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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0685 LGX To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P3409, P3411, P3412, P3433, P3435, or P3436: Cylinder 2/5 Deactivation Solenoid (LGX) >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the appropriate Q83 Valve Lifter Oil Solenoid Valve.
  2. Test for 11-30 Ω between cylinder deactivation oil solenoid valve terminals.
    • If not between 11-30 Ω for each solenoid valve 

      Replace the Q83 Valve Lifter Oil Solenoid Valve.

    • If between 11-30 Ω for each solenoid valve 
  3. Test for infinite resistance between each valve lifter oil solenoid circuit terminal and the solenoid housing.
    • If less than infinite resistance 

      Replace the Q83 Valve Lifter Oil Solenoid Valve.

    • If infinite resistance 
  4. All OK.