
  4. CAUTION:

    Complete the testing as quickly as possible in order to prevent overheating and damaging the component.

  5. Momentarily connect a jumper wire between the test points:Control terminal 2/B & Ground

    Verify the component turns On and Off when connecting and disconnecting the jumper wire:Q84 Camshaft Position Actuator Park Lock Solenoid Valve

    • If the component does not turn On and Off 

      Replace the component:Q84 Camshaft Position Actuator Park Lock Solenoid Valve

    • If the component turns On and Off 
  6. All OK.